Caves with a total length of 10000+ meters (6.241 miles, 32810 feet)
Updated by Paul Burger 1/10/2025
Send updates and corrections to Cavemonpaul at hotmail.com
Copyright 2024 NSS Geo2, Paul Burger NSS 26452, FE, CM
Do not ask for cave locations, I will not give them out.
Type: CT=Chalk & Tufa & Laterite , C=Conglomerate & Schist, G=Gypsum, L=Lava, Q=Sandstone & Quartzite, S=Salt, T=Talus, Boulder & Granite, UW=Underwater
TYPE | RANK | CAVE NAME | COUNTRY | STATE | COUNTY | Length (mi) | Length (m) | Depth (ft) | Depth(m) | SOURCE | DATE |
---|---|---|---|---|---|---|---|---|---|---|---|
- | 1 | Mammoth Cave System (N.P.) | USA | Kentucky | Ed./Hart/Bar. | 426.00 | 685581 | 407.2 | 124.1 | 2022-12 | |
UW | 2 | Sistema Ox Bel Ha | Mexico | Quintana Roo | Tulum | 308.70 | 496804 | 188 | 57.3 | CINDAQ annual project report | 2024-02 |
- | 3 | Suiyang Shuanghe Dongqun | China | Guizhou | Suiyang | 259.54 | 417696 | 2992.13 | 912 | www.grottes-et-karsts-de-chine.org | 2024-01 |
UW | 4 | Sistema Sac Actun (Nohoch Nah Chich, Aktun Hu) (Underwater+Dry) | Mexico | Quintana Roo | Tulum | 234.07 | 376700 | 391 | 119.18 | QRSS Long Caves List | |
- | 5 | Jewel Cave (N.M.) | USA | South Dakota | Custer | 220.50 | 354860.35 | 832.1 | 253.62 | Adam Weaver email | 2024-05 |
- | 6 | Wind Cave (N.P.) | USA | South Dakota | Custer | 167.50 | 269565.1 | 646.8 | 197.2 | Marc Ohms e-mail | 2024-11 |
G | 7 | Optymistychna (Optimisticheskaja) | Ukraine | Ternopil | Borshchiv | 164.40 | 264576.15 | 49 | 15 | Marc Ohms FB | |
- | 8 | The Clearwater System (Gua Air Jernih) | Malaysia | Sarawak | Mulu | 155.10 | 255934 | 1165 | 355.1 | Rob Eavis | 2023-03 |
- | 9 | Lechuguilla Cave (C.C.N.P.) | USA | New Mexico | Eddy | 152.11 | 244790 | 1588.6 | 484.2 | Max Wissak email | 2023-01 |
- | 10 | Fisher Ridge Cave System | USA | Kentucky | Hart | 134.20 | 215908.8 | 366.44 | 111.7 | Chip Hopper e-mail | 2024-05 |
- | 11 | Sistema del Alto Tejuelo | Spain | Cantabria | Porracolina | 131.70 | 212020 | 2053.8 | 626 | Dick Hermans email | 2024-11 |
- | 12 | Hoelloch | Switzerland | Schwyz | Muotatal | 130.20 | 209597 | 3389.1 | 1033 | https://www.hoellochforschung.ch/forschung/forschungsobjekte-der-agh | 2022-12 |
- | 13 | Siebenhengste-hohgant Hoehlensystem | Switzerland | Bern | Eriz/Beat./Ha. | 102.22 | 164500 | 4396.3 | 1340 | 2009-07 | |
14 | Schönberg-Höhlensystem | Austria | Totes Gebirge | Stmk/OÖ | 97.52 | 156942 | 3481.0 | 1061 | Lukas Plan email | 2024-06 | |
- | 15 | Sistema del Mortillano | Spain | Cantabria | Porra de Mortillano | 91.96 | 148003 | 3116.8 | 950 | Jose Luis Membrado e-mail | 2024-11 |
G | 16 | Ozerna | Ukraine | Ternopil | Borshchiv | 87.30 | 140490 | 115 | 35 | Vyacheslav Apostolyuk | 2017-09 |
17 | Schwarzmooskogel-Höhlensystem | Austria | Totes Gebirge | Steiermark | 85.59 | 137746 | 3645.0 | 1111 | Lukas Plan email | 2024-06 | |
- | 18 | Bullita Cave System (Burke's Back Yard) | Australia | Northern Territory | Judbarra-Gregory National Park | 80.59 | 129700 | 75.5 | 23 | Mark Sefton e-mail | 2024-03 |
- | 19 | Sistema del Gandara | Spain | Cantabria | Porracolina | 73.94 | 119000 | 2670.6 | 814 | Jose Luis Membrado e-mail | 2024-02 |
20 | Hirlatzhöhle | Austria | Dachstein | Oberösterreich | 73.22 | 117840 | 5118.1 | 1560 | Lukas Plan email | 2024-06 | |
- | 21 | Reseau Felix Trombe / Henne-Morte | France | Haute-Garonne | Coume Ouarnede | 72.86 | 117263 | 3294 | 1001 | Liste des cavites naturelles les plus longues de France | 2019-04 |
- | 22 | Toca da Boa Vista | Brazil | Bahia | Campo Formoso | 70.84 | 114000 | 164 | 50 | As Maiores Cavernas Do Basil | 2020-01 |
- | 23 | Marosakabe System | Madagascar | Mahajaanga | Soalala | 70.23 | 113019 | 164 | 50 | http://grenoble.sibert.fr/album/crei/marosakabe_2018_extrait.pdf | 2022-12 |
- | 24 | Helms Deep | USA | Tennessee | Perry | 70.12 | 112847.2 | 186 | 56.7 | Hal Love email | 2025-01 |
UW | 25 | Entrada Boca Paila | Mexico | Quintana Roo | Tulum | 69.07 | 111152 | 88 | 26.8 | QRSS Long Caves List | 2019-07 |
- | 26 | Systeme de Ojo Guarena | Spain | Burgos | Merindad de Sotoscueva | 68.97 | 111000 | 633.2 | 193 | Jose Luis Membrado e-mail | 2023-06 |
UW | 27 | Sistema K'oox Baal - Sistema Tux Kupaxa (Underwater+Dry) | Mexico | Quintana Roo | Tulum | 64.06 | 103100 | 112.9 | 34.4 | QRSS Long Caves List | |
- | 28 | Sistema Purificacion | Mexico | Tamaulipas | Villa Hidalgo | 62.94 | 101298 | 3133.2 | 955 | Peter Sprouse message | 2023-05 |
- | 29 | Sistema Huautla | Mexico | Oaxaca | Huautla de Ji. | 62.28 | 100233 | 5118.1 | 1560 | Tommy Shifflett & Bill Steele FB | 2017-06 |
G | 30 | Zolushka | Ukraine / Moldova | Briceni/Cernivci | Nowoselyzja | 57.22 | 92080 | 98 | 54 | Igor Teleshman e-mail | |
- | 31 | Sistema Cheve (Cuicateco) | Mexico | Oaxaca | Cuicatlan | 56.50 | 90924 | 5016.4 | 1538 | Bill Stone email | 2025-01 |
- | 32 | Sima del Hayal de Ponata-Rebollar II (SI-44,SI-57,SR-7) | Spain | Araba/Bizkaia/Burgos | Sierra Salvada/Gorobel M. | 55.92 | 90000 | 1479.7 | 451 | Jose Luis Membrado e-mail | 2023-03 |
- | 33 | Great Savannah Cave System | USA | West Virginia | Greenbrier | 55.01 | 88530.1 | 550.6 | 167.8 | Nick Socky email | 2024-10 |
- | 34 | Gouffre de la Pierre Saint Martin - gouffre des Partages | France / Spain | Pyrenees-Atlantiques | Pierre Saint Martin | 54.75 | 88111 | 4626 | 1410 | Jose Luis Membrado email | 2025-01 |
- | 35 | Three Counties System | United Kingdom | England | Northern Dales | 53.82 | 86619 | 830.1 | 253 | Wookey e-mail | 2021-09 |
- | 36 | Barenschacht | Switzerland | Bern | Beatenberg | 53.45 | 86026 | 3211.9 | 979 | Rolf Siegenthaler e-mail | 2009-07 |
- | 37 | Friars Hole Cave System | USA | West Virginia | Green./Pocoho. | 52.56 | 84587.1 | 613 | 186.84 | Bill Storage email | 2024-03 |
- | 38 | Complesso del Monte Canin | Italy | Friuli Venezia Giulia | Chiusafoete | 52.07 | 83800 | 3668 | 1118 | Francesco Serafin e-mail | 1999-07 |
- | 39 | Fort Stanton Cave | USA | New Mexico | Lincoln | 51.74 | 83267.5 | 567 | 172.8 | Lee H.Skinner e-mail | 2024-10 |
- | 40 | Sistema de los Cuatro (4) Valles | Spain | Cantabria | Solorzano | 47.80 | 76908 | 357.6 | 194 | Juan Corrin email | 2024-08 |
- | 41 | Complesso del Monte Corchia (Fighiera,Farol.)- Su Palu | Italy | Toscana | Alpi Apuane | 47.22 | 76000 | 3894.4 | 1187 | Guido Baroncni Turricchia e-mail | 2009-07 |
- | 42 | Bulmer Caverns ( Castle Keep - Gormenghast) | New Zealand | South Island | Mt Owen | 46.18 | 74316 | 2477 | 755 | Lindsay Main NZ Speleological Soc. Info Officer | 2016-09 |
- | 43 | Cova des Pas de Vallgornera | Spain | Balearics | Llucmajor | 46.13 | 74242 | 68.9 | 21 | Jose Luis Membrado e-mail | |
- | 44 | Binkley's Cave System | USA | Indiana | Harrison | 46.10 | 74190.8 | 140 | 42.67 | Gary Roberson e-mail | 2024-09 |
- | 45 | Reseau de l'Alpe | France | Isere / Savoie | Chartreuse | 44.93 | 72300 | 2149 | 655 | Liste des cavites naturelles les plus longues de France | 2019-04 |
UW | 46 | Wakulla Cave System | USA | Florida | Leon/Wakulla | 44.83 | 72171 | 350 | 106.68 | Casey McKinlay e-mail | 2023-04 |
- | 47 | Hellhole System | USA | West Virginia | Pendleton | 43.60 | 70167.4 | 737 | 224.64 | GVKS | 2020-02 |
- | 48 | Ogof Draenen | United Kingdom | Wales | Monmouthshire | 43.50 | 70000 | 495.4 | 151 | www.ukcaves.co.uk/all-longest | 2016-01 |
- | 49 | Double Bopper Cave | USA | Arizona | Coconino | 42.70 | 68719 | 618 | 188.37 | Jason Ballensky e-mail | 2024-11 |
- | 50 | Complesso della Valle del Nose | Italy | Lombardia | Pian del Tivano | 42.43 | 68288 | 1870.1 | 570 | Andrea Maconi e-mail | 2017-06 |
- | 51 | San Wang Dong | China | Chongqing | Wulong | 42.15 | 67825 | 1125.3 | 343 | Descent 231 | 2016-05 |
- | 52 | Botovskaya | Russia | Lrkutsk | Sredne | 42.10 | 67747 | 131.2 | 40 | Alexander Osinzev e-mail | |
53 | Dachstein-Mammuthöhle | Austria | Dachstein | Oberösterreich | 42.07 | 67701 | 3960.0 | 1207 | Lukas Plan email | 2024-06 | |
- | 54 | Whigpistle System | USA | Kentucky | Edmonson | 41.76 | 67206.2 | 314 | 95.71 | Joel Despain e-mail | 2024-07 |
55 | Dingo Caves System | Australia | Northern Territory | Judbarra-Gregory National Park | 41.01 | 66000 | Mark Sefton e-mail | 2024-03 | |||
L | 56 | Kazumura Cave | USA | Hawaii | Hawaii | 40.70 | 65500 | 3613.8 | 1101.5 | HSS Newsletter N9P7 | 2016-06 |
- | 57 | Grotte de Saint-Marcel | France | Ardeche | Bas-Vivarais | 40.08 | 64500 | 1066.3 | 325 | Liste des cavites naturelles les plus longues de France | 2019-04 |
- | 58 | Blue Spring Cave | USA | Tennessee | White | 40.00 | 64373.76 | 307 | 93.57 | Jason Riichards e-mail | 2016-10 |
- | 59 | Jamski sustav Crnopac | Croatia | Juzni Velebit | Crnopac | 39.60 | 63746 | 2723.1 | 830 | Aida Barisic | 2024-10 |
- | 60 | Carlsbad Cavern (C.C.N.P.) | USA | New Mexico | Eddy | 39.50 | 63569.09 | 1035 | 315.47 | Vidio on liine | 2019-12 |
- | 61 | Organ Cave System | USA | West Virginia | Greenbrier | 38.45 | 61882.5 | 486 | 148.13 | WVASS Database | 2016-05 |
UW | 62 | Arresteliako ziloa(Souffleur de Larrandaburu) | France | Pyre. Atlantiques/Navarr | Pierre Saint Martin | 37.87 | 60943 | 2740 | 835 | Die langsten Unterwasserholensysteme der Welt | 2019-04 |
- | 63 | Ogof Ffynnon Ddu | United Kingdom | Wales | Powys | 37.68 | 60644 | 1015.4 | 309.5 | - | 2021-10 |
UW | 64 | Sistema Xunaan Ha (Underwater+Dry) | Mexico | Quintana Roo | Tulum | 37.56 | 60445 | 110.9 | 33.8 | QRSS Long Caves List | 2015-02 |
- | 65 | Cueva del Valle (Red Del Silencio) | Spain | Cantabria | Vizcaya/Cantabria | 37.42 | 60223 | 1646.98 | 502 | Jose Luis Membrado email | 2023-06 |
66 | Lamprechtsofen | Austria | Leoganger Steinberge | Salzburg | 37.28 | 60000 | 5666.0 | 1727 | Lukas Plan email | 2024-06 | |
- | 67 | Gouffre de Padirac | France | Lot | Causse de Gramat | 36.66 | 59000 | 1033.5 | 315 | Jean-Yves Bigot | 2019-04 |
C | 68 | Bol'shaja Oreshnaja (Conglomerate) | Russia | Russia | Kransnojarsk | 36.04 | 58000 | 787.4 | 240 | International Caver 2000 P78 | 2017-06 |
69 | Prometheus Cave System | Australia | Northern Territory | Judbarra-Gregory National Park | 35.42 | 57000 | Mark Sefton e-mail | 2024-03 | |||
- | 70 | Kap-Kutan/Promezhutochnaja | Turkmenistan | Turkistan | Gissarsko-Ala. | 35.42 | 57000 | 1017.1 | 310 | RSIC | 2019-09 |
- | 71 | Grotte de la Luire | France | Drome | Vercors | 34.91 | 56182 | 1906.2 | 581 | Liste des cavites naturelles les plus longues de France | 2019-04 |
- | 72 | Sistema de Atxuriaga (Complex) | Spain | Bizkaia | Galdames | 34.80 | 56000 | 1791.3 | 546 | Jose Luis Membrado e-mail | 2016-10 |
- | 73 | Systeme du Granier | France | Isere / Savoie | Chartreuse | 34.63 | 55725 | 2083.3 | 635 | Liste des cavites naturelles les plus longues de France | 2019-04 |
- | 74 | Reseau de la Dent de Crolles | France | Isere | Chartreuse | 34.43 | 55407 | 2263.8 | 690 | Buchaly, Waldbrener | 2019-04 |
- | 75 | Mamo Kananda | Papua New Guinea | Southern Highland | Muller Range | 34.05 | 54800 | 1732.3 | 528 | Atlas Des Grandes Cavites Mondia. | 2016-01 |
- | 76 | Gr. Caverna de Palmarito | Cuba | Pinar del Rio | S. de Vinales | 33.55 | 54000 | 0 | 0 | Info CREI 2001 N10 | 2017-06 |
- | 77 | Teng Long Dong | China | Hubei | Lichuan | 33.06 | 53210 | 1128.6 | 344 | Zhi Quin FB | 2022-06 |
- | 78 | Jianghou Dixachanglang | China | Guangxi | Fengshan | 32.98 | 53070 | 1128.6 | 344 | 2016-08 | |
G | 79 | Mlynky | Ukraine | Ternopil | Chortkiv | 32.89 | 52923 | 66 | 20 | cavemlynky@gmail.com | 2019-01 |
- | 80 | System Amaterskej a Punkevni Jesky. | Czech Rep. | Moravia | Ostrov | 32.13 | 51707 | 695.5 | 212 | Jan Sirotek e-mail | 2024-01 |
81 | Gamslöcher-Kolowrat-Höhlensystem | Austria | Untersberg | Salzburg | 31.52 | 50721 | 3763.1 | 1147 | Lukas Plan email | 2024-06 | |
- | 82 | Benarat Caverns System (lubang Benerat) | Malaysia | Sarawak | Mulu | 31.48 | 50669 | 380.6 | 116 | Mulu Caves Project | 2019-08 |
UW | 83 | Sistema Pool Tunich (Under Water + Dry) | Mexico | Quintana Roo | Tulum | 31.32 | 50401 | 78.7 | 24 | QRSS Long Caves List | |
- | 84 | Sistema de Anielarra (Anialarra) | Spain | Nafarroa | Larra | 31.20 | 50161 | 2798.6 | 853 | Jose Luis Membrado e-mail | 2025-01 |
- | 85 | Crevice Cave | USA | Missouri | Perry | 31.17 | 50174 | 182 | 55.5 | Chad McCain e-mail | 2024-01 |
- | 86 | Pestera Vantului | Romania | Bihor | Mtii Padurea Craiului | 31.07 | 50000 | 557.7 | 170 | Liviu Valenas e-mail | 2017-04 |
L | 87 | Delissea Cave System | USA | Hawaii | Hawaii | 31.01 | 49900 | 3763.1 | 1147 | Peter Bosted e-mail | 2023-12 |
- | 88 | Trou qui souffle | France | Isere | Vercors | 30.63 | 49300 | 2198.2 | 670 | Liste des cavites naturelles les plus longues de France | 2019-04 |
- | 89 | Sistema Itxina'pe Sarea | Spain | Bizkaia | Gorbea | 30.54 | 49150 | 0 | 0 | Jose Luis Membrado e-mail | 2016-10 |
- | 90 | Trou du Garde / Creux de la Cavale | France | Savoie | Les Deserts | 30.12 | 48476 | 987.5 | 301 | Liste des cavites naturelles les plus longues de France | 2022-06 |
UW | 91 | Sistema Toh Ha | Mexico | Quintana Roo | Tulum | 29.67 | 47746 | 42 | 12.8 | QRSS Long Caves List | 2019-07 |
- | 92 | Sistema Aranonera (Sima S1-S2)(Tendenera connected) | Spain | Huesca | Pirineos | 29.52 | 47500 | 4425.9 | 1349 | Jose Luis Membrado e-mail | 2024-01 |
- | 93 | Scott Hollow Cave | USA | West Virginia | Monroe | 29.50 | 47475.65 | 571 | 174.04 | WVASS Spring Meeting | 2016-05 |
- | 94 | Omega System | USA | Virginia | Wise | 29.43 | 47362.99 | 1263 | 384.96 | Mike Ficco e-mail | 2016-06 |
- | 95 | Er Wang Dong | China | Chongqing | Wulong | 29.33 | 47199 | 1446.9 | 441 | www.hongmeigui.net/deepandlong.php | 2017-04 |
- | 96 | Sistema Garra de Jaguar (Jaguar Claw) | Mexico | Quintana Roo | Tulum | 29.26 | 47088 | 0 | 0 | QRSS Long Caves List | 2021-11 |
- | 97 | Memorial Day Cave | USA | West Virginia | Pendleton | 29.03 | 46719.26 | 579.2 | 176.54 | GVKS | 2020-12 |
- | 98 | Reseau des Chuats | France | Drome | Vercors | 28.87 | 46468 | 1207.3 | 368 | Liste des cavites naturelles les plus longues de France | 2022-06 |
- | 99 | Santo Tomas (gran caverna de) | Cuba | Pinar del Rio | S. de Quemadas | 28.58 | 46000 | 0 | 0 | The NSS News V57N10P300 | 1999-10 |
100 | Frauenmauer-Langstein-Höhlensystem | Austria | Hochschwab | Steiermark | 28.05 | 45143 | 2270.3 | 692 | Lukas Plan email | 2024-06 | |
- | 101 | Grotte de la Diau | France | Haute Savoie | Parmelan | 27.96 | 45000 | 2362.2 | 720 | Liste des cavites naturelles les plus longues de France | 2022-06 |
102 | Kolkbläser-Monsterhöhle-System | Austria | Steinernes Meer | Salzburg | 27.64 | 44487 | 2332.7 | 711 | Lukas Plan email | 2024-06 | |
- | 103 | Cumberland Caverns (Saltpeter) | USA | Tennessee | Warren | 27.62 | 44443.64 | 200 | 60.96 | Charles Cole | 1992-03 |
C | 104 | Migovec (Vrtnarija) System (M-16) | Slovenia | Primorska | zaledje Tolminke | 27.08 | 43588 | 3189 | 972 | Marko Erker e-mail | |
- | 105 | Demanovsky jaskynny system | Slovakia | Nizke Tatry | Demanovske vrchy | 26.74 | 43036 | 643 | 196 | Pavel Herich e-mail | 1999-04 |
- | 106 | Tham Khoun Dori - Houay Sai System Cave | Laos | Khammouane | Ban Na | 26.15 | 42077 | 853 | 260 | Charles Ghommidh e-mail | 2009-07 |
- | 107 | Moore Cave System (Berome & Tom) | USA | Missouri | Perry | 26.14 | 42077.8 | 147 | 44.81 | Chad McCain e-mail | 2024-01 |
L | 108 | Kipuka Kanohina Cave (Kula Kai Caverns) | USA | Hawaii | Hawaii | 26.10 | 42010 | 944.9 | 288 | Kanohina Data Manager - Tomislav Gracanin e-mail | 2019-06 |
- | 109 | Pestera din Poienita-Pestera dein Dealul Humpleu | Romania | Alba | Mtii Bihor | 26.10 | 42000 | 1026.9 | 313 | Victor Ursu info | 2020-03 |
G | 110 | Scialet de les Nuits Blanches - Superieur du clos d'Aspres | France | Isere | Vercors | 26.10 | 42000 | 3497 | 1066 | Le Karst Du Gypse, Jean Yves Bigot Page 86-87 | 2002-07 |
111 | Eisriesenwelt | Austria | Tennengebirge | Salzburg | 26.10 | 42000 | 1450.1 | 442 | Lukas Plan email | 2024-06 | |
- | 112 | Cueva del Tecolote | Mexico | Tamaulipas | Villa Hidalgo | 25.15 | 40475 | 1391.1 | 424 | Mark Minton e-mail | 2016-05 |
- | 113 | Sistema de las Fuentes de Escuain (Badalona B15-B1) | Spain | Huesca | Escuain | 24.99 | 40217 | 3776.2 | 1151 | Jose Luis Membrado e-mail | 2022-12 |
- | 114 | Sloans Valley Cave System | USA | Kentucky | Pulaski | 24.64 | 39654.24 | 240 | 73.15 | The International Caver N19P23 | 1997-05 |
- | 115 | Silberensystem (Schwyzerschacht) | Switzerland | Schwyz | Muotatal | 24.32 | 39144 | 2914.7 | 888.4 | List of Swiss Long k& Deep Caves | 2009-07 |
UW | 116 | Sistema Zapote - Camilo | Mexico | Quintana Roo | Tulum | 24.24 | 39004 | 91.9 | 28 | QRSS Long Caves List | 2019-07 |
- | 117 | Sistemul Humpleu-Poienita | Romania | Cluj | Mtii Bihor | 24.23 | 39000 | 1030.2 | 314 | Romania-Natural | 2022-03 |
- | 118 | Chiquibul Cave System (Cebaba & Actun Tunkul) | Belize | Mt Junea West | Chiquibul | 24.23 | 39000 | 524.9 | 160 | Tom Miller e-mail | 2016-01 |
- | 119 | Sistema Illaminako (BU.56 - A.60) | Spain | Navarra | Larra | 24.20 | 38913 | 4396.3 | 1340 | Jose Luis Membrado email | 2024-11 |
- | 120 | Xanadu Cave System | USA | Tennessee | Fentress | 24.06 | 38724.04 | 227 | 69.19 | Tenn.Cave Survey | 2015-02 |
- | 121 | Cueva la Vallina (VT.100) | Spain | Cantabria | Arredondo | 23.98 | 38591 | 646.3 | 197 | Juan Corrin email | 2024-08 |
- | 122 | Qikengdong | China | Chongqing | Wulong | 23.95 | 38546 | 3346.5 | 1020 | 2016-08 | |
- | 123 | Jiangzhou Dongxuexitong | China | Guangxi | Fengshan | 23.92 | 38500 | 492.1 | 150 | www.hongmeigui.net/deepandlong.php | 2017-04 |
- | 124 | Nettlebed Cave System (Blizzard Pot top entrance,Stormy Pot) | New Zealand | South Island | Mt Arthur | 23.77 | 38252 | 3851.7 | 1174 | Lindsay Main NZ Speleological Soc. Info Officer | 2022-08 |
- | 125 | Sistema de Pan de Azucar | Cuba | Pinar del Rio | S.del Rosario | 23.61 | 38000 | 0 | 0 | The NSS News V57N10P300 | 1999-10 |
- | 126 | Cueva de los Chorros | Spain | Albacete | Riopar | 23.60 | 38000 | 426.5 | 130 | Jose Luis Membrado eamil | 2024-10 |
- | 127 | Sistema Cuetzalan - Atepolihuit | Mexico | Puebla | Curtzalan | 23.41 | 37676 | 2158.8 | 658 | Mark Minton e-mail | 2016-06 |
- | 128 | Sistema Cueto-Coventosa-Cubera-Garma Bucebrón-Corzo | Spain | Cantabria | Porracolina | 23.15 | 37258 | 2719.8 | 829 | Jose Luis Membrado e-mail | 2021-01 |
- | 129 | The Hole (Boggs Cave) | USA | West Virginia | Greenbrier | 23.00 | 37019.74 | 225 | 68.58 | Bill Balfour | 1991-09 |
- | 130 | Gouffre Berger - Gouffre de la Fromagere | France | Isere | Vercors | 22.99 | 37000 | 4341 | 1323 | https://fr-academic.com/dic.nsf/frwiki/717878#cite_note-1 | 2022-12 |
- | 131 | Sistema Lecherines | Spain | Huesca | Macizo de Aspe | 22.99 | 37000 | 3310.4 | 1009 | Jose Luis Membrado e-mail | 2023-12 |
- | 132 | Coral Cave System | USA | Kentucky | Pulaski | 22.56 | 36306.8 | 340 | 103.63 | Lee Florea e-mail | 2015-02 |
- | 133 | Sugar Run Cave System | USA | Virginia | Giles | 22.55 | 36291 | 718 | 218.85 | VSS | 2015-02 |
- | 134 | Complesso dei Piani Eterni | Italy | Veneto | Dolomiti BL | 22.47 | 36160 | 3451.4 | 1052 | Francesco Sauro e-mail | 2020-10 |
- | 135 | Lost River Cave System | USA | Indiana | Orange | 22.20 | 35727.44 | 94 | 28.65 | Long cave list for Indiana, Indiana Cave Survey | 2017-03 |
- | 136 | Lilburn Cave (N.P.) | USA | California | Tulare | 22.17 | 35679 | 508 | 154.84 | Jed Mosenfelder e-mail | 2019-01 |
137 | Tantalhöhle | Austria | Hagengebirge | Salzburg | 22.07 | 35520 | 1427.2 | 435 | Lukas Plan email | 2024-06 | |
- | 138 | Chestnut Ridge Cave System | USA | Virginia | Bath | 22.06 | 35507 | 813.6 | 248 | BCCS | 2019-10 |
- | 139 | Complesso di Piaggia Bella | Italy | Piemonte | Marguareis | 22.06 | 35500 | 3152.9 | 961 | http://www.Class.del.g.piulunghe/profon.d'Italia | 2009-07 |
- | 140 | Xia, Qikeng, Lanmu Shu, Miao Keng, Xiaogu Chi. Dongba Dong | China | Chongqing | Wulong | 22.05 | 35479 | 3346 | 1020 | LIU JIA e-mail | 2019-04 |
- | 141 | Cueva de Udias | Spain | Cantabria | - | 21.87 | 35196 | 0 | 0 | Jose Luis Membrado e-mail | 2021-11 |
- | 142 | Complesso della Carcaraia (Abisso Saragato) | Italy | Toscana | Alpi Apuane | 21.75 | 35000 | 3690.9 | 1125 | Speleologia N68P102-103 | 2009-07 |
- | 143 | Reseau du Verneau | France | Doubs | Deservillers | 21.75 | 35000 | 1269.7 | 387 | Liste des cavites naturelles les plus longues de France | 2022-06 |
- | 144 | Reseau Andre Lachambre (grotte d'Embulla) | France | Pyrenees-Orientales | Conflent | 21.75 | 35000 | 242.8 | 74 | D'apres Christophe Levillain | 2017-06 |
- | 145 | Toca da Barriguda | Brazil | Bahia | - | 21.75 | 35000 | 200.1 | 61 | As Maiores Cavernas Do Basil | 2020-01 |
- | 146 | Mesacny tien | Slovakia | Vysoke Tatry | Javorinska Siroka | 21.74 | 34994 | 1479.7 | 451 | Branislav šmida | 1999-04 |
- | 147 | Greenlink - Middle Earth System | New Zealand | South Island | Takaka Hill | 21.69 | 34902 | 1276.2 | 389 | Lindsay Main NZ Speleological Soc. Info Officer | 2020-06 |
- | 148 | Sistema Azpilicueta-Coteron-Renada (Sistema de la Vega) | Spain | Cantabria | Ruesga | 21.61 | 34783 | 1112.2 | 346 | Jose Luis Membrado e-mail | 2023-04 |
- | 149 | Sistema de la Pena de Mediodia | Spain | Huesca | Pirineos | 21.57 | 34707 | 2959.3 | 902 | Jose Luis Membrado e-mail | 2023-04 |
- | 150 | Mawandong | China | Guizhou | Zhengan | 21.54 | 34657 | 1820.9 | 555 | http://www.grottes-et-karsts-de-chine.org/npds/gkc_gro.php?op=deve | 2015-02 |
- | 151 | Atea Kananda | Papua New Guinea | Southern Highland | Muller Range | 21.44 | 34500 | 1148.3 | 350 | The British Caver V94-95 | 2017-06 |
- | 152 | Sistema Oztotl (Rosetta-Tepetzala) | Mexico | Puebla | - | 21.24 | 34188 | 2880.6 | 878 | http://www.mexicancaves.org/geninfo/longanddeep.html | 2019-03 |
- | 153 | Majaguas-Cantera (sis.caverna.) | Cuba | Pinar del Rio | S.de San Carlo | 21.13 | 34000 | 0 | 0 | The International Caver | 2017-06 |
- | 154 | Hidden River System (Hicks Cave) | USA | Kentucky | Hart | 21.10 | 33957.16 | 160 | 48.77 | Carbide Caver V7I10P111 | 1998-10 |
- | 155 | Culverson Creek Cave System | USA | West Virginia | Greenbrier | 20.93 | 33680.35 | 329 | 100.28 | WVASS Database | 2016-06 |
- | 156 | Blue Spring Cave | USA | Indiana | Lawrence | 20.90 | 33635.29 | 140 | 42.67 | Long cave list for Indiana, Indiana Cave Survey | 2017-03 |
UW | 157 | Sistema Nohoch Kai | Mexico | Quintana Roo | Tulum | 20.82 | 33505 | 85 | 25.9 | QRSS Long Caves List | 2019-07 |
- | 158 | Reseau de Bunant | France | Haute Savoie | Parmelan | 20.82 | 33500 | 1213.9 | 370 | Liste des cavites naturelles les plus longues de France | 2022-06 |
- | 159 | Ellis Basin System (Tomo Thyme, Exhaleair, & Exhalibur) | New Zealand | South Island | Mt Arthur | 20.75 | 33400 | 3366.1 | 1026 | Lindsay Main NZ Speleological Soc. Info Officer | 2022-05 |
- | 160 | Honey Creek Cave | USA | Texas | Comal | 20.69 | 33295 | 124.3 | 37.9 | Texas Speleological Survey via Jerry Atkinson e-mail | 2022-01 |
- | 161 | Ogof Agen Allwedd | United Kingdom | Wales | Powys, Monmouthshire | 20.38 | 32800 | 524.9 | 160 | - | |
- | 162 | Carroll Cave | USA | Missouri | Camden | 20.31 | 32686 | 224 | 68.28 | Bob Lerch e-mail | 2019-03 |
G | 163 | Reseau des Grottes aux Fees | Switzerland | Vallorbe | Vaud | 20.29 | 32657 | 744.8 | 227 | List of Swiss Long k& Deep Caves | 2009-07 |
- | 164 | Terikan System (Rising, East, West) | Malaysia | Sarawak | Mulu | 20.24 | 32572 | 0 | 0 | Mulu Caves Project | 2019-08 |
- | 165 | Reseau de Coufin-Chevaline | France | Isere | Vercors | 20.07 | 32301 | 1394.4 | 425 | Liste des cavites naturelles les plus longues de France | 2022-06 |
- | 166 | Gap Cave System (Cudjo's) (C.G.N.H.P.) | USA | Virginia | Lee | 19.88 | 32000 | 491 | 149.66 | Bob Gulden (CRF) | 2019-04 |
- | 167 | Puerto Princesa Subterranean River (St.Pauls Underground River Cave) | Philippines | Palawan Island | Palawan | 19.88 | 32000 | 328.1 | 100 | Wikipedia | |
168 | Klarahöhle | Austria | Sengsengebirge | Oberösterreich | 19.58 | 31515 | 1548.6 | 472 | Lukas Plan email | 2024-06 | |
- | 169 | Kihaje Xontjoa | Mexico | Oaxaca | Cerro Rabon P. | 19.49 | 31373 | 4012.5 | 1223 | http://www.amcs-pubs.org/longanddeep.html | 2016-06 |
- | 170 | Grotta di Monte Cucco | Italy | Umbria | Monte Cucco | 19.45 | 31300 | 3047.9 | 929 | Class.del.g.piu lunghe/profon.d'Italia | 2009-07 |
- | 171 | Systeme Prerouge - Litorne | France | Savoie | Bauges | 19.44 | 31292 | 1666.7 | 508 | Jose Luis e-mail | 2015-02 |
- | 172 | Krem Liat Prah/Um IM/Labbit M /RUBONG | India | Meghalaya | Jaintia Hills | 19.44 | 31279 | 0 | 0 | Descent N275P15 | |
173 | Verborgene Höhle | Austria | Totes Gebirge | Oberösterreich | 19.24 | 30956 | 1197.5 | 365 | Lukas Plan email | 2024-06 | |
- | 174 | Nunley Mtn.Cave System (Maria Angela Grotto) | USA | Tennessee | Grundy | 19.00 | 30577.5 | 372 | 113.4 | Julianne Ramsey email | 2025-01 |
- | 175 | Baradla-Domica | Hungary | Aggtelek Karst | 18.93 | 30466 | 380.6 | 116 | Peter Gruber e-mail | 2017-06 | |
176 | Berger-Platteneck-Höhlensystem | Austria | Tennengebirge | Salzburg | 18.89 | 30396 | 4235.6 | 1291 | Lukas Plan email | 2024-06 | |
- | 177 | Szepvolgyi System (Pal-volgy Cave) | Hungary | Budapest | - | 18.70 | 30100 | 403.5 | 123 | International Journal of Speleology 44(2) | 2016-05 |
178 | Grießkar-Höhlensystem | Austria | Totes Gebirge | Stmk/OÖ | 18.47 | 29724 | 2555.8 | 779 | Lukas Plan email | 2024-06 | |
- | 179 | Complesso del Releccio Alfredo Bini (W Le Donne) | Italy | Lombardia | Grigna. Settentrionale | 18.39 | 29600 | 4307.7 | 1313 | Andrea Maconi e-mail | 2009-07 |
- | 180 | Tham Nam Non System | Laos | Khammouane | Thakhek | 18.33 | 29500 | 0 | 0 | Caves of Malaysia | 2009-07 |
- | 181 | Bettenhohle | Switzerland | Obwalden | Kerns | 18.32 | 29484 | 2637.8 | 804 | http://ch.speleo.info | 2009-07 |
- | 182 | Windy Mouth (Wind) Cave | USA | West Virginia | Greenbrier | 18.11 | 29145.22 | 200 | 60.96 | Nick Sockiy FB | 2021-12 |
- | 183 | Butler-Sinking Creek System | USA | Virginia | Bath | 18.06 | 29064.75 | 644.3 | 196.38 | Tont Canike email | 2016-09 |
184 | Ötscherhöhlensystem | Austria | Ötscher | Niederösterreich | 17.78 | 28608 | 2171.9 | 662 | Lukas Plan email | 2024-06 | |
- | 185 | Reseau de Francheville | France | Cote-d'Or | Francheville | 17.73 | 28530 | 557.7 | 170 | Liste des cavites naturelles les plus longues de France | 2022-06 |
- | 186 | Sistema de Tepepa (Ehecatl+Niebla) | Mexico | Puebla | - | 17.71 | 28500 | 3175.9 | 968 | Desent 209 | 2016-09 |
UW | 187 | Sistema Caterpillar | Mexico | Quintana Roo | Felipe Carrillo Puerto | 17.56 | 28253 | 88.9 | 27.1 | QRSS Long Caves List | 2019-07 |
- | 188 | Fitton (Beauty) Cave | USA | Arkansas | Newton | 17.50 | 28163.52 | 89.9 | 95.4 | Scott House e-mail | 2004-02 |
189 | Kuchlberg-Höhlensystem | Austria | Tennengebirge | Salzburg | 17.47 | 28108 | 2529.5 | 771 | Lukas Plan email | 2024-06 | |
190 | Jägerbrunntrog-Höhlensystem | Austria | Hagengebirge | Salzburg | 17.41 | 28026 | 3536.7 | 1078 | Lukas Plan email | 2024-06 | |
- | 191 | Ogof Daren Cilau System | United Kingdom | Wales | Powys, Monmouthshire | 17.40 | 28000 | 761.2 | 232 | www.ukcaves.co.uk/all-longest | 2016-01 |
- | 192 | V5 Sistemul Varasoaia (V5-V24) | Romania | Bihor | Mtii Bihor | 17.40 | 28000 | 2142.4 | 653 | Alex Pologea e-mal | 2017-04 |
- | 193 | Old Homestead Cave | Australia | Western Australia | Nullarbor Plain | 17.40 | 28000 | 0 | 0 | International Caver No.7 | 2017-06 |
- | 194 | Thornhill Cave System | USA | Kentucky | Breckenridge | 17.23 | 27732.22 | 0 | 0 | Arron Reed Louisville Grotto e-mail | 2016-01 |
- | 195 | Coldwater Cave | USA | Iowa | Winneshiek | 17.01 | 27366.89 | 80 | 24.38 | Larry Welch e-mail | 2016-07 |
- | 196 | Big Bat Cave | USA | Kentucky | Breckenridge | 16.95 | 27278.05 | 185.78 | 56.63 | Joe Walko email | 2024-01 |
- | 197 | Kingsdale Master Cave System | United Kingdom | England | North Yorkshire | 16.78 | 27000 | 541.3 | 165 | www.ukcaves.co.uk/all-longest | |
- | 198 | Green Cathedral/Turtle Cave System | Malaysia | Sarawak | Gunung Buda | 16.76 | 26971 | 997.4 | 304 | NSS News V62N8P225 | |
- | 199 | Reseau de Lachambre - Estacio Vella | France | Pyrenees-Orientales | Conflent | 16.66 | 26815 | 242.8 | 74 | Liste des cavites naturelles les plus longues de France | 2022-06 |
UW | 200 | Sistema Sand Crack (Underwater) | Mexico | Quintana Roo | Tulum | 16.62 | 26746 | 58.1 | 17.7 | QRSS Long Caves List | 2019-07 |
UW | 201 | Sistema Sand Crack | Mexico | Quintana Roo | Tulum | 16.62 | 26746 | 58 | 17.7 | QRSS Long Caves List | 2019-07 |
- | 202 | Reseau Jean Bernard | France | Haute Savoie | Haute-Giffre | 16.58 | 26685 | 5256 | 1625 | Liste des cavites naturelles les plus longues de France | 2022-06 |
- | 203 | Reseau de Fuilla - Canalettes | France | Pyrenees-Orientales | Conflent | 16.47 | 26500 | 259.2 | 79 | Liste des cavites naturelles les plus longues de France | 2022-06 |
- | 204 | Sistema Tibia-Fresca | Spain | Cantabria | Porracolina | 16.40 | 26400 | 1663.4 | 507 | Jose Luis Membrado e-mail | 2021-11 |
- | 205 | Bigfoot Cave | USA | California | Siskiyou | 16.25 | 26151.84 | 1205 | 367.28 | Scott Linn e-mail | 2016-10 |
206 | Ahnenschacht | Austria | Totes Gebirge | Oberösterreich | 16.25 | 26148 | 2057.1 | 627 | Lukas Plan email | 2024-06 | |
- | 207 | Powell's Cave System | USA | Texas | Menard | 16.25 | 26145.5 | 79 | 24.08 | Texas Speleological Survey via Jerry Atkinson e-mail | 2021-10 |
- | 208 | Baradla barlang-Domica jaskyna ?? | Slovakia / Hungary | Slovak / Aggtelek Karst | Kecovo - Josvafo | 16.20 | 26065 | 380.6 | 116 | P.Bella - P.Gruber e-mail | 1988-10 |
209 | Almberg-Höhlensystem | Austria | Totes Gebirge | Steiermark | 16.19 | 26053 | 990.8 | 302 | Lukas Plan email | 2024-06 | |
- | 210 | Systeme Biolles - Squelettes - Crolleurs | France | Savoie | Margeriaz | 16.16 | 26001 | 1939 | 591 | Liste des cavites naturelles les plus longues de France | 2022-06 |
- | 211 | Gran Sistema Cavernaio de Fuentes | Cuba | Pinae del Rio | Sierra de Mesa | 16.16 | 26000 | 0 | 0 | The International Caver #8 | 2017-06 |
- | 212 | Perdidos (sis.cavernario de los) | Cuba | Pinar del Rio | S. del Roario | 16.16 | 26000 | 0 | 0 | Speleolgia | 2017-05 |
- | 213 | Rumbling Falls Cave. | USA | Tennessee | Van Buren | 16.09 | 25895.95 | 474 | 144.48 | Marion O.Smith per TCS | 2015-02 |
- | 214 | Mystery Cave System | USA | Missouri | Perry | 15.84 | 25495.23 | 150 | 45.72 | M.S.S. Walsh | 2015-02 |
UW | 215 | Sistema Nohoch Pek - Muk K'in (Underwater) | Mexico | Quintana Roo | Tulum | 15.81 | 25437 | 61 | 18.6 | QRSS Long Caves List | 2019-07 |
216 | Labyrinthhöhle im Eisernen Bergl | Austria | Warscheneck | Oberösterreich | 15.77 | 25386 | 2529.5 | 771 | Lukas Plan email | 2024-06 | |
Q | 217 | Krem Puri (Sandstone) | India | Meghalaya | Khasi Hills | 15.73 | 25317 | 98.4 | 30 | Descent N275P15 | |
218 | DÖF-Sonnenleiter-Höhlensystem | Austria | Totes Gebirge | Steiermark | 15.70 | 25273 | 3582.7 | 1092 | Lukas Plan email | 2024-06 | |
- | 219 | Tjoarvekrajgge | Norway | Nordland | Sorfold | 15.64 | 25167 | 1630.6 | 497 | Torstein Finnesand e-mail | 2016-06 |
UW | 220 | Sistema Nohoch Pek - Muk K'in | Mexico | Quintana Roo | Tulum | 15.63 | 25160 | 61 | 18.6 | QRSS Long Caves List | 2019-07 |
- | 221 | Fern Cave (597) | USA | Alabama | Jackson | 15.63 | 25154.05 | 536 | 163.37 | Fern Cave Project | 2017-06 |
- | 222 | Gouffre Lonne-Peyret (Reseau des Arres Planeres) | France | Pyrenees-Atlantiques | Pierre Saint Martin | 15.59 | 25086 | 2648 | 807 | Liste des cavites naturelles les plus longues de France | 2022-06 |
- | 223 | Mountain Eye Cave System (Saltpeter) | USA | Tennessee | Fentress | 15.59 | 25084.84 | 280 | 85.34 | Tenn. Cave Survey | 1987-03 |
- | 224 | Sistema Buso della Rana / Pisarela | Italy | Veneto | Faedo-Casaron | 15.56 | 25033 | 738.2 | 225 | Class.del.g.piu lunghe/profon.d'Italia | 2009-07 |
- | 225 | Complejo de Orbaneja del Castillo | Spain | Burgos | - | 15.53 | 25000 | 0 | 0 | Jose Luis Membrado e-mail | 2021-01 |
- | 226 | Torca del Regato Calero | Spain | Cantabria | - | 15.53 | 25000 | 1148.3 | 350 | Jose Luis Membrado e-mail | 2020-08 |
- | 227 | Pestera Topolnita (Sistemul Topolnita-Epuran) | Romania | Mehedinti | Podisul Mehedinti | 15.53 | 25000 | 416.7 | 127 | Romania-Natural | 2020-04 |
G | 228 | Krasnaya (Kyzyl-Toba) (Qizil Qoba) | Ukraine | Crimea | - | 15.18 | 24430 | 656.2 | 200 | Inced O. e-mail | 2016-01 |
L | 229 | Hualalai Ranch Cave | USA | Hawaii | Hawaii | 15.05 | 24217 | 1449.1 | 441.7 | Doug Medville e-mail | 2016-03 |
- | 230 | Cave Creek Cave System | USA | Kentucky | Pulaski | 15.01 | 24156.25 | 170 | 51.82 | COG Squeaks | 2016-05 |
- | 231 | Groaning Cave | USA | Colorado | Garfield | 15.00 | 24140.16 | 149 | 45.42 | Derek Bristol e-mail | 2016-08 |
- | 232 | Foglepole Cave | USA | Illinois | Monroe | 15.00 | 24140.16 | 0 | 0 | NSS News V56N4P114 | 1998-04 |
- | 233 | Postojnska jama | Slovenia | Notranjska | Postojnski kras | 14.99 | 24120 | 377.3 | 115 | http://www.postojnska-jama.eu/en/news/2015/postojna-cave-extended-by-3-5-kilometres/ | 2022-06 |
- | 234 | Illyuzia-Mezhonnogo-Snezhnaya | Georgia | Abkhazia | West Caucasus | 14.96 | 24080 | 5774.3 | 1760 | Web | 2016-08 |
- | 235 | Gouffre Nebele | France | Pyrenees-Atlantiques | Aquitaine | 14.94 | 24038 | 1558.4 | 475 | Liste des cavites naturelles les plus longues de France | 2022-06 |
- | 236 | Clearwell Caves (Part Mine) | United Kingdom | England | Gloucestershire | 14.91 | 24000 | 351 | 107 | www.ukcaves.co.uk/all-longest | 2017-06 |
- | 237 | Torca de la Vaca - Wild Mare | Spain | Cantabria | Entrambasaguas | 14.86 | 23914 | 219.8 | 67 | Juan Corrin e-mail | 2021-01 |
- | 238 | Benedicts (Persinger) Cave | USA | West Virginia | Greenbrier | 14.85 | 23898.76 | 254 | 77.42 | WVASS Database | 2016-06 |
- | 239 | Sistema Soconusco - Aire Fresco | Mexico | Chiapas | - | 14.82 | 23856 | 2076.8 | 633 | - | |
- | 240 | jaskinia Wielka Sniezna | Poland | Czerwone Wierchy | Malolaczniak | 14.74 | 23723 | 2703.4 | 824 | https://en.wikipedia.org/wiki/Jaskinia_Wielka_%C5%9Anie%C5%BCna | 2021-02 |
- | 241 | Akkado | Japan | Iwate | - | 14.73 | 23700 | 0 | 0 | - | 2016-05 |
- | 242 | Akkado (Akiyoshido) | Japan | Iwate | - | 14.73 | 23700 | 0 | 0 | - | |
- | 243 | Stratenska jaskyna - Psie diery ?? | Slovakia | Spissko-gemersky | Slovensky raj | 14.71 | 23670 | 636.5 | 194 | www.drienka.host.sk/najdlhsie.php | 1988-10 |
- | 244 | Big Horn - Horsethief Cave System | USA | Wyoming / Montana | Bighorn | 14.62 | 23520.56 | 171 | 52.12 | Even Gehring e-mail | 2015-02 |
- | 245 | Bojian | China | Guizhou | Zunyi Shi | 14.52 | 23360 | 1935.7 | 590 | http://www.grottes-et-karsts-de-chine.org/npds/gkc_rcdev50.php? | 2016-08 |
246 | Kolkina Cave | Bulgaria | Sofia Province | 14.50 | 23297.00 | 1840.6 | 561 | Elfi Hristova email | 2024-04 | ||
- | 247 | Cueva Guerta | Spain | Asturias | Pena Biguere | 14.47 | 23294 | 0 | 0 | Jose Luis Membrado e-mail | 2021-01 |
- | 248 | Systeme de Foussoubie | France | Ardeche | Bas-Vivarais | 14.46 | 23266 | 452.8 | 138 | Xavier Robert e-mail | 2019-04 |
- | 249 | Cueva del Soplao | Spain | Cantabria | Sierra de Arnero | 14.45 | 23253 | 0 | 0 | Jose Luis Membrado e-mail | 2019-10 |
250 | Sistema Crustacea | Mexico | Quintana Roo | Tulum | 14.41 | 23183 | CINDAQ annual project report | 2024-02 | |||
251 | Interessante Höhle | Austria | Hagengebirge | Salzburg | 14.35 | 23095 | 2096.5 | 639 | Lukas Plan email | 2024-06 | |
- | 252 | Cueva Coyolat | Mexico | Puebla | Tlacotepec | 14.29 | 23000 | 2034.1 | 620 | Gustavo e-mail AMCS#29 | 2016-05 |
- | 253 | Complesso Fiume-Vento | Italy | Marche | Frasassi | 14.29 | 23000 | 803.8 | 245 | http://www.Class.del.g.piulunghe/profon.d'Italia | 2009-07 |
- | 254 | Cuevas de Bellamar | Cuba | Matanzas | - | 14.29 | 23000 | 0 | 0 | http://www.ecured.cu/index.php/Cuevas_de_Bellamar | 2016-10 |
- | 255 | Mini - Martin Cave - Exit Cave | Australia | Tasmania | Ida Bay | 14.29 | 23000 | 721.8 | 220 | Sherry Juneo | 2017-06 |
- | 256 | Sistema de Cubija (North Vega System) | Spain | Cantabria | Matienzo | 14.26 | 22949 | 482.3 | 147 | Juan Corrin e-mail | 2023-01 |
- | 257 | Grotte de Neuvon | France | Cote-d'Or | Plom.-les-Dij. | 14.26 | 22949 | 114.8 | 35 | Liste des cavites naturelles les plus longues de France | 2022-06 |
- | 258 | Rimstone River Cave | USA | Missouri | Perry | 14.20 | 22852.68 | 140 | 42.67 | M.S.S. Walsh | 2015-02 |
259 | Burgunderschacht | Austria | Totes Gebirge | Steiermark | 14.16 | 22795 | 2782.2 | 848 | Lukas Plan email | 2024-06 | |
- | 260 | Bone - Norman Cave System | USA | West Virginia | Greenbrier | 14.12 | 22720.72 | 186 | 56.69 | Bill Douty e-mail | 1997-12 |
- | 261 | Conjunto Sao Mateus/Imbira | Brazil | Goias | Sao Domingos | 14.06 | 22630 | 0 | 0 | As Maiores Cavernas Do Basil | 2020-01 |
G | 262 | Kryshtaleva (Kristal'naja) | Ukraine | Ternopil | Borshchiv | 14.05 | 22610 | 66 | 20 | cavemlynky@gmail.com | 2017-09 |
- | 263 | Grotta della Bigonda | Italy | Trentino A.A. | Alt.di Asingo | 14.04 | 22600 | 1476.4 | 450 | Class.del.g.piu lunghe/profon.d'Italia | 2017-06 |
- | 264 | Riesending-Schachthohle | Germany | Bavaria | Untersgberg Mtns. | 14.04 | 22600 | 3769.7 | 1149 | Thomas Matthalm e-mail | 2019-08 |
- | 265 | Grotte d'Arphidia | France | Pyrenees-Atlantiques | Pierre Saint Martin | 14.03 | 22575 | 2336 | 712 | Jean-Yves Bigot | 2016-01 |
- | 266 | Pleasant Ridge Cave | USA | Tennessee | Cannon | 14.01 | 22551.74 | 340 | 103.63 | Hal Love email | 2016-12 |
- | 267 | Jenolan System | Australia | NSW | - | 13.98 | 22503 | 347.8 | 106 | Mark Sefton e-mail | 2016-07 |
- | 268 | Gouffre de Cabrespine (lo Gaugnas) | France | Aude | Montagne Noire | 13.98 | 22500 | 1653.5 | 504 | Liste des cavites naturelles les plus longues de France | 2022-06 |
- | 269 | Baishui Dong | China | Guizhou | Jiang Kou | 13.95 | 22450 | 0 | 0 | http://www.grottes-et-karsts-de-chine.org/npds/gkc_rcdev50.php? | 2016-08 |
UW | 270 | Sistema Ponderosa (Under Water & Dry) | Mexico | Quintana Roo | Tulum | 13.77 | 22167 | 93.2 | 28.4 | QRSS Long Caves List | 2019-07 |
- | 271 | Pestera din Pârâul Hodobanei | Romania | Bihor | Mtii Bihor | 13.76 | 22142 | 593.8 | 181 | Liviu Valenas e-mail | 2022-03 |
- | 272 | Abisso Bueno Fonteno | Italy | Lombardia | Fonteno | 13.67 | 22000 | 0 | 0 | Speleologia N68P102-103 | 2016-06 |
- | 273 | Rèseau de la Falconette | France | Auvergne-Rhone-Alpes | Bas-Bugey | 13.67 | 22000 | 1023.6 | 312 | Liste des cavites naturelles les plus longues de France | 2022-06 |
- | 274 | Sistema del Hoyon de Saco(Sistema del Hoyo Grande) | Spain | Cantabria | Porracolina | 13.55 | 21800 | 1738.8 | 530 | Clasificacion Por Desnivel | 2016-07 |
- | 275 | Krem Tyngheng/Diengjem | India | Meghalaya | Jaintia Hills | 13.53 | 21775 | 0 | 0 | Descent 243 P33 | 2017-06 |
- | 276 | Sistema del Rio Encantado | Puerto Rico | - | Florida,Ciales,Manati | 13.53 | 21770 | 1128.6 | 344 | Mark Minton e-mail | |
- | 277 | Krem KotSati/Um Lawan | India | Meghalaya | Jaintia Hills | 13.38 | 21530 | 705.4 | 215 | Indian Sub Coninent Longest/Deepest Limestone Caves 3/13 | 2009-07 |
- | 278 | Castleguard Cave | Canada | Alberta | Rockies | 13.24 | 21311 | 1259.8 | 384 | Canada Long and Deep Caves Assembled by Pat Shaw | 2022-08 |
- | 279 | Jaskyna Mrtvych netopierov ?? | Slovakia | Nizke Tatry | Dumbier | 13.08 | 21042 | 1063 | 324 | www.drienka.host.sk/najdlhsie.php | 1988-10 |
- | 280 | Tham Pha Soung System (Tham Hay) | Laos | Khammouane | Ban Phondou | 13.06 | 21012 | 232.9 | 71 | Liviu Valenas e-mail | 2009-07 |
- | 281 | Gaping Gill System | United Kingdom | England | Northern Dales | 13.05 | 21000 | 629.9 | 192 | www.ukcaves.co.uk/all-longest | 2018-02 |
- | 282 | Abisso Paolo Roversi | Italy | Toscana | Alpi Apuane | 13.05 | 21000 | 4461.9 | 1360 | web | 2022-01 |
- | 283 | Perte de Massar | France | Aveyron | Causse de Limogne | 13.05 | 21000 | 393.7 | 120 | Liste des cavites naturelles les plus longues de France | 2022-06 |
- | 284 | Rèseau Pleurachat-Doria | France | Auvergne-Rhone-Alpes | Prealpes | 13.00 | 20924 | 941.6 | 287 | Liste des cavites naturelles les plus longues de France | 2022-06 |
- | 285 | De Gamile Chine Xao (Chjine Xjo, Xine Xao) | Mexico | Oaxaca | - | 13.00 | 21000 | 1080 | 330 | Chris Andrews | 2019-03 |
L | 286 | Emesine Cave (1881 System) | USA | Hawaii | Hawaii | 12.89 | 20744.4 | 1433.1 | 436.8 | Don Coons e-mail | 2016-03 |
- | 287 | Cloud Cave - Cobra Cave - Bridge System | Malaysia | Sarawak | Mulu | 12.82 | 20632 | 1082.7 | 330 | Mulu Caves Project | 2021-10 |
- | 288 | Mystery Cave System | USA | Minnesota | Fillmore | 12.79 | 20583.51 | 101 | 30.78 | Minnesota Speleology | 1987-08 |
- | 289 | Pielklieng-Sielkan Pouk river cave | India | Meghalaya | Jaintia Hills | 12.75 | 20522 | 0 | 0 | Descent N275P15 | 2009-07 |
- | 290 | Selminum Tem | Papua New Guinea | Western Prov. | Hindenburg Rng | 12.74 | 20500 | 449.5 | 137 | B.C.R.A. Bulletin | |
- | 291 | Baradla-Barlang | Hungary | Borsod-Abaúj-Zemplén | Aggtelek Karst; | 12.74 | 20500 | 367.5 | 112 | www.ariadneegyesulet.hu | 2017-06 |
- | 292 | Anvil Cave (279) | USA | Alabama | Morgan | 12.67 | 20385.56 | 51 | 15.54 | Alabama Cave Survey | 1980-04 |
- | 293 | Gradys (Mammoth River) Cave System | USA | Kentucky | Hart | 12.60 | 20277.73 | 120 | 36.58 | Carbide Caver V7I9P111 | 1998-10 |
- | 294 | Sistemul Ciur - Ponor - Toplita de Rosia | Romania | Bihor | Mtii Padurea Craiului | 12.52 | 20150 | 748 | 228 | Victor Ursu e-mal | 2021-10 |
- | 295 | Grotte d'En Gorner | France | Pyrenees-Orientales | Conflent | 12.49 | 20100 | 137.8 | 42 | Liste des cavites naturelles les plus longues de France | 2022-06 |
- | 296 | Cave system of Crnelsko brezno | Slovenia | Julian Alps | Rombonski Podi | 12.47 | 20066 | 4570.2 | 1393 | Peter Svete e-mail | 2021-10 |
- | 297 | Cueva del Tornero | Spain | Guadalajara | Alto Tajo | 12.43 | 20000 | 0 | 0 | Jose Luis Membrado e-mail | 20223-04 |
- | 298 | Aven Noir | France | Aveyron | Grands Causses | 12.43 | 20000 | 557.7 | 170 | Liste des cavites naturelles les plus longues de France | 2022-06 |
- | 299 | Reseau Fanges - Paradet | France | Pyrenees-Orientales | Fenouilledes | 12.28 | 19763 | 990.8 | 302 | Bernard Ournie e-mail | 2021-05 |
- | 300 | Dry Cave | USA | New Mexico | Eddy | 12.22 | 19669.4 | 279 | 85.04 | Stan Allison via Pete | 2016-03 |
- | 301 | SchrattenHoehle | Switzerland | Obwalden | Kerns | 12.21 | 19645 | 1879.9 | 573 | http://ch.speleo.info | 2009-07 |
- | 302 | Stagebarn Crystal Cave | USA | South Dakota | Meade | 12.15 | 19553.5 | 383.6 | 116.92 | Derek Wolfe e-mail | 2023-11 |
303 | Woising-Höhlensystem | Austria | Totes Gebirge | Stmk/OÖ | 12.13 | 19529 | 2194.9 | 669 | Lukas Plan email | 2024-06 | |
- | 304 | Ellisons Cave | USA | Georgia | Walker | 12.13 | 19516.51 | 1063 | 324 | Georgia Underground V24N1 | 1987-03 |
- | 305 | Lingshandong | China | Guizhou | Zhengan | 11.99 | 19301 | 1591.2 | 485 | Long Caves in China by Erin Lynch | 2016-01 |
- | 306 | Torca de los Corrales del Trillo (Sistema Pena del Trillo-La Tramasquera) | Spain | Cantabria / Burgos | - | 11.99 | 19300 | 1430.4 | 436 | Clasificacion Por Desnivel | 2016-07 |
- | 307 | Wit Tamdoun | Morocco | Agadir | Immouzer | 11.89 | 19128 | 0 | 0 | Caves & Caving I84 | |
- | 308 | Sistema del Faro-Isla de Mona | Puerto Rico | Isla de Mona | Mayaguez | 11.87 | 19100 | 118.1 | 36 | Marc Ohms e-mail | 2017-04 |
- | 309 | Borne aux Cassots | France | Jura | Nevy-sur-Seile | 11.85 | 19072 | 472.4 | 144 | Liste des cavites naturelles les plus longues de France | 2022-06 |
- | 310 | Ariadne Cave System | Hungary | Borsod-Abaúj-Zemplén | North-Central Mountains | 11.81 | 19000 | 669.3 | 204 | www.ariadneegyesulet.hu | 2017-06 |
- | 311 | Feihu Dong | China | Hunan | Longshan | 11.81 | 19000 | 1115.5 | 340 | http://www.grottes-et-karsts-de-chine.org/npds/gkc_gro.php?op=deve | 2015-02 |
- | 312 | Cueva del Nacimiento | Spain | Cantabria | Picos de Europa | 11.80 | 18925 | 1758.2 | 536 | Jose Luis Membrado e-mail | 2024-12 |
- | 313 | Rede Toneyo | Spain | Asturias | Macizo del Cornion | 11.79 | 18970 | 2014.4 | 614 | List of Spains Longest & Deepest (WWW) | 1998-04 |
- | 314 | Hang khe Rhy | Vietnam | Quang Binh | Phong Nha-Ke Bang | 11.76 | 18920 | 393.7 | 120 | Peter MacNab e-mail | 2008-07 |
UW | 315 | Cathedral-Falmouth System | USA | Florida | Suwannee | 11.74 | 18893.7 | 429.1 | 130.8 | Andrew Pitkin e-mail | 2022-01 |
- | 316 | Cueva del Hoyo Salcedillo | Spain | Cantabria | Porracolina | 11.68 | 18800 | 1745.4 | 532 | Jose Luis Membrado e-mail | 2015-02 |
- | 317 | Russell Cave (N.M.) (169) | USA | Alabama | Jackson | 11.61 | 18675.71 | 405.8 | 123.7 | Jason Richards | 2017-11 |
- | 318 | Wells Cave | USA | Kentucky | Pulaski | 11.50 | 18501.02 | 0 | 0 | NSS News V57N10P308 | 1999-10 |
L | 319 | Cueva del Viento-cueva del Sobrado | Spain | Canarias Island | Tenerife Is. | 11.50 | 18500 | 1837.3 | 560 | Jose Luis Membrado e-mail | 2-2020 |
- | 320 | Complesso Mutera - Fantozzi | Italy | Piemonte | Ormea | 11.44 | 18403 | 0 | 0 | Speleologia N68P102-103 | 2016-06 |
- | 321 | ARGO Cave System | Canada | BC | Vancouver Island | 11.43 | 18401 | 1332 | 406 | Canada Long and Deep Caves Assembled by Pat Shaw | 2022-08 |
- | 322 | Rhar Bou Ma'za (Tafna River Cave) | Algeria | Terni | Tlemcen range | 11.43 | 18400 | 0 | 0 | Atlas - Great Caves of the World | 2017-06 |
UW | 323 | Beacon Woods - Waynes World System (School Sink) | USA | Florida | Pasco | 11.36 | 18288.59 | 160 | 48.77 | Die langsten Unterwasserhohlensysteme der welt, Oliver Knab | 2016-06 |
- | 324 | Igues de Goudou - Lacarriere | France | Lot | Causse de Gramat | 11.36 | 18285 | 413.4 | 126 | Liste des cavites naturelles les plus longues de France | 2022-06 |
- | 325 | Krem UmTHLOO-SYNRANG Labbit | India | Meghalaya | Jaintia Hills | 11.33 | 18234 | 616.8 | 188 | Descent N275P15 | |
Q | 326 | Cueva del Saman | Venezuela | Edo Zulia | Fundo las Pis. | 11.31 | 18200 | 0 | 0 | Franco Urbani | 2017-06 |
- | 327 | Luweng Jaran System | Indonesia | Java Timur | Pacitan | 11.31 | 18200 | 393.7 | 120 | Caves of Malaysia | 2017-06 |
- | 328 | Duhlata (D(a)(ou)hklata) | Bulgaria | Pernik | Vitoshaq | 11.31 | 18200 | 229.7 | 70 | Caves of Bulgaria | 2016-07 |
- | 329 | Reseau de Malissard | France | Isere / Savoie | Chartreuse | 11.28 | 18160 | 1361.5 | 415 | Liste des cavites naturelles les plus longues de France | 2022-06 |
- | 330 | Gouffre des Vitarelles | France | Occitanie/Lot/Gramat | Gramat | 11.28 | 18156 | 462.6 | 141 | Liste des cavites naturelles les plus longues de France | 2022-06 |
- | 331 | Pestera de la Izvorul Tausoare | Romania | Bistrita-Nasaud | Mtii Rodnei | 11.25 | 18107 | 1512.5 | 461 | Victor Ursu e-mal | 2021-10 |
- | 332 | Ambatoharanana | Madagascar | Ambilobe | Ankarana | 11.25 | 18100 | 0 | 0 | Atlas - Great Caves of the world | |
- | 333 | Cueva de Mairuelegorreta | Spain | Araba | Gorbea | 11.24 | 18088 | 0 | 0 | Jose Luis Membrado e-mail | 2018-08 |
- | 334 | Crumps Spring Cave | USA | Kentucky | Hart | 11.20 | 18025 | 140 | 42.67 | Ronnie Harrison e-mail | 2019-03 |
- | 335 | Grotte de Gournier | France | Isere | Vercors | 11.19 | 18000 | 2231 | 680 | Liste des cavites naturelles les plus longues de France | 2022-06 |
- | 336 | Goochland - Poplar Cave Complex | USA | Kentucky | Rockcastle | 11.18 | 17992.47 | 0 | 0 | Kentucky Speleo-Fest Guidebook | 2016-06 |
- | 337 | Stefanova | Slovakia | Nizke Tatry | Demanovske vrchy | 11.17 | 17981 | 423.2 | 129 | Pavel Herich e-mail | 2016-07 |
- | 338 | Predjamski sistem | Slovenia | - | - | 11.15 | 17945 | 551.2 | 168 | Long Cave List | 2019-09 |
- | 339 | Sistema sima GESM - sima de la Luna | Spain | Malaga | Tolox | 11.15 | 17940 | 3602.4 | 1098 | Jose Luis Membrado e-mail | 2022-03 |
Q | 340 | Charles Brewer Cave System (Quartzite) | Venezuela | Bolivar | Churi Tepui | 11.06 | 17800 | 361 | 110 | Venezuelan tepuis-their caves and biota | 2018-02 |
- | 341 | Peak/Speedwell System (part mine) | United Kingdom | England | Derbyshire | 11.03 | 17750 | 813.6 | 248 | www.ukcaves.co.uk/all-longest | 2016-07 |
- | 342 | Tanne aux Cochons - Tanne Froide | France | Savoie | margeriaz | 11.00 | 17694 | 2700 | 825 | Liste des cavites naturelles les plus longues de France | 2022-06 |
- | 343 | Chu Yan (Xiniu) Dong | China | Guizhou | An Long | 10.94 | 17600 | 1164.7 | 355 | http://www.grottes-et-karsts-de-chine.org/npds/gkc_rcdev50.php? | 2017-06 |
- | 344 | Lazareva Cave | Serbia | Central Serbia | Bor | 10.87 | 17501 | 354.3 | 108 | Robert Misic | 2024-09 |
- | 345 | Sistema de Partacua | Spain | Huesca | Pirineos | 10.83 | 17427 | 2706.7 | 825 | Jose Luis Membrado e-mail | 2018-08 |
- | 346 | Grotta del Bue Marino | Italy | Sardinia | Dorgali | 10.81 | 17400 | 0 | 0 | Speleologia N68P102-103 | 2016-06 |
- | 347 | Aven du Sotch de la Tride | France | Aveyron | Grands Causses | 10.81 | 17400 | 1122 | 342 | Liste Drouin | 2017-06 |
- | 348 | Reseau du Rupt du Puits | France | Meuse | Barrois | 10.81 | 17400 | 164 | 50 | Liste des cavites naturelles les plus longues de France | 2022-06 |
L | 349 | Kona Mala Cave | USA | Hawaii | Hawaii | 10.78 | 17341 | 185.4 | 56.5 | Tomislav Gracanin files | 2014-01 |
- | 350 | Portal-BoarHole System (Boartal) | USA | West Virginia | Greenbrier | 10.72 | 17252.17 | 333 | 101.5 | WVACS | 2022-01 |
- | 351 | Blowhole (Nichole's) Cave | USA | Tennessee | Cannon | 10.71 | 17233.9 | 172 | 52.43 | Derek Wolfe e-mail | 2020-02 |
- | 352 | Sima del Aire | Spain | Malaga | Sierra de las Nieves | 10.70 | 17218 | 2362.2 | 720 | Jose Luis Membrado e-mail | 2025-01 |
- | 353 | Duobing Dong | China | Guizhou | Xiuwen/Xifeng | 10.69 | 17210 | 0 | 0 | http://www.grottes-et-karsts-de-chine.org/npds/gkc_rcdev50.php? | 2015-02 |
- | 354 | Sistema la Verdilluenga | Spain | Asturias | Picos de Europa | 10.69 | 17196 | 2969.2 | 905 | Jose Luis Membrado e-mail | 2017-11 |
- | 355 | Tham Chom Ong System | Laos | Xai | Oudoaxay | 10.66 | 17150 | 0 | 0 | Eurospeleo Magazine N2P66 | 2009-07 |
- | 356 | Conjunto Santa Rita | Brazil | Iraquara | Bahia | 10.59 | 17050 | 0 | 0 | As Maiores Cavernas Do Basil | 2020-01 |
- | 357 | Cueva Tonio - Cayueia | Spain | Cantabria | Porracolina | 10.57 | 17005 | 1729 | 527 | Jose Luis Membrado e-mail | 2019-09 |
- | 358 | Neide - Muruk Cave | Papua New Guinea | New Britain | Galowe Plateau | 10.56 | 17000 | 4127.3 | 1258 | Deep Cave List by Philippe Drouin | |
- | 359 | Complesso Ispinigoli - S.Giovanni Su Anzu-Nurachi | Italy | Sardinia | Dorgali | 10.56 | 17000 | 0 | 0 | Speleologia N68P102-103 | 2016-06 |
- | 360 | Katalehkhor Cave | Iran | Zanjan | - | 10.56 | 17000 | 0 | 0 | - | |
- | 361 | Petroglyph Cave (part of the Caves Branch S.) | Belize | - | - | 10.56 | 17000 | 0 | 0 | Tom Miller e-mail | 2016-01 |
UW | 362 | Cenote Zapote | Mexico | Quintana Roo | Tulum | 10.42 | 16768 | 92 | 28 | QRSS Long Caves List | 2019-07 |
- | 363 | Aven de la Leicasse | France | Herault | Grands Causses | 10.27 | 16530 | 1168 | 356 | Jean-Yves Bigot | 2016-01 |
- | 364 | Lapa Doce ll | Brazil | Iraquara | Bahia | 10.25 | 16500 | 0 | 0 | As Maiores Cavernas Do Basil | 2020-01 |
- | 365 | James (Thousand Domes) Cave | USA | Kentucky | Edmonson | 10.25 | 16495.78 | 0 | 0 | Glenn Merrill | 1984-07 |
- | 366 | Kolkina Dupka | Bulgaria | Sofia | Balkan Mountains | 10.24 | 16471 | 1778.2 | 542 | Wikipedia | 2022-08 |
- | 367 | Reseau de la Couze (Correze) | France | Correze | Causse de Martel | 10.21 | 16426 | 337.9 | 103 | Thierry Apriland via Yvonne e-mail | 2016-01 |
Q | 368 | Sistema Roraima Sur | Venezuela | - | - | 10.19 | 16400 | 236.2 | 72 | 2009 NSS/ICS Kerrville Texas | |
- | 369 | Sustav Dulin ponor - Medvedica | Croatia | Hrvatska | Ogulin | 10.19 | 16396 | 272.3 | 83 | http://public.srce.hr/speleo/karta.html | 2017-06 |
- | 370 | Gruta do Padre | Brazil | Bahia | Santana | 10.18 | 16390 | 0 | 0 | As Maiores Cavernas Do Basil | 2020-01 |
- | 371 | Lapa São Vicente l | Brazil | Goias | Sao Domingos | 10.18 | 16390 | 0 | 0 | As Maiores Cavernas Do Basil | 2020-01 |
- | 372 | Pestera din Valea Rea | Romania | Bihor | Mtii Bihor | 10.16 | 16357 | 1220.5 | 372 | Victor Ursu e-mal | 2022-03 |
- | 373 | Silvertip Cave System | USA | Montana | Flathead | 10.16 | 16350.94 | 997.4 | 304 | Jason Ballensky e-mail | 2022-05 |
UW | 374 | Sistema Doggi | Mexico | Quintana Roo | Felipe Carrillo Puerto | 10.13 | 16307.8 | 50.9 | 15.5 | QRSS Long Caves List | 2019-07 |
- | 375 | Tham Kon Nam/Tham Hang Phung/Tham Luong | Laos | Boualapha | Khammouane | 10.13 | 16300 | 164 | 50 | Peter MacNab FB | 2009-07 |
G | 376 | Sistema Kulogorskaya-Troya . | Russia | Arkhangelsk | Pinega | 10.10 | 16248 | 59.1 | 18 | Karst and cave Pinega's - Victor Malkov, Evgeny Gurkalo | 2017-06 |
- | 377 | Blauhòhlensystem | Germany | Badem-Wurittenburg | - | 10.05 | 16180 | 0 | 0 | Kurt Kohler e-mail | 2016-12 |
378 | Kimble Pit Cave | USA | West Virginia | Pendelton | 10.03 | 16141.7 | 428 | 130.5 | GVKS(Germany Valley Karst Survey), WVASS | 2024-12 | |
Q | 379 | Ojos Cristal Cave System (Crystal Eyes) (Quartzite) | Venezuela | Bolivar | Roraima Tepui | 10.03 | 16140 | 240 | 73 | Venezuelan tepuis-their caves and biota | |
- | 380 | Sarah Furnace (Porter's) Cave | USA | Pennsylvania | Clarion | 10.01 | 16.12 | 21 | 6.4 | Bert Ashbrook e-mail | 2025-01 |
- | 381 | Vinegar Ridge (Buckingham Palace) Cave | USA | Kentucky | Hart | 10.00 | 16093 | 211 | 64.31 | Ronnie Harrison e-mail | 2019-03 |
- | 382 | Hidden River Cave | USA | Kentucky | Hart | 10.00 | 15871.76 | 0 | 0 | Dave West email | 2024-07 |
- | 383 | Perkins Cave | USA | Virginia | Washington | 10.00 | 16088.61 | 300 | 91.44 | Virginia Speleological Survey | 2016-06 |
- | 384 | Krubera (Voronja) Cave | Georgia | Abkhazia | West Caucasus | 9.98 | 16058 | 7214.6 | 2199 | Web | 2017-06 |
G | 385 | Aven Lacas | France | Occitanie | - | 9.97 | 16051 | 1332 | 406 | Liste des cavites naturelles les plus longues de France | 2022-06 |
L | 386 | Pahoa Cave(s) (segmentation??) | USA | Hawaii | Hawaii | 9.94 | 16000.1 | 1149.9 | 350.5 | Dr. Stephen Smith reports that this cave could be as short as about 2 miles long now, due to plugging and segmentation by the 2018 Kilauea 61g lava flows. | 2016-05 |
- | 387 | Dan yr Ogof | United Kingdom | Wales | Powys | 9.94 | 16000 | 492.1 | 150 | www.ukcaves.co.uk/all-longest | 2016-01 |
- | 388 | Complesso Cappa-18-Denver-Straldi | Italy | Piemonte | Briga Alta | 9.94 | 16000 | 2559.1 | 780 | Speleologia N68P102-103 | 2016-06 |
- | 389 | Poulnagollum - Poulelva | Ireland | South Wales | Co. Clare | 9.94 | 16000 | 459.3 | 140 | www.ukcaves.co.uk/all-longest | |
UW | 390 | Luraville / Telford System | USA | Florida | Suwanee | 9.94 | 15991.64 | 72 | 21.95 | Andy Higgie e-mail | 2022-02 |
- | 391 | Snail Shell Cave System | USA | Tennessee | Rutherford | 9.93 | 15974.35 | 144 | 43.89 | Jeff Sims | 1986-07 |
UW | 392 | Sistema Poloma | Belize | Ambergris Caye | 9.89 | 15916.4 | 115.3 | 35.1 | Arielle Ginsberg email | 2023-11 | |
- | 393 | Dunbar Cave - Roy Woodard System (Saltpeter) | USA | Tennessee | Montgomery | 9.85 | 15852.04 | 119 | 36.27 | Tony Groves e-mail | 2016-09 |
UW | 394 | Entrada Caapechen (Cenote Manatee) | Mexico | Quintana Roo | Tulum | 9.72 | 15638 | 91.9 | 28 | QRSS Long Caves List | 2019-07 |
G | 395 | Évent de Rognès | France | Occitanie | - | 9.69 | 15600 | 91.9 | 173 | Liste des cavites naturelles les plus longues de France | 2022-06 |
- | 396 | Sullivan Cave | USA | Indiana | Lawrence | 9.63 | 15501.2 | 105 | 32 | Long cave list for Indiana, Indiana Cave Survey | 2017-03 |
- | 397 | Big Bone Cave (Saltpeter) | USA | Tennessee | Van Buren | 9.63 | 15493.15 | 226 | 68.88 | John Smyre | 1984-06 |
- | 398 | Sistema de las Bernias | Spain | Burgos | Lunada | 9.60 | 15469 | 905.5 | 276 | Jose Luis Membrado email | 2024-06 |
UW | 399 | Springs Cave, Jackson Blue | USA | Florida | Jackson | 9.59 | 15436 | 100.1 | 30.5 | Ben Martinez e-mail | 2018-04 |
- | 400 | Cueva de la Cullalvera | Spain | Cantabria | Ramales de la Victoria | 9.59 | 15433 | 524.9 | 160 | Jose Luis Membrado e-mail | 2023-07 |
- | 401 | Leandras Cave | USA | Arizona | Coconino | 9.55 | 15364.41 | 378 | 115.21 | map at park Headquarters via Greg e-mail | 2016-06 |
- | 402 | Hang Vom | Vietnam | Quang Binh | Phong Nha-Ke Bang | 9.51 | 15310 | 0 | 0 | Peter MacNab e-mail | 2008-07 |
- | 403 | Boqueirão | Brazil | Bahia | Carinhanha | 9.47 | 15240 | 0 | 0 | As Maiores Cavernas Do Basil | 2020-01 |
- | 404 | Boybuloq (Boylok) | Uzbekistan | Uzbekistan | Gissaro-Alay | 9.45 | 15212 | 4690 | 1430 | Primož Jakopin email | 2024-04 |
- | 405 | Cueva de Alpazat | Mexico | Puebla | - | 9.45 | 15200 | 0 | 0 | http://www.amcs-pubs.org/longanddeep.html | 2016-01 |
- | 406 | Kacna Cave (System) | Slovenia | Divaski Karst | - | 9.43 | 15181 | 918.6 | 280 | Longest & Deepest Caves of Slovenia | 2016-09 |
- | 407 | Tham Xe Bang Fai | Laos | Khammouane | Thakhek | 9.43 | 15180 | 0 | 0 | Caves of Malaysia | 2009-07 |
- | 408 | Sof Omar Holluca | Ethiopia | Bale | Ityopya | 9.38 | 15100 | 49.2 | 15 | Atlas - Great Caves of the World | |
- | 409 | Megamania Cave | New Zealand | South Island | Heaphy Valley | 9.33 | 15007 | 0 | 0 | Lindsay Main NZ Speleological Soc. Info Officer | 2022-08 |
- | 410 | Complesso Omber en Banda al Bus del Zel-791 | Italy | Lombardia | Cariadeghe | 9.32 | 15000 | 1410.8 | 430 | http://www.Class.del.g.piulunghe/profon.d'Italia | 2017-06 |
- | 411 | Gratta Su Bentu - Sa Oche | Italy | Sardinia | Nuoro | 9.32 | 15000 | 0 | 0 | http://www.Class.del.g.piulunghe/profon.d'Italia | 2017-06 |
- | 412 | Grotte de la Cigalere | France | Ariege | Pyrenees | 9.32 | 15000 | 748 | 228 | Philippe Audra (Spelunca N66) | 2017-06 |
- | 413 | Sistema Constantino | Cuba | Pinar del Rio | - | 9.32 | 15000 | 0 | 0 | WLCL | |
- | 414 | Ozto J2 | Mexico | Oaxaca | Cuicatlan | 9.22 | 14840 | 4032.2 | 1229 | Mark Minton e-mail | 2016-01 |
- | 415 | Kimble Pit | USA | West Virginia | Pendleton | 9.22 | 14838.15 | 427 | 130.14 | Corey Hackley e-mail | 2021-11 |
- | 416 | Cueva del Lobo | Spain | Cantabria | - | 9.18 | 14780 | 931.8 | 284 | Jose Luis Membrado e-mail | 2016-01 |
UW | 417 | Sistema Dos Pisos | Mexico | Quintana Roo | Tulum | 9.17 | 14756 | 80.1 | 24.4 | QRSS Long Caves List | 2019-07 |
- | 418 | Ludingtons Cave | USA | West Virginia | Greenbrier | 9.14 | 14709.4 | 250 | 76.2 | Joseph Caldwell l | 2016-01 |
- | 419 | Diros Cave | Greece | Peloponnese | Laconia | 9.13 | 14700 | 196.9 | 60 | Panagiotis Papadakos email | 2024-10 |
420 | Hochscharten-Höhlensystem | Austria | Hoher Göll | Salzburg | 9.11 | 14668 | 4573.5 | 1394 | Lukas Plan email | 2024-06 | |
- | 421 | Wyandotte Cave | USA | Indiana | Crawford | 9.10 | 14645.03 | 256 | 78.03 | Long cave list for Indiana, Indiana Cave Survey | 2017-03 |
- | 422 | Rice Cave (Saltpeter) | USA | Tennessee | Van Buren | 9.10 | 14645 | 210 | 64.01 | Tenn.Cave Survey | 2021-10 |
- | 423 | Complejo Piscarciano-Vacas-Arenas | Spain | Burgos | Haz de Arreba | 9.10 | 14642 | 0 | 0 | Jose Luis Membrado e-mail | 2021-02 |
UW | 424 | Cova de sa Gleda - Camp des Pou. | Spain | Balearics | Manacor | 9.08 | 14620 | 82 | 25 | Jose Luis Membrado e-mail | 2021-03 |
- | 425 | Systeme de Sauvas-Cocaliere | France | Ardeche | Bas-Vivarais | 9.01 | 14500 | 292 | 89 | Jean-Yves Bigot | 2016-01 |
- | 426 | Skydusky Hollow Cave System (Newberry - Bane - Buddy Penley Cave) | USA | Virginia | Bland | 9.00 | 14484.1 | 380 | 115.82 | Ed Devine | 2021-11 |
UW | 427 | Pozo Azul | Spain | Burgos | Covanera | 8.96 | 14415 | 232.9 | 71 | Jose Luis Membrado e-mail | 2021-03 |
- | 428 | Dry Cave | USA | West Virginia | Greenbrier | 8.95 | 14403.63 | 314 | 95.71 | Socky | 2022-11 |
- | 429 | Duncan Field System | USA | Oklahoma | Adair | 8.92 | 14355.35 | 124 | 37.8 | Keith (Andy) Harris e-mail | 2017-04 |
- | 430 | Punta Pena System (Cueva de la Lastrilla, Cubilla, Jabali) | Spain | Cantabria | Castro Urdiales | 8.90 | 14317 | 797.2 | 243 | Pedro Antonio Diaz Hoz e-mail | 2022-01 |
- | 431 | Falls Cave | USA | Arizona | Coconino | 8.87 | 14271 | 258.3 | 78.7 | Paul Burger | 2023-02 |
UW | 432 | Sistema Murena - Aak Kimin | Mexico | Quintana Roo | Tulum | 8.87 | 14268.6 | 225.1 | 68.6 | QRSS Long Caves List | 2019-07 |
- | 433 | Fuchslabyrinth | Germany | Badem-Wurittenburg | - | 8.86 | 14261 | 0 | 0 | Andreas Wolf List of Longest Caves in Germany | 2016-12 |
- | 434 | Synrang Pamiang | India | Meghalaya | - | 8.80 | 14157 | 1040 | 317 | BCRA I12P16 | |
435 | Tonion-Höhlensystem | Austria | Tonion | Steiermark | 8.79 | 14140 | 1902.9 | 580 | Lukas Plan email | 2024-06 | |
- | 436 | Slaughter Stream Cave | United Kingdom | South Wales | Forest of Dean | 8.70 | 14000 | 328.1 | 100 | Eric Madelanine list | 2006-07 |
- | 437 | Complejo Gesarribe | Spain | Guipuzkoa | Oñati | 8.70 | 14000 | 0 | 0 | Jose Luis Membrado e-mail | 2021-02 |
- | 438 | Apocalypse Pothole | South Africa | Western Transvaal | Carletonville | 8.70 | 14000 | 278.9 | 85 | Eric Madelanine list | 2006-07 |
- | 439 | gruta de Almonda | Portugal | - | - | 8.70 | 14000 | 0 | 0 | Eric Madelanine list | 2016-01 |
- | 440 | Labassa | Italy | - | - | 8.70 | 14000 | 1988.2 | 606 | Eric Madelanine list | 2006-07 |
- | 441 | Tapolcai-Barlangrendszer | Hungary | - | - | 8.70 | 14000 | 114.2 | 34.8 | www.ariadneegyesulet.hu | 2017-06 |
- | 442 | K2, Hohgant | Switzerland | Bern | Habkern | 8.70 | 13996 | 2431.1 | 741 | http://ch.speleo.info | 2009-07 |
- | 443 | Webster Cave Complex | USA | Kentucky | Breckenridge | 8.68 | 13972.32 | 0 | 0 | Ben Tobin WCCSG e-mail | 2016-06 |
- | 444 | Rèseau de la Grotte des Chamois | France | Alpes-Côte d'Azur | Alpes du Sud | 8.64 | 13900 | 0 | 390 | Liste des cavites naturelles les plus longues de France | 2022-06 |
445 | Altherrenlabyrinth | Austria | Tennengebirge | Salzburg | 8.62 | 13876 | 1295.9 | 395 | Lukas Plan email | 2024-06 | |
- | 446 | Cassell Cave System | USA | West Virginia | Pocohontas | 8.62 | 13872.55 | 140 | 42.67 | Gangsta Mappers | 2017-10 |
- | 447 | Thompson Valley Cave System (Corkscrew Cave) | USA | Virginia | Tazewell | 8.60 | 13841 | 603.7 | 184 | VSS | 2019-11 |
- | 448 | Yorkshire Pot | Canada | AB/BC | Rockies | 8.58 | 13812 | 1276.2 | 389 | Canada Long and Deep Caves Assembled by Pat Shaw | 2022-08 |
- | 449 | Tham Phra Wang Daeng | Thailand | Phitsanulok | Noen Maprang | 8.57 | 13789 | 429.8 | 131 | Martin Ellis e-mail | 2023-03 |
- | 450 | AIXA-Ibarrengo | Spain | Guipuzkoa | Itziar | 8.55 | 13754 | 0 | 0 | Jose Luis Membrado e-mail | 2021-02 |
- | 451 | Rèseau d'Ardengost | France | Occitanie | Pyrenees | 8.53 | 13720 | 0 | 440 | Liste des cavites naturelles les plus longues de France | 2022-06 |
- | 452 | Anjohy Kibojenjy | Madagascar | Bemaraha | Bekopaka | 8.52 | 13717 | 0 | 0 | Atlas of the Great Caves and Karst of Africa Part 1 P164 | 2009-07 |
- | 453 | HH Cave (Honeycomb Hill) | New Zealand | South Island | Mt Arthur | 8.52 | 13712 | 2365.5 | 721 | Lindsay Main NZ Speleological Soc. Info Officer | 2016-01 |
- | 454 | Acme Quarry Cave System | USA | West Virginia | Greenbrier | 8.45 | 13600.57 | 241 | 73.46 | Ron Fulcher e-mail | 2016-07 |
- | 455 | Torca de la Llana de Len | Spain | Cantabria | Porracolina | 8.45 | 13603 | 2047.2 | 624 | Jose Luis Membrado e-mail | 2023-04 |
- | 456 | Tham Lom-Tham Nam System | Thailand | Chiang Mai | Chiang Dao | 8.41 | 13541 | 577.4 | 176 | Martin Ellis e-mail | 2016-09 |
- | 457 | Sistema del Alto Bueras | Spain | Cantabria | Bueras Voto | 8.40 | 13515 | 433.1 | 132 | Pedro Antonio Diaz Hoz e-mail | 2022-01 |
C | 458 | Cova Cuberes (Conglomerate) | Spain | Catalonia | Pallars Jussa | 8.40 | 13513 | 1076.1 | 328 | Jordi Lloret-Prieto e-mail | 2016-03 |
- | 459 | Complesso di Conca delle Carsene | Italy | - | - | 8.39 | 13500 | 2490.2 | 759 | www.sop.inria.fr/agos-sophia/sis/DB/ | 2017-04 |
UW | 460 | Sistema Camilo | Mexico | Quintana Roo | Tulum | 8.35 | 13442 | 82 | 25 | QRSS Long Caves List | 2019-07 |
- | 461 | Orlova Chouka (Eagle Hammer) | Bulgaria | Ruse | Danubian Plane | 8.35 | 13437 | 39.4 | 12 | Eric Madelanine list | 2006-07 |
- | 462 | Tham Thon-Tham Houey Sam Boun | Laos | Khammouane | Thakhek | 8.27 | 13309 | 0 | 0 | Caves of Malaysia | |
UW | 463 | Sistema Nohoch Sac Tatich | Mexico | Quintana Roo | Tulum | 8.24 | 13266 | 46.9 | 14.3 | QRSS Long Caves List | 2021-01 |
- | 464 | Cueva de el Tobazo | Spain | Cantabria | Valderredible | 8.24 | 13256 | 0 | 0 | Pepe Membrado e-mail | 2025-01 |
- | 465 | Hudgill Burn Mine Caverns (part mine) | United Kingdom | - | Northern Dales | 8.23 | 13244 | 196.9 | 60 | www.ukcaves.co.uk/all-longest | 2021-05 |
UW | 466 | Sistema Sac Kai (Paachi Nah) | Mexico | Quintana Roo | Tulum | 8.21 | 13209 | 51 | 15.5 | QRSS Long Caves List | 2019-07 |
- | 467 | Sysème souterrain de I'Hyder | France | Occitanie | - | 8.20 | 13200 | 1981.6 | 604 | Liste des cavites naturelles les plus longues de France | 2022-06 |
- | 468 | Corra-Lynn | Australia | - | - | 8.20 | 13200 | 124.7 | 38 | Eric Madelanine list | 2006-07 |
- | 469 | Bowman's Pit - Skert Well | USA | Kentucky | Wayne | 8.20 | 13196.62 | 226 | 68.88 | Lee Florea e-mail | 2019-07 |
C | 470 | Longmen Dong (Conglomerate) | China | Sichuan | Yaan | 8.20 | 13190 | 1168 | 356 | www.hongmeigui.net/deepandlong.php | 2017-04 |
- | 471 | Cuyler Cave | USA | Tennessee | Sevier | 8.16 | 13132.25 | 300 | 91.44 | Steve Pierce | 1986-07 |
- | 472 | Gutschtobelhöhle | Switzerland | Muotathal | SZ | 8.14 | 13096 | 2063.6 | 629 | Eric Madelanine list | 2009-07 |
- | 473 | Sistema Yaxchen East | Mexico | - | - | 8.13 | 13090 | 0 | 0 | Eric Madelanine list | 2006-07 |
- | 474 | Špiljski sustav Panjkov ponor - Muškinja - Varicakova | Croatia | Nova Kršija | Kurdun | 8.11 | 13052 | 0 | 0 | Aida Barišic e-mail | 2022-06 |
- | 475 | Wolf River (Jaguar) Cave (Saltpeter) | USA | Tennessee | Fentress | 8.10 | 13042.12 | 221 | 67.36 | Kristen Bobo e-mail | 2016-10 |
- | 476 | Blanchard Springs Cave | USA | Arkansas | Stone | 8.10 | 13035.69 | 89.9 | 27.4 | Dave Bunnell | 2001-05 |
- | 477 | Climax Cave | USA | Georgia | Decatur | 8.10 | 13035.69 | 80 | 24.38 | Map | 2016-05 |
- | 478 | Sistema de Pozalaqgua | Spain | Burgos/Araba | Sierra Salvada | 8.10 | 13036 | 0 | 0 | Jose Luis Membrado e-mail | 2021-02 |
- | 479 | Herbstlabyrinth-Adventhöhle-system | Germany | Hesse | - | 8.08 | 13010 | 301.8 | 92 | Andreas Wolf List of Longest Caves in Germany | |
- | 480 | Festival'naya-Ledopadnaya (Dark Star) | Uzbekistan | - | - | 8.08 | 13000 | 3080.7 | 939 | Olaf Kähler e-mail | 2018-02 |
- | 481 | Sistema de Joblegòn | Spain | Cantabria | Reocin | 8.08 | 13000 | 0 | 0 | Jose Luis Membrado e-mail | 2021-02 |
- | 482 | Okshola-Kristihola | Norway | - | Fauske | 8.08 | 13000 | 0 | 0 | David stPierre | 2016-06 |
- | 483 | Cueva del Rio La Venta | Mexico | - | - | 8.08 | 13000 | 1410.8 | 430 | Eric Madelanine list | 2006-07 |
- | 484 | Complesso (Sotterranceo) del Col Delle Erbe | Italy | Friuli VG | Canin Massif | 8.08 | 13000 | 3067.6 | 935 | http://www.Class.del.g.piulunghe/profon.d'Italia | 2017-06 |
- | 485 | Aven de la Combe Rajeau | France | Auvergne-Rhone-Alpes | - | 8.08 | 13000 | 820.2 | 250 | Liste des cavites naturelles les plus longues de France | 2022-06 |
- | 486 | Gouffre Mirolda / Lucien Bouclier | France | Haute Savoie | Samoens | 8.08 | 13000 | 5685.7 | 1733 | Philippe Audra (Spelunca N66) | 2017-06 |
- | 487 | Tanne des Pra d'Zeures T075 | France | Haute Savoie | Tournette | 8.08 | 13000 | 3766 | 1148 | Liste des cavites naturelles les plus longues de France | 2022-06 |
- | 488 | Rèseau Trou qui Fume - Grotte des Duffaits | France | Nouvelle-Aquitaine | - | 8.08 | 13000 | 131.2 | 40 | Liste des cavites naturelles les plus longues de France | 2022-06 |
- | 489 | Cueva del Carcabon | Spain | Cantabria | Sierra de Homijo | 8.07 | 12992 | 0 | 0 | Jose Luis Membrado e-mail | 2022-08 |
- | 490 | Powder Mill Creek Cave | USA | Missouri | Shannon | 8.05 | 12950.39 | 103 | 31.39 | M.S.S. Baker | 2015-02 |
- | 491 | Rèseau Median du clos d'Aspres | France | - | - | 8.05 | 12950 | 2345.8 | 715 | Eric Madelanine list | 2006-07 |
- | 492 | Sistema Cueva'l Trumbiu - Pozu Haciosu | Spain | Asturias | Picos de Europa | 8.02 | 12903 | 1013.8 | 302 | Jose Luis Membrado e-mail | 2023-04 |
493 | Hölloch im Mahdtal | Austria | Allgäuer Alpen | D(Bayern)/Vorarlberg | 8.02 | 12900 | 1482.9 | 452 | Lukas Plan email | 2024-06 | |
UW | 494 | Sistema Pandora | Mexico | Quintana Roo | Tulum | 8.01 | 12891 | 74.1 | 22.6 | QRSS Long Caves List | 2021-01 |
- | 495 | Rèseau Camelot | France | Nouvelle-Aquitaine | - | 7.92 | 12750 | 147.6 | 45 | Liste des cavites naturelles les plus longues de France | 2022-06 |
- | 496 | Weymer Cave System | Canada | 7.92 | 12739 | 1213.9 | 370 | Pat Shaw e-mail | 2022-02 | ||
- | 497 | Tham Mae Lana | Thailand | Mae Hong Son | Pang Ma Pha | 7.90 | 12720 | 492.1 | 150 | Caves of Malaysia | 2015-02 |
- | 498 | Unthanks Cave | USA | Virginia | Lee | 7.90 | 12713.82 | 211 | 64.31 | 2009 NSS/ICS Kerrville Texas | 2016-07 |
- | 499 | Sistema Torca de los Morteros - Cueva de Imumia | Spain | Burgos | Espinosa de los Monteros | 7.90 | 12705 | 1486.2 | 453 | Jose Luis Membrado e-mail | 2023-04 |
- | 500 | Grassy Cove Saltpetre Cave (Saltpeter) | USA | Tennessee | Cumberland | 7.89 | 12702.55 | 367 | 111.86 | Deep Caves of TAG, John Stembel | 2016-10 |
- | 501 | Veryovkina | Georgia | Abkhazia | Arabika massive | 7.89 | 12700 | 7257.2 | 2212 | FB | |
502 | Legarices System (Argirocastro-Permet) | Albania | Argirocastro | Permet | 7.89 | 12700 | 380.58 | 116 | Benassi A. (2024): Lengarices 2023. Inseguendo il soffio del Drago (Albania), Speleologia SSI, n°89, pp.4-6 | 2024-10 | |
UW | 503 | Old Bellamy (Derekson)(Santa Fe River Rise) Cave Sys. | USA | Florida | Alachua | 7.87 | 12657.49 | 160 | 48.77 | Die langsten Unterwasserhohlensysteme der welt, Oliver Knab | 2016-06 |
- | 504 | Great EX(pectations) Cave | USA | Wyoming | Washakie | 7.85 | 12639.79 | 1408 | 429.16 | NSS News V44N6 (Peter Shifflett) | 1986-06 |
- | 505 | Lee Cave | USA | Kentucky | Edmonson | 7.82 | 12580.24 | 0 | 0 | CRF | 1987-08 |
- | 506 | Overholts Blowing Cave | USA | West Virginia | Pocahontas | 7.81 | 12570.59 | 666 | 203 | Gary Storrick | 2016-01 |
- | 507 | Whistling Cave | USA | Indiana | Lawrence | 7.81 | 12568.98 | 0 | 0 | Long cave list for Indiana, Indiana Cave Survey | 2017-03 |
- | 508 | Camps Gulf Cave (Saltpeter) | USA | Tennessee | Van Buren | 7.81 | 12564.15 | 368 | 112.17 | Deep Caves of TAG, John Stembel | 2016-10 |
- | 509 | Complesso del Monte Tambura | Italy | Toscana | Alpi Apuane | 7.77 | 12500 | 3307.1 | 1008 | Ettore Callegari e-mail; | 2016-03 |
- | 510 | Combe des Bioles - Tanne des Squelettes | France | Savoie | Bauges | 7.77 | 12500 | 1847.1 | 563 | Philippe Audra (Spelunca N66) | 2017-06 |
511 | Wildbaderhöhle | Austria | Totes Gebirge | Steiermark | 7.76 | 12496 | 3612.2 | 1101 | Lukas Plan email | 2024-06 | |
- | 512 | Stompbottom Cave | USA | Virginia | Tazewell | 7.73 | 12440.23 | 319 | 97.23 | VSS Long Cave List | 2015-02 |
UW | 513 | Rèseau Lot du Bois - Source du pissieux | France | Auvergne-Rhone-Alpes | - | 7.72 | 12416 | 607 | 185 | Liste des cavites naturelles les plus longues de France | 2022-06 |
- | 514 | Pàl-Völgy | Hungary | - | - | 7.71 | 12400 | 341.2 | 104 | Eric Madelanine list | 2006-07 |
G | 515 | Grotte du Banquier | France | Occitanie | - | 7.71 | 12400 | 492.1 | 150 | Liste des cavites naturelles les plus longues de France | 2022-06 |
UW | 516 | Madison Blue Spring | USA | Florida | Madison | 7.67 | 7774.74 | 140 | 42.67 | Mat Hansen, FB | 2022-12 |
- | 517 | Sistemul Zapodie - Pestera Neagra | Romania | Bihor | Mtii Bihor | 7.66 | 12320 | 587.3 | 179 | Liviu Valenas e-mail | |
- | 518 | Mactingol Cave | Philippines | Samar Island | - | 7.64 | 12300 | 0 | 0 | Atlas of the Great Caves and Karst of Southeast Asia P211 | 2021-10 |
- | 519 | Rudickê propadani | Czech Rep. | - | - | 7.64 | 12300 | 590.6 | 180 | Eric Madelanine list | 2006-07 |
- | 520 | Renejevo brezno - P4 | Slovenia | Julian Alps | Kaninski podi | 7.64 | 12296 | 4337.3 | 1322 | Long Cave List | 2020-08 |
- | 521 | Cuves de Sassenage | France | Auvergne-Rhone-Alpes | - | 7.64 | 12295 | 1515.7 | 462 | Liste des cavites naturelles les plus longues de France | 2022-06 |
- | 522 | Blue Water Cave | Philippines | Baggao | Cagayan | 7.63 | 12276 | 869.4 | 265 | Henry Bennett e-mail | 2022-08 |
- | 523 | Gua Salukkan Kallang | Indonesia | Sulawesi Selatan | Kappang | 7.62 | 12260 | 0 | 0 | Caves of Malaysia | 2017-06 |
- | 524 | Atlixicaya | Mexico | - | - | 7.58 | 12200 | 0 | 0 | Eric Madelanine list | 2006-07 |
- | 525 | Gardner's Gut | New Zealand | South Island | Waitomo | 7.58 | 12197 | 0 | 0 | Eric Madelanine list | 2016-01 |
- | 526 | Haws Spring Cave | USA | Tennessee | Cannon | 7.58 | 12192.39 | 150 | 45.72 | TCS | 1996-01 |
527 | Lofererschacht | Austria | Loferer Steinberge | Salzburg | 7.53 | 12126 | 2644.4 | 806 | Lukas Plan email | 2024-06 | |
- | 528 | Sistema del Jou la Canal Parda - Canaiòn de los Desvios | Spain | Asturias | Picos de Europa | 7.53 | 12119 | 3136.5 | 956 | Jose Luis Membrado e-mail | 2020-08 |
529 | Yum Kaax | Mexico | Quintana Roo | Akumal | 7.52 | 12107 | 65.6 | 20 | Jan Sirotek email | 2024-01 | |
- | 530 | Neuenburgerhöhle | Switzerland | Frluhli | LU | 7.51 | 12086 | 711.9 | 217 | List of Swiss Long k& Deep Caves | 2009-07 |
- | 531 | Long Hollow (Dyke's/Mud-&-Slime) Cave System | USA | Kentucky | Pulaski | 7.50 | 12065.25 | 235 | 71.63 | Mark Turner e-mail | 1998-11 |
- | 532 | Sniezna Studnia | Poland | - | Tatra Mountains | 7.49 | 12050 | 2503.3 | 763 | Polish Caving 2005-2020 09 | 2021-02 |
- | 533 | Andriafiabe | Madagascar | Ambilobe | Ankarana | 7.48 | 12030 | 0 | 0 | Eric Madelanine list | |
- | 534 | St.Beatus-Höhlen | Switzerland | Beatenberg | BE | 7.47 | 12015 | 1158.1 | 353 | List of Swiss Long k& Deep Caves | 2022-03 |
- | 535 | Sistema Chango Mistico | Mexico | Quintana Roo | Tulum | 7.46 | 12006 | 0 | 0 | QRSS Long Caves List | 2021-05 |
- | 536 | Helictite Cave | USA | Virginia | Highland | 7.46 | 12002 | 205.6 | 62.67 | Nathan Farrar e-mail | 2018-01 |
537 | Windlöcher-Klingertalschacht | Austria | Untersberg | Salzburg | 7.46 | 12000 | 1348.4 | 411 | Lukas Plan email | 2024-06 | |
- | 538 | Pinargozü Magarasi | Turkey | Isparta | Yenisarbademli | 7.46 | 12000 | 2165.4 | 660 | Caves and Caving I72 | 2020-11 |
- | 539 | Cueva Pitch | Mexico | - | - | 7.46 | 12000 | 0 | 0 | Eric Madelanine list | 2006-07 |
- | 540 | Tham Phi Xua | Laos | Khammouane | Thakhek | 7.46 | 12000 | 1525.6 | 465 | Atlas of the Great Caves and Karst of Southeast Asia P113 | |
- | 541 | Tham Lo | Laos | Khammouane | Thakhek | 7.46 | 12000 | 328.1 | 100 | Atlas of the Great Caves and Karst of Southeast Asia P113 | 2017-06 |
- | 542 | Grotta della Mottera | Italy | - | - | 7.46 | 12000 | 2034.1 | 620 | Eric Madelanine list | 2006-07 |
- | 543 | Rèseau de Lavayssiere | France | - | - | 7.46 | 12000 | 0 | 0 | Eric Madelanine list | 2006-07 |
G | 544 | Grotte de Malaval | France | Occitanie | - | 7.46 | 12000 | 777.6 | 237 | Liste des cavites naturelles les plus longues de France | 2022-06 |
G | 545 | Grotte de Fontrabiouse | France | Occitanie | - | 7.46 | 12000 | 196.9 | 60 | Liste des cavites naturelles les plus longues de France | 2022-06 |
- | 546 | Igue de la Vayssière | France | Occitanie | - | 7.46 | 12000 | 82 | 25 | Liste des cavites naturelles les plus longues de France | 2022-06 |
- | 547 | Pixan Bel | Mexico | Quintana Roo | Tulum | 7.39 | 11899 | 0 | 0 | QRSS Long Caves List | 2021-05 |
- | 548 | Labyrinthe d'Antsarahaso | Madagascar | Andraafiamena | Analamera | 7.38 | 11879 | 0 | 0 | Atlas of the Great Caves and Karst of Africa Part 1 | |
- | 549 | Mala Boka - BC4 System | Slovenia | Julian Alps | Bovska Kotlina | 7.38 | 11875 | 4327.4 | 1319 | Marko Erker e-mail | 2016-08 |
- | 550 | Sistema Atepetaco (Miquizco + Viento + Mama Mia) | Mexico | Puebla | - | 7.38 | 11876 | 0 | 0 | http://www.mexicancaves.org/geninfo/longanddeep.html | 2019-03 |
UW | 551 | Lineater (Stevenson Spring) | USA | Florida | Hamilton | 7.36 | 11851 | 174.9 | 53.3 | Andy Pitkin FB | 2022-01 |
- | 552 | Sistema del Risco | Spain | Cantabria | Matienzo | 7.36 | 11840 | 315 | 96 | Juan Corrin e-mail | 2023-01 |
- | 553 | Grayson Gunnar Cave | USA | Kentucky | Wayne | 7.32 | 11785.23 | 180 | 54.86 | Harry Goepel FB | 2022-09 |
- | 554 | Bilemot Kul | South Korea | Cheju Island | - | 7.30 | 11749 | 803.8 | 245 | On Lava Caves in Japan and Vivinity | 2016-08 |
- | 555 | Lungib Can-Yawa | Philippines | Samar Island | Calbiga | 7.27 | 11700 | 374 | 114 | Atlas of the Great Caves and Karst of Southeast Asia P211 | 2022-08 |
- | 556 | Rèseau Christian - Gathier | France | Auvergne-Rhone-Alpes | - | 7.27 | 11700 | 1072.8 | 327 | Liste des cavites naturelles les plus longues de France | 2022-06 |
- | 557 | Pestera Sura Mare | Romania | Hnedoara | Mtii Sebesului | 7.27 | 11694 | 1394.4 | 425 | Romania-Natural | 2022-08 |
- | 558 | Paxtons Cave | USA | Virginia | Alleghany | 7.26 | 11683.84 | 71 | 21.64 | VSS Long Cave List | 2015-02 |
- | 559 | Snail Shell Cave | Malaysia | Sarawak | Gunung Buda | 7.23 | 11636 | 1551.8 | 473 | - | |
- | 560 | Lisanby Cave | USA | Kentucky | Caldwell | 7.22 | 11619.46 | 0 | 0 | Mike Dyas | 1989-06 |
- | 561 | Sistema Rotablin | Spain | Cantabria | Reocin | 7.21 | 11596 | 0 | 0 | Pepe Membrado e-mail | 2022-07 |
UW | 562 | Peacock Cave I-II System | USA | Florida | Suwanee | 7.20 | 11587.28 | 210 | 64.01 | Richard Blackburn e-mail | 2016-06 |
- | 563 | Basanberroko Ziloa | Spain | Nafarroa | Koroa | 7.19 | 11565 | 810.4 | 247 | Pepe Membrado e-mail | 2022-07 |
UW | 564 | Cueva Quebrada | Mexico | Quintana Roo | Tulum | 7.18 | 11555.3 | 30.8 | 9.4 | QRSS Long Caves List | 2019-07 |
- | 565 | Farmers System - 1 | USA | Kentucky | Pulaski | 7.18 | 11553.48 | 202 | 61.57 | Darrell Adkins e-mail | 2016-01 |
- | 566 | Sistema Corona | Mexico | Tamaulipas | Villa Hidalgo | 7.16 | 11529 | 489 | 149 | Peter Sprouse email | 2023-01 |
- | 567 | Grotte du TM 71 | France | Occitanie | - | 7.15 | 11508 | 449.5 | 137 | Liste des cavites naturelles les plus longues de France | 2022-06 |
- | 568 | Marble Arch - Upper Cradle - Lower Cradle - Prod's Pot - Cascades Rising | United Kingdom | - | Co.Fermanagh | 7.15 | 11500 | 196.9 | 60 | www.ukcaves.co.uk/all-longest | 2021-05 |
- | 569 | Complejo de los Covachos de Peñajorao | Spain | Cantabria | Camargo | 7.15 | 11500 | 0 | 0 | Pepe Membrado e-mail | 2022-07 |
- | 570 | Behiako Leizea | France | Nouvelle-Aquitaine | Pyrenees | 7.15 | 11500 | 1955.4 | 596 | Liste des cavites naturelles les plus longues de France | 2022-06 |
571 | Höhle beim Spannagelhaus | Austria | Zillertaler Alpen | Tirol | 7.15 | 11500 | 1079.4 | 329 | Lukas Plan email | 2024-06 | |
- | 572 | Blackfathom River Cave System | USA | Missouri | Ste.Genevieve | 7.14 | 37712.6 | 213.28 | 65 | Chad McCain e-mail | 2024-01 |
L | 573 | Aven des Baoudillouns | France | Alpes-Côte d'Azur | - | 7.09 | 11416 | 1558.4 | 475 | Liste des cavites naturelles les plus longues de France | 2022-06 |
- | 574 | McFail's Cave | USA | New York | Schoharie | 7.09 | 11411.86 | 295 | 89.92 | Simeon Warner e-mail | 2016-08 |
- | 575 | Cyclops Cave | USA | Virginia | Russell | 7.08 | 11394.16 | 424 | 129.24 | J.Christie e-mail | 2016-06 |
UW | 576 | Sistema MOAC | Mexico | Quintana Roo | Tulum | 7.07 | 11369.3 | 45.9 | 14 | QRSS Long Caves List | 2019-07 |
- | 577 | Hölloch | Germany | Bavaria | - | 7.05 | 11346 | 1482.9 | 452 | Andreas Wolf List of Longest Caves in Germany | |
- | 578 | Zarathustra Cave (Saltpeter) | USA | Tennessee | Fentress | 7.03 | 11313.69 | 60 | 18.29 | Bill Dean | 1986-07 |
- | 579 | Tham Ban Chom Ong | Laos | - | Oudoaxay | 7.02 | 11300 | 0 | 0 | ||
UW | 580 | Manantial del Toro | Dominican Republic | La Altagracia | Boca de Yuma | 7.00 | 11270 | 62.3 | 19 | Olivier Testa e-mail | 2020-03 |
- | 581 | Devils Icebox | USA | Missouri | Boone | 6.99 | 11249.3 | 0 | 0 | Jeff Crews Email | 2024-07 |
- | 582 | Bohemia Cave | New Zealand | South Island | Mt Owen | 6.98 | 11230 | 2339.2 | 713 | Lindsay Main NZ Speleological Soc. Info Officer | 2016-01 |
- | 583 | Système Pinet - Brouillard | France | Alpes-Côte d'Azur | - | 6.94 | 11175 | 1663.4 | 507 | Liste des cavites naturelles les plus longues de France | 2022-06 |
- | 584 | Gouffre de Pourpevelle | France | Bourgogne-Franche-Com | - | 6.94 | 11169 | 347.8 | 106 | Liste des cavites naturelles les plus longues de France | 2022-06 |
UW | 585 | Sistema Cupul Ha (Underwater+Dry) | Mexico | Quintana Roo | Tulum | 6.93 | 11152.4 | 45.9 | 14 | QRSS Long Caves List | 2019-07 |
- | 586 | A2, Loubenegg | Switzerland | Beatenberg | BE | 6.93 | 11148 | 2253.9 | 687 | List of Swiss Long k& Deep Caves | 2022-03 |
587 | Stang-Rotwandl-System | Austria | Steinernes Meer | Salzburg | 6.93 | 11147 | 659.4 | 201 | Lukas Plan email | 2024-06 | |
UW | 588 | Sistema Chac Mol (Underwater+Dry) | Mexico | Quintana Roo | Tulum | 6.90 | 11108 | 92.8 | 28.3 | QRSS Long Caves List | 2019-07 |
- | 589 | Sistema del Alba | Spain | Huesca | Pirineos | 6.90 | 11097 | 1752 | 534 | Pepe Membrado e-mail | 2023-04 |
- | 590 | Aven de Rogues | France | Occitanie | - | 6.89 | 11091 | 830.1 | 253 | Liste des cavites naturelles les plus longues de France | 2022-06 |
- | 591 | Mira de Aire | Portugal | 6.84 | 11000 | 0 | 0 | http://liveportugal.pt/en/mira-de-aire-caves/ | 1999-01 | ||
- | 592 | Khabjui | Georgia | - | - | 6.84 | 11000 | 0 | 0 | ||
- | 593 | Tskhogorskaja 1-2-Troja, NRP | Georgia | - | - | 6.84 | 11000 | 0 | 0 | 2016-01 | |
- | 594 | Rèseau de la Tète des Verds | France | Auvergne-Rhone-Alpes | - | 6.84 | 11000 | 2519.7 | 768 | Liste des cavites naturelles les plus longues de France | 2022-06 |
- | 595 | Scialet Candy | France | Auvergne-Rhone-Alpes | - | 6.84 | 11000 | 1830.7 | 558 | Liste des cavites naturelles les plus longues de France | 2022-06 |
- | 596 | Grotte des Eaux Chaudes | France | Pyrenees-Atlantiques | Pic de Ger | 6.84 | 11000 | 2657 | 810 | Jean-Yves Bigot | 2016-01 |
- | 597 | Chinn Springs Cave | USA | Arkansas | Indpendence | 6.83 | 10991.82 | 252 | 76.81 | Jeff Bartlett e-mail | 2016-03 |
- | 598 | Sistema San Andres | Mexico | Puebla | Ocotempa | 6.83 | 10988 | 1555.1 | 474 | http://www.mexicancaves.org/geninfo/longanddeep.html | 2019-12 |
- | 599 | Fallenfluh-Höhlenstem (Lauiloch, Dreckiges Paradies) | Switzerland | Muotatal | SC | 6.83 | 10985 | 1522.3 | 464 | List of Swiss Long k& Deep Caves | 2022-03 |
- | 600 | Tham Luang Nang Non | Thailand | Chiang Rai | Mae Sai | 6.82 | 10982 | 239.5 | 73 | Martin Ellis e-mail | 2023-03 |
- | 601 | Sistema del Circo de Armena | Spain | Huesca | Pirineos | 6.81 | 10960 | 2034.1 | 620 | Jose Luis Membrado e-mail | 2021-05 |
- | 602 | Da Dong | China | Hubei | Wufeng | 6.79 | 10932 | 1030.2 | 314 | www.hongmeigui.net/deepandlong.php | 2017-04 |
UW | 603 | Weeki Wachee Spring | USA | Florida | Hernando | 6.79 | 10930 | 407 | 124.05 | Andrew Pitkin e-mail | 2019-10 |
604 | Südwandhöhle | Austria | Dachstein | Stmk/OÖ | 6.78 | 10904 | 1669.9 | 509 | Lukas Plan email | 2024-06 | |
- | 605 | Sistema Quijada de Jaguar (Jaguar Jaw) | Mexico | Quintana Roo | Tulum | 6.77 | 10900 | 0 | 0 | QRSS Long Caves List | 2021-05 |
UW | 606 | Gouffre du Petit Saint Cassien | France | Alpes-Côte d'Azur | - | 6.75 | 10865 | 1322.2 | 403 | Liste des cavites naturelles les plus longues de France | 2022-06 |
- | 607 | Trou Souffleur | France | Alpes-Côte d'Azur | - | 6.74 | 10853 | 3021.7 | 921 | Liste des cavites naturelles les plus longues de France | 2022-06 |
- | 608 | Breathing Cave | USA | Virginia | Bath | 6.74 | 10847 | 406.8 | 124 | Gangsta Mappers | 2018-01 |
- | 609 | Cueva de la Mano | Mexico | Oaxaca | - | 6.74 | 10841 | 0 | 0 | http://www.mexicancaves.org/geninfo/longanddeep.html | 2019-03 |
- | 610 | Grotta Beppe Bessone | Italy | Piemonte | Monte Zucco | 6.74 | 10839 | 403 | 123 | https://catastogrotte-piemonte.net/caves-view-2383.html | 2022-12 |
611 | Lurgrotte | Austria | Grazer Bergland | Steiermark | 6.73 | 10833 | 849.7 | 259 | Lukas Plan email | 2024-06 | |
UW | 612 | M2 Blue | USA | Florida | 6.72 | 10822 | 164 | 50 | Andy Pitkin FB | 2022-01 | |
- | 613 | Ambatoanjahana | Madagascar | Ambilobe | Ankarana | 6.72 | 10810 | 0 | 0 | Atlas of the Great Caves and Karst of Africa Part 1 | 2017-06 |
L | 614 | Hue Hue (Manini Owali) Cave | USA | Hawaii | Hawaii | 6.71 | 10800.3 | 1623 | 494.7 | Stephan Kempe | 1999-10 |
- | 615 | Poloska jama | Slovenia | Zaledje Tolminke | - | 6.71 | 10800 | 2309.7 | 704 | List of Slovenia's Longest & Deepest | 2016-05 |
G | 616 | Trou du Vent | France | Nouvelle-Aquitaine | - | 6.71 | 10800 | 341.2 | 104 | Liste des cavites naturelles les plus longues de France | 2022-06 |
CT | 617 | Mullamullang Cave (Chalk) | Australia | Western Australia | Nullarbur Plain | 6.71 | 10800 | 439.6 | 134 | Atlas Great Caves of the World | 2017-06 |
- | 618 | Pestera Polovragi | Romania | Muntii Capatanii | - | 6.71 | 10793 | 0 | 0 | Romania-Natural | 2022-08 |
619 | Offenbarungs-Eishöhle | Austria | Tennengebirge | Salzburg | 6.70 | 10785 | 1482.9 | 452 | Lukas Plan email | 2024-06 | |
- | 620 | Simmons Mingo - My Cave System | USA | West Virginia | Rand./Pocahon. | 6.70 | 10782.6 | 683 | 208.18 | Bob Thrun | 1982-06 |
- | 621 | Rede de Cerveriz | Spain | Asturias | Somiedo | 6.68 | 10750 | 1102.4 | 336 | Jose Luis Membrado e-mail | 2021-05 |
- | 622 | Sherfield's Cave | USA | Arkansas | Newton | 6.66 | 10718.23 | 58 | 17.68 | Doug Robertson | 1992-06 |
623 | Warwas-Glatzen-Höhlensystem | Austria | Kräuterin | Steiermark | 6.65 | 10702 | 2509.8 | 765 | Lukas Plan email | 2024-06 | |
- | 624 | Sistema Hitu - Cueva Culiembru | Spain | Asturias | Picos de Europa | 6.65 | 10700 | 4147 | 1264 | Depth from Phil Rowsell's calculations from the survey data. | 2016-01 |
- | 625 | Grotte de Han-sur-Lesse | Belgium | Namur | - | 6.64 | 10693 | 360.9 | 110 | pha@ceram.ciger.be | 2017-06 |
- | 626 | Complejo Hundidero - Gato | Spain | Malaga | Sierra de Libar | 6.63 | 10670 | 695.5 | 212 | Jose Luis Membrado e-mail | 2021-05 |
627 | Karrenschacht | Austria | Totes Gebirge | Steiermark | 6.61 | 10640 | 1332.0 | 406 | Lukas Plan email | 2024-06 | |
- | 628 | Vorontsovskaja, WC | Russia | - | - | 6.61 | 10640 | 0 | 0 | Caves and Caving I59P34S | 2017-06 |
- | 629 | Paul Penley Cave | USA | Virginia | Bland | 6.60 | 10621.67 | 346 | 105.46 | Virginia Speleological Survey | 2016-05 |
- | 630 | Tham Yai Nam Nao | Thailand | Phetchabun | Nam Nao | 6.59 | 10597 | 357.6 | 109 | Atlas of the Great Caves and Karst of Southeast Asia P259 | 2017-06 |
- | 631 | Munizaba | Croatia | Juzni Velebit | Crnopac | 6.55 | 10538 | 1673.2 | 510 | Aida Bariši? email | 2024-12 |
- | 632 | Perry Water Cave | USA | Texas | Real | 6.55 | 10535 | 97.4 | 29.7 | Texas Speleological Survey via Jerry Atkinson e-mail | 2022-01 |
- | 633 | Grotte de Milandre | Switzerland | Bencourt | JU | 6.54 | 10520 | 442.9 | 135 | List of Swiss Long k& Deep Caves | 2022-03 |
- | 634 | Doolin Cave | United Kingdom | - | Co. Clare | 6.52 | 10500 | 196.9 | 60 | www.ukcaves.co.uk/all-longest | 2021-05 |
- | 635 | Mossdale Caverns | United Kingdom | - | Northern Dales | 6.52 | 10500 | 196.9 | 60 | www.ukcaves.co.uk/all-longest | 2021-05 |
- | 636 | Grotte du Garrel | France | Occitanie | - | 6.52 | 10500 | 1003.9 | 306 | Liste des cavites naturelles les plus longues de France | 2022-06 |
- | 637 | Yagodinska Cave | Bulgaria | Yagodina | Rhodope Mountains | 6.52 | 10500 | 0 | 0 | Wikipedia | 2022-08 |
638 | Grubstein-Westwandhöhle | Austria | Totes Gebirge | Steiermark | 6.52 | 10485 | 1299.2 | 396 | Lukas Plan email | 2024-06 | |
- | 639 | Antsatrabonko | Madagascar | Ambilobe | Ankarana | 6.51 | 10475 | 0 | 0 | Atlas of the Great Caves and Karst of Africa Part 1 | 2017-06 |
UW | 640 | Sistema El Puente | Mexico | Quintana Roo | Tulum | 6.51 | 10473.8 | 295.9 | 90.2 | QRSS Long Caves List | 2019-07 |
- | 641 | Lost River Cave System | USA | Kentucky | Warren | 6.50 | 10462.35 | 0 | 0 | Green River Review - Ref. J.Wells | 1986-12 |
- | 642 | New River Cave | USA | Virginia | Giles | 6.49 | 10441.96 | 359 | 109.42 | Dave West email | 2024-07 |
643 | Maaras | Greece | Macedonia | Drama | 6.48 | 10441 | 232.9 | 71 | Panagiotis Papadakos email | 2024-10 | |
- | 644 | Lachenstock-Höhlensystem | Switzerland | Innerthal | SZ | 6.47 | 10413 | 876 | 267 | List of Swiss Long k& Deep Caves | 2022-03 |
- | 645 | Tanne de Chavanu | France | Auvergne-Rhône-Alpes | - | 6.47 | 10413 | 2171.9 | 662 | Liste des cavites naturelles les plus longues de France | 2022-06 |
G | 646 | Spipola-Aquafredda | Italy | - | - | 6.46 | 10400 | 360.9 | 110 | Alexander Klimchouk Longest Gypsum caves of the world | 2016-06 |
- | 647 | Leang Assuloang | Indonesia | Sulawesi Selatan | Maros | 6.46 | 10400 | 321.5 | 98 | Atlas of the Great Caves and Karst of Southeast Asia P58 | 2017-06 |
- | 648 | Complejo Urallaga | Spain | Bizkaia | Montes de Triano | 6.46 | 10395 | 387.1 | 118 | Jose Luis Membrado e-mail | 2021-05 |
- | 649 | Hick's Cave | USA | New Mexico | Eddy | 6.44 | 10364.18 | 277 | 84.43 | Ellen Trautner e-mail | 2022-07 |
- | 650 | Actun Káua | Mexico | Yucatán | - | 6.44 | 10360 | 0 | 0 | http://www.mexicancaves.org/geninfo/longanddeep.html | 2019-03 |
- | 651 | Clarks Cave | USA | Virginia | Bath | 6.43 | 10354.52 | 0 | 0 | Virginia Speleological Survey | 1994-08 |
- | 652 | Gouffre du Bracas de Thurugne 6 (Reseau de Soudet) | France | Atlantiques | Pierre Saint Martin | 6.43 | 10340 | 3839 | 1188 | Liste des cavites naturelles les plus longues de France | 2022-06 |
653 | Schneeloch | Austria | Tennengebirge | Salzburg | 6.41 | 10319 | 3612.2 | 1101 | Lukas Plan email | 2024-06 | |
- | 654 | Sistema la Vieya - Los Quesos | Spain | Asturias | Picos de Europa | 6.40 | 10300 | 206.7 | 63 | Jose Luis Membrado e-mail | 2021-05 |
- | 655 | Fallen Rock Cave | USA | Virginia | Tazewell | 6.39 | 10280.49 | 0 | 0 | Virginia Speleological Survey | 2016-06 |
- | 656 | Abime de Bramabiau | France | Occitanie | - | 6.36 | 10240 | 285.4 | 87 | Liste des cavites naturelles les plus longues de France | 2022-06 |
- | 657 | Sistema del Ojancano - Anjana | Spain | Canabria | Miera | 6.35 | 10225 | 656.2 | 200 | Jose Luis Membrado e-mail | 2021-05 |
658 | Jack Daniel's Höhle | Austria | Tennengebirge | Salzburg | 6.35 | 10218 | 2454.1 | 748 | Lukas Plan email | 2024-06 | |
- | 659 | Grutas de Rancho Nuevo (San Cristobal) | Mexico | Chiapas | - | 6.35 | 10218 | 0 | 0 | http://www.mexicancaves.org/geninfo/longanddeep.html | 2019-03 |
- | 660 | Cueva del Arroyo Grande | Mexico | Chiapas | - | 6.34 | 10207 | 0 | 0 | http://www.mexicancaves.org/geninfo/longanddeep.html | 2019-03 |
- | 661 | Grotte de Trabuc | France | Bourgogne-Franche-Com | - | 6.34 | 10206 | 131.2 | 40 | Liste des cavites naturelles les plus longues de France | 2022-06 |
- | 662 | Reinvikgrotta | Norway | - | Sorfold | 6.34 | 10200 | 0 | 0 | David stPierre | 2016-01 |
S | 663 | Mearat Malcham | Israel | Mt. Sedom | 6.34 | 10200 | 442.9 | 135 | Yual Sobolyev FB | 2019-07 | |
- | 664 | Grotte de Baume Layrou | France | Occitanie | - | 6.33 | 10190 | 692.3 | 211 | Liste des cavites naturelles les plus longues de France | 2022-06 |
- | 665 | Grotte Roche Chalve - Trou du Coeur | France | Occitanie | - | 6.31 | 10160 | 531.5 | 162 | Liste des cavites naturelles les plus longues de France | 2022-06 |
- | 666 | Grotte du Grand Antoine | France | Auvergne-Rhone-Alpes | - | 6.31 | 10154 | 1509.2 | 460 | Liste des cavites naturelles les plus longues de France | 2022-06 |
- | 667 | Blissits Cave | USA | Kentucky | Breckenridge | 6.31 | 10150.13 | 0 | 0 | Ft. Knox Grotto/Lowcrawler Newsletter | 1985-11 |
- | 668 | Pestera Cornilor | Romania | Muntii Padurea Craiului | - | 6.30 | 10140 | 0 | 0 | Romania-Natural | 2022-08 |
- | 669 | Jashchik Pandora, ESB | Russia | - | - | 6.28 | 10100 | 0 | 0 | Caves and Caving I59P34S | 2017-06 |
UW | 670 | Sistema Taj Mahal (Underwater+Dry) | Mexico | Quintana Roo | Tulum | 6.27 | 10094 | 98.1 | 29.9 | QRSS Long Caves List | 2019-07 |
- | 671 | Spider Cave (C.C.N.P.) | USA | New Mexico | Eddy | 6.27 | 10091.3 | 138.1 | 42.1 | Paul Burger | 2024-02 |
G | 672 | D.C. Jester Cave System | USA | Oklahoma | Greer | 6.25 | 10065 | 35 | 10.7 | Sue Bozeman | 1988-03 |
- | 673 | Little Brush Creek Cave | USA | Utah | Uintah | 6.25 | 10058.4 | 858 | 202 | Matt Paulson FB | 2022-07 |
UW | 674 | Sistema Muul Three | Mexico | Quintana Roo | Tulum | 6.25 | 10052.9 | 63 | 19.2 | QRSS Long Caves List | 2019-07 |
UW | 675 | Sistema Muul Three | Mexico | Quintana Roo | Tulum | 6.25 | 10052.9 | 63 | 19.2 | QRSS Long Caves List | 2019-07 |