Caves with a total length of 10000+ meters (6.241 miles, 32810 feet)

Updated by Paul Burger 4/13/2025

Send updates and corrections to Cavemonpaul at hotmail.com

Copyright 2025 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	Facebook	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	168.02	270402	646.8	197.2	Marc Ohms e-mail	2025-03
-	7	The Clearwater System (Gua Air Jernih)	Malaysia	Sarawak	Mulu	165.21	265882	1165	355.1	Matt Kirby email	2025-04
G	8	Optymistychna (Optimisticheskaja)	Ukraine	Ternopil	Borshchiv	164.40	264576.15	49	15	Marc Ohms FB
-	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	Email	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	Helms Deep	USA	Tennessee	Perry	73.57	118399.4	186	56.7	Hal Love email	2025-04
	21	Hirlatzhöhle	Austria	Dachstein	Oberösterreich	73.22	117840	5118.1	1560	Lukas Plan email	2024-06
-	22	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
-	23	Toca da Boa Vista	Brazil	Bahia	Campo Formoso	70.84	114000	164	50	As Maiores Cavernas Do Basil	2020-01
-	24	Marosakabe System	Madagascar	Mahajaanga	Soalala	70.23	113019	164	50	http://grenoble.sibert.fr/album/crei/marosakabe_2018_extrait.pdf	2022-12
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	48.50	78059	357.6	194	Juan Corrin email	2025-03
-	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	Blue Spring Cave	USA	Tennessee	White	41.78	67246.4	307	93.57	Mike Rodgers email	2025-04
-	55	Whigpistle System	USA	Kentucky	Edmonson	41.76	67206.2	314	95.71	Joel Despain e-mail	2024-07
	56	Dingo Caves System	Australia	Northern Territory	Judbarra-Gregory National Park	41.01	66000			Mark Sefton e-mail	2024-03
L	57	Kazumura Cave	USA	Hawaii	Hawaii	40.70	65500	3613.8	1101.5	HSS Newsletter N9P7	2016-06
-	58	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
-	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	Kap-Kutan/Promezhutochnaja	Turkmenistan	Turkistan	Gissarsko-Ala.	35.42	57000	1017.1	310	RSIC	2019-09
	70	Prometheus Cave System	Australia	Northern Territory	Judbarra-Gregory National Park	35.42	57000			Mark Sefton e-mail	2024-03
-	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	Crevice Cave	USA	Missouri	Perry	31.17	50174	182	55.5	Chad McCain e-mail	2024-01
-	85	Sistema de Anielarra (Anialarra)	Spain	Nafarroa	Larra	31.20	50161	2798.6	853	Jose Luis Membrado e-mail	2025-01
-	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	Moore Cave System (Berome & Tom)	USA	Missouri	Perry	26.14	42077.8	147	44.81	Chad McCain e-mail	2024-01
-	107	Tham Khoun Dori - Houay Sai System Cave	Laos	Khammouane	Ban Na	26.15	42077	853	260	Charles Ghommidh e-mail	2009-07
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	Cueva de los Chorros	Spain	Albacete	Riopar	23.60	38000	426.5	130	Jose Luis Membrado eamil	2024-10
-	126	Sistema de Pan de Azucar	Cuba	Pinar del Rio	S.del Rosario	23.61	38000	0	0	The NSS News V57N10P300	1999-10
-	127	Blackfathom River Cave System	USA	Missouri	Ste.Genevieve	7.14	37712.6	213.28	65	Chad McCain e-mail	2024-01
-	128	Sistema Cuetzalan - Atepolihuit	Mexico	Puebla	Curtzalan	23.41	37676	2158.8	658	Mark Minton e-mail	2016-06
-	129	Sistema Cueto-Coventosa-Cubera-Garma Bucebrón-Corzo	Spain	Cantabria	Porracolina	23.15	37258	2719.8	829	Jose Luis Membrado e-mail	2021-01
-	130	The Hole (Boggs Cave)	USA	West Virginia	Greenbrier	23.00	37019.74	225	68.58	Bill Balfour	1991-09
-	131	Sistema Lecherines	Spain	Huesca	Macizo de Aspe	22.99	37000	3310.4	1009	Jose Luis Membrado e-mail	2023-12
-	132	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
-	133	Coral Cave System	USA	Kentucky	Pulaski	22.56	36306.8	340	103.63	Lee Florea e-mail	2015-02
-	134	Sugar Run Cave System	USA	Virginia	Giles	22.55	36291	718	218.85	VSS	2015-02
-	135	Complesso dei Piani Eterni	Italy	Veneto	Dolomiti BL	22.47	36160	3451.4	1052	Francesco Sauro e-mail	2020-10
-	136	Lost River Cave System	USA	Indiana	Orange	22.20	35727.44	94	28.65	Long cave list for Indiana, Indiana Cave Survey	2017-03
-	137	Lilburn Cave (N.P.)	USA	California	Tulare	22.17	35679	508	154.84	Jed Mosenfelder e-mail	2019-01
	138	Tantalhöhle	Austria	Hagengebirge	Salzburg	22.07	35520	1427.2	435	Lukas Plan email	2024-06
-	139	Chestnut Ridge Cave System	USA	Virginia	Bath	22.06	35507	813.6	248	BCCS	2019-10
-	140	Complesso di Piaggia Bella	Italy	Piemonte	Marguareis	22.06	35500	3152.9	961	http://www.Class.del.g.piulunghe/profon.d'Italia	2009-07
-	141	Xia, Qikeng, Lanmu Shu, Miao Keng, Xiaogu Chi. Dongba Dong	China	Chongqing	Wulong	22.05	35479	3346	1020	LIU JIA e-mail	2019-04
-	142	Cueva de Udias	Spain	Cantabria	-	21.87	35196	0	0	Jose Luis Membrado e-mail	2021-11
-	143	Complesso della Carcaraia (Abisso Saragato)	Italy	Toscana	Alpi Apuane	21.75	35000	3690.9	1125	Speleologia N68P102-103	2009-07
-	144	Reseau du Verneau	France	Doubs	Deservillers	21.75	35000	1269.7	387	Liste des cavites naturelles les plus longues de France	2022-06
-	145	Reseau Andre Lachambre (grotte d'Embulla)	France	Pyrenees-Orientales	Conflent	21.75	35000	242.8	74	D'apres Christophe Levillain	2017-06
-	146	Toca da Barriguda	Brazil	Bahia	-	21.75	35000	200.1	61	As Maiores Cavernas Do Basil	2020-01
-	147	Mesacny tien	Slovakia	Vysoke Tatry	Javorinska Siroka	21.74	34994	1479.7	451	Branislav šmida	1999-04
-	148	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
-	149	Sistema Azpilicueta-Coteron-Renada (Sistema de la Vega)	Spain	Cantabria	Ruesga	21.61	34783	1112.2	346	Jose Luis Membrado e-mail	2023-04
-	150	Sistema de la Pena de Mediodia	Spain	Huesca	Pirineos	21.57	34707	2959.3	902	Jose Luis Membrado e-mail	2023-04
-	151	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
-	152	Atea Kananda	Papua New Guinea	Southern Highland	Muller Range	21.44	34500	1148.3	350	The British Caver V94-95	2017-06
-	153	Sistema Oztotl (Rosetta-Tepetzala)	Mexico	Puebla	-	21.24	34188	2880.6	878	http://www.mexicancaves.org/geninfo/longanddeep.html	2019-03
-	154	Majaguas-Cantera (sis.caverna.)	Cuba	Pinar del Rio	S.de San Carlo	21.13	34000	0	0	The International Caver	2017-06
-	155	Hidden River System (Hicks Cave)	USA	Kentucky	Hart	21.10	33957.16	160	48.77	Carbide Caver V7I10P111	1998-10
-	156	Culverson Creek Cave System	USA	West Virginia	Greenbrier	20.93	33680.35	329	100.28	WVASS Database	2016-06
-	157	Blue Spring Cave	USA	Indiana	Lawrence	20.90	33635.29	140	42.67	Long cave list for Indiana, Indiana Cave Survey	2017-03
UW	158	Sistema Nohoch Kai	Mexico	Quintana Roo	Tulum	20.82	33505	85	25.9	QRSS Long Caves List	2019-07
-	159	Reseau de Bunant	France	Haute Savoie	Parmelan	20.82	33500	1213.9	370	Liste des cavites naturelles les plus longues de France	2022-06
-	160	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
-	161	Honey Creek Cave	USA	Texas	Comal	20.69	33295	124.3	37.9	Texas Speleological Survey via Jerry Atkinson e-mail	2022-01
-	162	Ogof Agen Allwedd	United Kingdom	Wales	Powys, Monmouthshire	20.38	32800	524.9	160	-
-	163	Carroll Cave	USA	Missouri	Camden	20.31	32686	224	68.28	Bob Lerch e-mail	2019-03
G	164	Reseau des Grottes aux Fees	Switzerland	Vallorbe	Vaud	20.29	32657	744.8	227	List of Swiss Long k& Deep Caves	2009-07
-	165	Terikan System (Rising, East, West)	Malaysia	Sarawak	Mulu	20.24	32572	0	0	Mulu Caves Project	2019-08
-	166	Reseau de Coufin-Chevaline	France	Isere	Vercors	20.07	32301	1394.4	425	Liste des cavites naturelles les plus longues de France	2022-06
-	167	Gap Cave System (Cudjo's) (C.G.N.H.P.)	USA	Virginia	Lee	19.88	32000	491	149.66	Bob Gulden (CRF)	2019-04
-	168	Puerto Princesa Subterranean River (St.Pauls Underground River Cave)	Philippines	Palawan Island	Palawan	19.88	32000	328.1	100	Wikipedia
	169	Klarahöhle	Austria	Sengsengebirge	Oberösterreich	19.58	31515	1548.6	472	Lukas Plan email	2024-06
-	170	Kihaje Xontjoa	Mexico	Oaxaca	Cerro Rabon P.	19.49	31373	4012.5	1223	http://www.amcs-pubs.org/longanddeep.html	2016-06
-	171	Grotta di Monte Cucco	Italy	Umbria	Monte Cucco	19.45	31300	3047.9	929	Class.del.g.piu lunghe/profon.d'Italia	2009-07
-	172	Systeme Prerouge - Litorne	France	Savoie	Bauges	19.44	31292	1666.7	508	Jose Luis e-mail	2015-02
-	173	Krem Liat Prah/Um IM/Labbit M /RUBONG	India	Meghalaya	Jaintia Hills	19.44	31279	0	0	Descent N275P15
	174	Verborgene Höhle	Austria	Totes Gebirge	Oberösterreich	19.24	30956	1197.5	365	Lukas Plan email	2024-06
-	175	Nunley Mtn.Cave System (Maria Angela Grotto)	USA	Tennessee	Grundy	19.00	30577.5	372	113.4	Julianne Ramsey email	2025-01
-	176	Baradla-Domica	Hungary		Aggtelek Karst	18.93	30466	380.6	116	Peter Gruber e-mail	2017-06
	177	Berger-Platteneck-Höhlensystem	Austria	Tennengebirge	Salzburg	18.89	30396	4235.6	1291	Lukas Plan email	2024-06
-	178	Szepvolgyi System (Pal-volgy Cave)	Hungary	Budapest	-	18.70	30100	403.5	123	International Journal of Speleology 44(2)	2016-05
	179	Grießkar-Höhlensystem	Austria	Totes Gebirge	Stmk/OÖ	18.47	29724	2555.8	779	Lukas Plan email	2024-06
-	180	Complesso del Releccio Alfredo Bini (W Le Donne)	Italy	Lombardia	Grigna. Settentrionale	18.39	29600	4307.7	1313	Andrea Maconi e-mail	2009-07
-	181	Tham Nam Non System	Laos	Khammouane	Thakhek	18.33	29500	0	0	Caves of Malaysia	2009-07
-	182	Bettenhohle	Switzerland	Obwalden	Kerns	18.32	29484	2637.8	804	http://ch.speleo.info	2009-07
-	183	Windy Mouth (Wind) Cave	USA	West Virginia	Greenbrier	18.11	29145.22	200	60.96	Nick Sockiy FB	2021-12
-	184	Butler-Sinking Creek System	USA	Virginia	Bath	18.06	29064.75	644.3	196.38	Tont Canike email	2016-09
	185	Ötscherhöhlensystem	Austria	Ötscher	Niederösterreich	17.78	28608	2171.9	662	Lukas Plan email	2024-06
-	186	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
-	187	Sistema de Tepepa (Ehecatl+Niebla)	Mexico	Puebla	-	17.71	28500	3175.9	968	Desent 209	2016-09
UW	188	Sistema Caterpillar	Mexico	Quintana Roo	Felipe Carrillo Puerto	17.56	28253	88.9	27.1	QRSS Long Caves List	2019-07
-	189	Fitton (Beauty) Cave	USA	Arkansas	Newton	17.50	28163.52	89.9	95.4	Scott House e-mail	2004-02
	190	Kuchlberg-Höhlensystem	Austria	Tennengebirge	Salzburg	17.47	28108	2529.5	771	Lukas Plan email	2024-06
	191	Jägerbrunntrog-Höhlensystem	Austria	Hagengebirge	Salzburg	17.41	28026	3536.7	1078	Lukas Plan email	2024-06
-	192	Ogof Daren Cilau System	United Kingdom	Wales	Powys, Monmouthshire	17.40	28000	761.2	232	www.ukcaves.co.uk/all-longest	2016-01
-	193	V5 Sistemul Varasoaia (V5-V24)	Romania	Bihor	Mtii Bihor	17.40	28000	2142.4	653	Alex Pologea e-mal	2017-04
-	194	Old Homestead Cave	Australia	Western Australia	Nullarbor Plain	17.40	28000	0	0	International Caver No.7	2017-06
-	195	Thornhill Cave System	USA	Kentucky	Breckenridge	17.23	27732.22	0	0	Arron Reed Louisville Grotto e-mail	2016-01
-	196	Coldwater Cave	USA	Iowa	Winneshiek	17.01	27366.89	80	24.38	Larry Welch e-mail	2016-07
-	197	Big Bat Cave	USA	Kentucky	Breckenridge	16.95	27278.05	185.78	56.63	Joe Walko email	2024-01
-	198	Kingsdale Master Cave System	United Kingdom	England	North Yorkshire	16.78	27000	541.3	165	www.ukcaves.co.uk/all-longest
-	199	Green Cathedral/Turtle Cave System	Malaysia	Sarawak	Gunung Buda	16.76	26971	997.4	304	NSS News V62N8P225
-	200	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	201	Sistema Sand Crack (Underwater)	Mexico	Quintana Roo	Tulum	16.62	26746	58.1	17.7	QRSS Long Caves List	2019-07
UW	202	Sistema Sand Crack	Mexico	Quintana Roo	Tulum	16.62	26746	58	17.7	QRSS Long Caves List	2019-07
-	203	Reseau Jean Bernard	France	Haute Savoie	Haute-Giffre	16.58	26685	5256	1625	Liste des cavites naturelles les plus longues de France	2022-06
-	204	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
-	205	Sistema Tibia-Fresca	Spain	Cantabria	Porracolina	16.40	26400	1663.4	507	Jose Luis Membrado e-mail	2021-11
-	206	Bigfoot Cave	USA	California	Siskiyou	16.25	26151.84	1205	367.28	Scott Linn e-mail	2016-10
	207	Ahnenschacht	Austria	Totes Gebirge	Oberösterreich	16.25	26148	2057.1	627	Lukas Plan email	2024-06
-	208	Powell's Cave System	USA	Texas	Menard	16.25	26145.5	79	24.08	Texas Speleological Survey via Jerry Atkinson e-mail	2021-10
-	209	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
	210	Almberg-Höhlensystem	Austria	Totes Gebirge	Steiermark	16.19	26053	990.8	302	Lukas Plan email	2024-06
-	211	Systeme Biolles - Squelettes - Crolleurs	France	Savoie	Margeriaz	16.16	26001	1939	591	Liste des cavites naturelles les plus longues de France	2022-06
-	212	Gran Sistema Cavernaio de Fuentes	Cuba	Pinae del Rio	Sierra de Mesa	16.16	26000	0	0	The International Caver #8	2017-06
-	213	Perdidos (sis.cavernario de los)	Cuba	Pinar del Rio	S. del Roario	16.16	26000	0	0	Speleolgia	2017-05
-	214	Rumbling Falls Cave.	USA	Tennessee	Van Buren	16.09	25895.95	474	144.48	Marion O.Smith per TCS	2015-02
-	215	Mystery Cave System	USA	Missouri	Perry	15.84	25495.23	150	45.72	M.S.S. Walsh	2015-02
UW	216	Sistema Nohoch Pek - Muk K'in (Underwater)	Mexico	Quintana Roo	Tulum	15.81	25437	61	18.6	QRSS Long Caves List	2019-07
	217	Labyrinthhöhle im Eisernen Bergl	Austria	Warscheneck	Oberösterreich	15.77	25386	2529.5	771	Lukas Plan email	2024-06
Q	218	Krem Puri (Sandstone)	India	Meghalaya	Khasi Hills	15.73	25317	98.4	30	Descent N275P15
	219	DÖF-Sonnenleiter-Höhlensystem	Austria	Totes Gebirge	Steiermark	15.70	25273	3582.7	1092	Lukas Plan email	2024-06
-	220	Tjoarvekrajgge	Norway	Nordland	Sorfold	15.64	25167	1630.6	497	Torstein Finnesand e-mail	2016-06
UW	221	Sistema Nohoch Pek - Muk K'in	Mexico	Quintana Roo	Tulum	15.63	25160	61	18.6	QRSS Long Caves List	2019-07
-	222	Fern Cave (597)	USA	Alabama	Jackson	15.63	25154.05	536	163.37	Fern Cave Project	2017-06
-	223	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
-	224	Mountain Eye Cave System (Saltpeter)	USA	Tennessee	Fentress	15.59	25084.84	280	85.34	Tenn. Cave Survey	1987-03
-	225	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
-	226	Torca del Regato Calero	Spain	Cantabria	-	15.53	25000	1148.3	350	Jose Luis Membrado e-mail	2020-08
-	227	Complejo de Orbaneja del Castillo	Spain	Burgos	-	15.53	25000	0	0	Jose Luis Membrado e-mail	2021-01
-	228	Pestera Topolnita (Sistemul Topolnita-Epuran)	Romania	Mehedinti	Podisul Mehedinti	15.53	25000	416.7	127	Romania-Natural	2020-04
G	229	Krasnaya (Kyzyl-Toba) (Qizil Qoba)	Ukraine	Crimea	-	15.18	24430	656.2	200	Inced O. e-mail	2016-01
L	230	Hualalai Ranch Cave	USA	Hawaii	Hawaii	15.05	24217	1449.1	441.7	Doug Medville e-mail	2016-03
-	231	Cave Creek Cave System	USA	Kentucky	Pulaski	15.01	24156.25	170	51.82	COG Squeaks	2016-05
-	232	Groaning Cave	USA	Colorado	Garfield	15.00	24140.16	149	45.42	Derek Bristol e-mail	2016-08
-	233	Foglepole Cave	USA	Illinois	Monroe	15.00	24140.16	0	0	NSS News V56N4P114	1998-04
-	234	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
-	235	Illyuzia-Mezhonnogo-Snezhnaya	Georgia	Abkhazia	West Caucasus	14.96	24080	5774.3	1760	Web	2016-08
-	236	Gouffre Nebele	France	Pyrenees-Atlantiques	Aquitaine	14.94	24038	1558.4	475	Liste des cavites naturelles les plus longues de France	2022-06
-	237	Clearwell Caves (Part Mine)	United Kingdom	England	Gloucestershire	14.91	24000	351	107	www.ukcaves.co.uk/all-longest	2017-06
-	238	Cueva Guerta	Spain	Asturias	Pena Biguere	14.86	23919	0	0	Jose Luis Membrado e-mail	2025-03
-	239	Torca de la Vaca - Wild Mare	Spain	Cantabria	Entrambasaguas	14.86	23914	219.8	67	Juan Corrin e-mail	2021-01
-	240	Benedicts (Persinger) Cave	USA	West Virginia	Greenbrier	14.85	23898.76	254	77.42	WVASS Database	2016-06
-	241	Sistema Soconusco - Aire Fresco	Mexico	Chiapas	-	14.82	23856	2076.8	633	-
-	242	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
-	243	Akkado	Japan	Iwate	-	14.73	23700	0	0	-	2016-05
-	244	Akkado (Akiyoshido)	Japan	Iwate	-	14.73	23700	0	0	-
-	245	Stratenska jaskyna - Psie diery ??	Slovakia	Spissko-gemersky	Slovensky raj	14.71	23670	636.5	194	www.drienka.host.sk/najdlhsie.php	1988-10
-	246	Big Horn - Horsethief Cave System	USA	Wyoming / Montana	Bighorn	14.62	23520.56	171	52.12	Even Gehring e-mail	2015-02
-	247	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
	248	Kolkina Cave	Bulgaria	Sofia Province		14.50	23297.00	1840.6	561	Elfi Hristova email	2024-04
-	249	Systeme de Foussoubie	France	Ardeche	Bas-Vivarais	14.46	23266	452.8	138	Xavier Robert e-mail	2019-04
-	250	Cueva del Soplao	Spain	Cantabria	Sierra de Arnero	14.45	23253	0	0	Jose Luis Membrado e-mail	2019-10
	251	Sistema Crustacea	Mexico	Quintana Roo	Tulum	14.41	23183			CINDAQ annual project report	2024-02
	252	Interessante Höhle	Austria	Hagengebirge	Salzburg	14.35	23095	2096.5	639	Lukas Plan email	2024-06
-	253	Cueva Coyolat	Mexico	Puebla	Tlacotepec	14.29	23000	2034.1	620	Gustavo e-mail AMCS#29	2016-05
-	254	Complesso Fiume-Vento	Italy	Marche	Frasassi	14.29	23000	803.8	245	http://www.Class.del.g.piulunghe/profon.d'Italia	2009-07
-	255	Cuevas de Bellamar	Cuba	Matanzas	-	14.29	23000	0	0	http://www.ecured.cu/index.php/Cuevas_de_Bellamar	2016-10
-	256	Mini - Martin Cave - Exit Cave	Australia	Tasmania	Ida Bay	14.29	23000	721.8	220	Sherry Juneo	2017-06
-	257	Sistema de Cubija (North Vega System)	Spain	Cantabria	Matienzo	14.26	22949	482.3	147	Juan Corrin e-mail	2023-01
-	258	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
-	259	Rimstone River Cave	USA	Missouri	Perry	14.20	22852.68	140	42.67	M.S.S. Walsh	2015-02
	260	Burgunderschacht	Austria	Totes Gebirge	Steiermark	14.16	22795	2782.2	848	Lukas Plan email	2024-06
-	261	Bone - Norman Cave System	USA	West Virginia	Greenbrier	14.12	22720.72	186	56.69	Bill Douty e-mail	1997-12
-	262	Conjunto Sao Mateus/Imbira	Brazil	Goias	Sao Domingos	14.06	22630	0	0	As Maiores Cavernas Do Basil	2020-01
G	263	Kryshtaleva (Kristal'naja)	Ukraine	Ternopil	Borshchiv	14.05	22610	66	20	cavemlynky@gmail.com	2017-09
-	264	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
-	265	Riesending-Schachthohle	Germany	Bavaria	Untersgberg Mtns.	14.04	22600	3769.7	1149	Thomas Matthalm e-mail	2019-08
-	266	Grotte d'Arphidia	France	Pyrenees-Atlantiques	Pierre Saint Martin	14.03	22575	2336	712	Jean-Yves Bigot	2016-01
-	267	Pleasant Ridge Cave	USA	Tennessee	Cannon	14.01	22551.74	340	103.63	Hal Love email	2016-12
-	268	Jenolan System	Australia	NSW	-	13.98	22503	347.8	106	Mark Sefton e-mail	2016-07
-	269	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
-	270	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	271	Sistema Ponderosa (Under Water & Dry)	Mexico	Quintana Roo	Tulum	13.77	22167	93.2	28.4	QRSS Long Caves List	2019-07
-	272	Pestera din Pârâul Hodobanei	Romania	Bihor	Mtii Bihor	13.76	22142	593.8	181	Liviu Valenas e-mail	2022-03
-	273	Abisso Bueno Fonteno	Italy	Lombardia	Fonteno	13.67	22000	0	0	Speleologia N68P102-103	2016-06
-	274	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
-	275	Sistema del Hoyon de Saco(Sistema del Hoyo Grande)	Spain	Cantabria	Porracolina	13.55	21800	1738.8	530	Clasificacion Por Desnivel	2016-07
-	276	Krem Tyngheng/Diengjem	India	Meghalaya	Jaintia Hills	13.53	21775	0	0	Descent 243 P33	2017-06
-	277	Sistema del Rio Encantado	Puerto Rico	-	Florida,Ciales,Manati	13.53	21770	1128.6	344	Mark Minton e-mail
-	278	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
-	279	Castleguard Cave	Canada	Alberta	Rockies	13.24	21311	1259.8	384	Canada Long and Deep Caves Assembled by Pat Shaw	2022-08
-	280	Jaskyna Mrtvych netopierov ??	Slovakia	Nizke Tatry	Dumbier	13.08	21042	1063	324	www.drienka.host.sk/najdlhsie.php	1988-10
-	281	Tham Pha Soung System (Tham Hay)	Laos	Khammouane	Ban Phondou	13.06	21012	232.9	71	Liviu Valenas e-mail	2009-07
-	282	Gaping Gill System	United Kingdom	England	Northern Dales	13.05	21000	629.9	192	www.ukcaves.co.uk/all-longest	2018-02
-	283	De Gamile Chine Xao (Chjine Xjo, Xine Xao)	Mexico	Oaxaca	-	13.00	21000	1080	330	Chris Andrews	2019-03
-	284	Abisso Paolo Roversi	Italy	Toscana	Alpi Apuane	13.05	21000	4461.9	1360	web	2022-01
-	285	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
-	286	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
L	287	Emesine Cave (1881 System)	USA	Hawaii	Hawaii	12.89	20744.4	1433.1	436.8	Don Coons e-mail	2016-03
-	288	Cloud Cave - Cobra Cave - Bridge System	Malaysia	Sarawak	Mulu	12.82	20632	1082.7	330	Mulu Caves Project	2021-10
-	289	Mystery Cave System	USA	Minnesota	Fillmore	12.79	20583.51	101	30.78	Minnesota Speleology	1987-08
-	290	Pielklieng-Sielkan Pouk river cave	India	Meghalaya	Jaintia Hills	12.75	20522	0	0	Descent N275P15	2009-07
-	291	Selminum Tem	Papua New Guinea	Western Prov.	Hindenburg Rng	12.74	20500	449.5	137	B.C.R.A. Bulletin
-	292	Baradla-Barlang	Hungary	Borsod-Abaúj-Zemplén	Aggtelek Karst;	12.74	20500	367.5	112	www.ariadneegyesulet.hu	2017-06
-	293	Anvil Cave (279)	USA	Alabama	Morgan	12.67	20385.56	51	15.54	Alabama Cave Survey	1980-04
-	294	Gradys (Mammoth River) Cave System	USA	Kentucky	Hart	12.60	20277.73	120	36.58	Carbide Caver V7I9P111	1998-10
-	295	Sistemul Ciur - Ponor - Toplita de Rosia	Romania	Bihor	Mtii Padurea Craiului	12.52	20150	748	228	Victor Ursu e-mal	2021-10
-	296	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
-	297	Cave system of Crnelsko brezno	Slovenia	Julian Alps	Rombonski Podi	12.47	20066	4570.2	1393	Peter Svete e-mail	2021-10
-	298	Cueva del Tornero	Spain	Guadalajara	Alto Tajo	12.43	20000	0	0	Jose Luis Membrado e-mail	20223-04
-	299	Aven Noir	France	Aveyron	Grands Causses	12.43	20000	557.7	170	Liste des cavites naturelles les plus longues de France	2022-06
-	300	Reseau Fanges - Paradet	France	Pyrenees-Orientales	Fenouilledes	12.28	19763	990.8	302	Bernard Ournie e-mail	2021-05
-	301	Dry Cave	USA	New Mexico	Eddy	12.22	19669.4	279	85.04	Stan Allison via Pete	2016-03
-	302	SchrattenHoehle	Switzerland	Obwalden	Kerns	12.21	19645	1879.9	573	http://ch.speleo.info	2009-07
-	303	Stagebarn Crystal Cave	USA	South Dakota	Meade	12.15	19553.5	383.6	116.92	Derek Wolfe e-mail	2023-11
	304	Woising-Höhlensystem	Austria	Totes Gebirge	Stmk/OÖ	12.13	19529	2194.9	669	Lukas Plan email	2024-06
-	305	Ellisons Cave	USA	Georgia	Walker	12.13	19516.51	1063	324	Georgia Underground V24N1	1987-03
-	306	Lingshandong	China	Guizhou	Zhengan	11.99	19301	1591.2	485	Long Caves in China by Erin Lynch	2016-01
-	307	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
-	308	Wit Tamdoun	Morocco	Agadir	Immouzer	11.89	19128	0	0	Caves & Caving I84
-	309	Sistema del Faro-Isla de Mona	Puerto Rico	Isla de Mona	Mayaguez	11.87	19100	118.1	36	Marc Ohms e-mail	2017-04
-	310	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
-	311	Ariadne Cave System	Hungary	Borsod-Abaúj-Zemplén	North-Central Mountains	11.81	19000	669.3	204	www.ariadneegyesulet.hu	2017-06
-	312	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
-	313	Rede Toneyo	Spain	Asturias	Macizo del Cornion	11.79	18970	2014.4	614	List of Spains Longest & Deepest (WWW)	1998-04
-	314	Cueva del Nacimiento	Spain	Cantabria	Picos de Europa	11.80	18925	1758.2	536	Jose Luis Membrado e-mail	2024-12
-	315	Hang khe Rhy	Vietnam	Quang Binh	Phong Nha-Ke Bang	11.76	18920	393.7	120	Peter MacNab e-mail	2008-07
UW	316	Cathedral-Falmouth System	USA	Florida	Suwannee	11.74	18893.7	429.1	130.8	Andrew Pitkin e-mail	2022-01
-	317	Cueva del Hoyo Salcedillo	Spain	Cantabria	Porracolina	11.68	18800	1745.4	532	Jose Luis Membrado e-mail	2015-02
-	318	Russell Cave (N.M.) (169)	USA	Alabama	Jackson	11.61	18675.71	405.8	123.7	Jason Richards	2017-11
-	319	Wells Cave	USA	Kentucky	Pulaski	11.50	18501.02	0	0	NSS News V57N10P308	1999-10
L	320	Cueva del Viento-cueva del Sobrado	Spain	Canarias Island	Tenerife Is.	11.50	18500	1837.3	560	Jose Luis Membrado e-mail	2-2020
-	321	Complesso Mutera - Fantozzi	Italy	Piemonte	Ormea	11.44	18403	0	0	Speleologia N68P102-103	2016-06
-	322	ARGO Cave System	Canada	BC	Vancouver Island	11.43	18401	1332	406	Canada Long and Deep Caves Assembled by Pat Shaw	2022-08
-	323	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	324	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
-	325	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
-	326	Krem UmTHLOO-SYNRANG Labbit	India	Meghalaya	Jaintia Hills	11.33	18234	616.8	188	Descent N275P15
Q	327	Cueva del Saman	Venezuela	Edo Zulia	Fundo las Pis.	11.31	18200	0	0	Franco Urbani	2017-06
-	328	Luweng Jaran System	Indonesia	Java Timur	Pacitan	11.31	18200	393.7	120	Caves of Malaysia	2017-06
-	329	Duhlata (D(a)(ou)hklata)	Bulgaria	Pernik	Vitoshaq	11.31	18200	229.7	70	Caves of Bulgaria	2016-07
-	330	Reseau de Malissard	France	Isere / Savoie	Chartreuse	11.28	18160	1361.5	415	Liste des cavites naturelles les plus longues de France	2022-06
-	331	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
-	332	Pestera de la Izvorul Tausoare	Romania	Bistrita-Nasaud	Mtii Rodnei	11.25	18107	1512.5	461	Victor Ursu e-mal	2021-10
-	333	Ambatoharanana	Madagascar	Ambilobe	Ankarana	11.25	18100	0	0	Atlas - Great Caves of the world
-	334	Cueva de Mairuelegorreta	Spain	Araba	Gorbea	11.24	18088	0	0	Jose Luis Membrado e-mail	2018-08
-	335	Crumps Spring Cave	USA	Kentucky	Hart	11.20	18025	140	42.67	Ronnie Harrison e-mail	2019-03
-	336	Grotte de Gournier	France	Isere	Vercors	11.19	18000	2231	680	Liste des cavites naturelles les plus longues de France	2022-06
-	337	Goochland - Poplar Cave Complex	USA	Kentucky	Rockcastle	11.18	17992.47	0	0	Kentucky Speleo-Fest Guidebook	2016-06
-	338	Stefanova	Slovakia	Nizke Tatry	Demanovske vrchy	11.17	17981	423.2	129	Pavel Herich e-mail	2016-07
-	339	Predjamski sistem	Slovenia	-	-	11.15	17945	551.2	168	Long Cave List	2019-09
-	340	Sistema sima GESM - sima de la Luna	Spain	Malaga	Tolox	11.15	17940	3602.4	1098	Jose Luis Membrado e-mail	2022-03
Q	341	Charles Brewer Cave System (Quartzite)	Venezuela	Bolivar	Churi Tepui	11.06	17800	361	110	Venezuelan tepuis-their caves and biota	2018-02
-	342	Peak/Speedwell System (part mine)	United Kingdom	England	Derbyshire	11.03	17750	813.6	248	www.ukcaves.co.uk/all-longest	2016-07
-	343	Tanne aux Cochons - Tanne Froide	France	Savoie	margeriaz	11.00	17694	2700	825	Liste des cavites naturelles les plus longues de France	2022-06
-	344	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
-	345	Lazareva Cave	Serbia	Central Serbia	Bor	10.87	17501	354.3	108	Robert Misic	2024-09
-	346	Sistema de Partacua	Spain	Huesca	Pirineos	10.83	17427	2706.7	825	Jose Luis Membrado e-mail	2018-08
-	347	Grotta del Bue Marino	Italy	Sardinia	Dorgali	10.81	17400	0	0	Speleologia N68P102-103	2016-06
-	348	Aven du Sotch de la Tride	France	Aveyron	Grands Causses	10.81	17400	1122	342	Liste Drouin	2017-06
-	349	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	350	Kona Mala Cave	USA	Hawaii	Hawaii	10.78	17341	185.4	56.5	Tomislav Gracanin files	2014-01
-	351	Portal-BoarHole System (Boartal)	USA	West Virginia	Greenbrier	10.72	17252.17	333	101.5	WVACS	2022-01
-	352	Blowhole (Nichole's) Cave	USA	Tennessee	Cannon	10.71	17233.9	172	52.43	Derek Wolfe e-mail	2020-02
-	353	Sima del Aire	Spain	Malaga	Sierra de las Nieves	10.70	17218	2362.2	720	Jose Luis Membrado e-mail	2025-01
-	354	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
-	355	Sistema la Verdilluenga	Spain	Asturias	Picos de Europa	10.69	17196	2969.2	905	Jose Luis Membrado e-mail	2017-11
-	356	Tham Chom Ong System	Laos	Xai	Oudoaxay	10.66	17150	0	0	Eurospeleo Magazine N2P66	2009-07
-	357	Conjunto Santa Rita	Brazil	Iraquara	Bahia	10.59	17050	0	0	As Maiores Cavernas Do Basil	2020-01
-	358	Cueva Tonio - Cayueia	Spain	Cantabria	Porracolina	10.57	17005	1729	527	Jose Luis Membrado e-mail	2019-09
-	359	Neide - Muruk Cave	Papua New Guinea	New Britain	Galowe Plateau	10.56	17000	4127.3	1258	Deep Cave List by Philippe Drouin
-	360	Complesso Ispinigoli - S.Giovanni Su Anzu-Nurachi	Italy	Sardinia	Dorgali	10.56	17000	0	0	Speleologia N68P102-103	2016-06
-	361	Katalehkhor Cave	Iran	Zanjan	-	10.56	17000	0	0	-
-	362	Petroglyph Cave (part of the Caves Branch S.)	Belize	-	-	10.56	17000	0	0	Tom Miller e-mail	2016-01
-	363	Complejo Gesarribe	Spain	Guipuzkoa	Oñati	10.50	16891	459.3	140	Jose Luis Membrado e-mail	2025-03
UW	364	Cenote Zapote	Mexico	Quintana Roo	Tulum	10.42	16768	92	28	QRSS Long Caves List	2019-07
-	365	Aven de la Leicasse	France	Herault	Grands Causses	10.27	16530	1168	356	Jean-Yves Bigot	2016-01
-	366	Lapa Doce ll	Brazil	Iraquara	Bahia	10.25	16500	0	0	As Maiores Cavernas Do Basil	2020-01
-	367	James (Thousand Domes) Cave	USA	Kentucky	Edmonson	10.25	16495.78	0	0	Glenn Merrill	1984-07
-	368	Kolkina Dupka	Bulgaria	Sofia	Balkan Mountains	10.24	16471	1778.2	542	Wikipedia	2022-08
-	369	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	370	Sistema Roraima Sur (Ojos Cristal Cave System)	Venezuela	Bolivar	Roraima Tepui	10.19	16400	240	73	2009 NSS/ICS Kerrville Texas
-	371	Sustav Dulin ponor - Medvedica	Croatia	Hrvatska	Ogulin	10.19	16396	272.3	83	http://public.srce.hr/speleo/karta.html	2017-06
-	372	Gruta do Padre	Brazil	Bahia	Santana	10.18	16390	0	0	As Maiores Cavernas Do Basil	2020-01
-	373	Lapa São Vicente l	Brazil	Goias	Sao Domingos	10.18	16390	0	0	As Maiores Cavernas Do Basil	2020-01
-	374	Pestera din Valea Rea	Romania	Bihor	Mtii Bihor	10.16	16357	1220.5	372	Victor Ursu e-mal	2022-03
-	375	Silvertip Cave System	USA	Montana	Flathead	10.16	16350.94	997.4	304	Jason Ballensky e-mail	2022-05
UW	376	Sistema Doggi	Mexico	Quintana Roo	Felipe Carrillo Puerto	10.13	16307.8	50.9	15.5	QRSS Long Caves List	2019-07
-	377	Tham Kon Nam/Tham Hang Phung/Tham Luong	Laos	Boualapha	Khammouane	10.13	16300	164	50	Peter MacNab FB	2009-07
G	378	Sistema Kulogorskaya-Troya .	Russia	Arkhangelsk	Pinega	10.10	16248	59.1	18	Karst and cave Pinega's - Victor Malkov, Evgeny Gurkalo	2017-06
-	379	Sarah Furnace (Porter's) Cave	USA	Pennsylvania	Clarion	10.01	16221	21	6.4	Bert Ashbrook e-mail	2025-01
-	380	Blauhòhlensystem	Germany	Badem-Wurittenburg	-	10.05	16180	0	0	Kurt Kohler e-mail	2016-12
	381	Kimble Pit Cave	USA	West Virginia	Pendelton	10.03	16141.7	428	130.5	GVKS(Germany Valley Karst Survey), WVASS	2024-12
-	382	Vinegar Ridge (Buckingham Palace) Cave	USA	Kentucky	Hart	10.00	16093	211	64.31	Ronnie Harrison e-mail	2019-03
-	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	Hidden River Cave	USA	Kentucky	Hart	10.00	15871.76	0	0	Dave West email	2024-07
-	394	Dunbar Cave - Roy Woodard System (Saltpeter)	USA	Tennessee	Montgomery	9.85	15852.04	119	36.27	Tony Groves e-mail	2016-09
UW	395	Entrada Caapechen (Cenote Manatee)	Mexico	Quintana Roo	Tulum	9.72	15638	91.9	28	QRSS Long Caves List	2019-07
G	396	Évent de Rognès	France	Occitanie	-	9.69	15600	91.9	173	Liste des cavites naturelles les plus longues de France	2022-06
-	397	Sullivan Cave	USA	Indiana	Lawrence	9.63	15501.2	105	32	Long cave list for Indiana, Indiana Cave Survey	2017-03
-	398	Big Bone Cave (Saltpeter)	USA	Tennessee	Van Buren	9.63	15493.15	226	68.88	John Smyre	1984-06
-	399	Sistema de las Bernias	Spain	Burgos	Lunada	9.60	15469	905.5	276	Jose Luis Membrado email	2024-06
UW	400	Springs Cave, Jackson Blue	USA	Florida	Jackson	9.59	15436	100.1	30.5	Ben Martinez e-mail	2018-04
-	401	Cueva de la Cullalvera	Spain	Cantabria	Ramales de la Victoria	9.59	15433	524.9	160	Jose Luis Membrado e-mail	2023-07
-	402	Leandras Cave	USA	Arizona	Coconino	9.55	15364.41	378	115.21	map at park Headquarters via Greg e-mail	2016-06
-	403	Hang Vom	Vietnam	Quang Binh	Phong Nha-Ke Bang	9.51	15310	0	0	Peter MacNab e-mail	2008-07
-	404	Boqueirão	Brazil	Bahia	Carinhanha	9.47	15240	0	0	As Maiores Cavernas Do Basil	2020-01
-	405	Boybuloq (Boylok)	Uzbekistan	Uzbekistan	Gissaro-Alay	9.45	15212	4690	1430	Primož Jakopin email	2024-04
-	406	Cueva de Alpazat	Mexico	Puebla	-	9.45	15200	0	0	http://www.amcs-pubs.org/longanddeep.html	2016-01
-	407	Kacna Cave (System)	Slovenia	Divaski Karst	-	9.43	15181	918.6	280	Longest & Deepest Caves of Slovenia	2016-09
-	408	Tham Xe Bang Fai	Laos	Khammouane	Thakhek	9.43	15180	0	0	Caves of Malaysia	2009-07
-	409	Sof Omar Holluca	Ethiopia	Bale	Ityopya	9.38	15100	49.2	15	Atlas - Great Caves of the World
-	410	Megamania Cave	New Zealand	South Island	Heaphy Valley	9.33	15007	0	0	Lindsay Main NZ Speleological Soc. Info Officer	2022-08
-	411	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
-	412	Gratta Su Bentu - Sa Oche	Italy	Sardinia	Nuoro	9.32	15000	0	0	http://www.Class.del.g.piulunghe/profon.d'Italia	2017-06
-	413	Grotte de la Cigalere	France	Ariege	Pyrenees	9.32	15000	748	228	Philippe Audra (Spelunca N66)	2017-06
-	414	Sistema Constantino	Cuba	Pinar del Rio	-	9.32	15000	0	0	WLCL
-	415	Ozto J2	Mexico	Oaxaca	Cuicatlan	9.22	14840	4032.2	1229	Mark Minton e-mail	2016-01
-	416	Kimble Pit	USA	West Virginia	Pendleton	9.22	14838.15	427	130.14	Corey Hackley e-mail	2021-11
-	417	Cueva del Lobo	Spain	Cantabria	-	9.18	14780	931.8	284	Jose Luis Membrado e-mail	2016-01
UW	418	Sistema Dos Pisos	Mexico	Quintana Roo	Tulum	9.17	14756	80.1	24.4	QRSS Long Caves List	2019-07
-	419	Ludingtons Cave	USA	West Virginia	Greenbrier	9.14	14709.4	250	76.2	Joseph Caldwell l	2016-01
-	420	Diros Cave	Greece	Peloponnese	Laconia	9.13	14700	196.9	60	Panagiotis Papadakos email	2024-10
	421	Hochscharten-Höhlensystem	Austria	Hoher Göll	Salzburg	9.11	14668	4573.5	1394	Lukas Plan email	2024-06
-	422	Wyandotte Cave	USA	Indiana	Crawford	9.10	14645.03	256	78.03	Long cave list for Indiana, Indiana Cave Survey	2017-03
-	423	Rice Cave (Saltpeter)	USA	Tennessee	Van Buren	9.10	14645	210	64.01	Tenn.Cave Survey	2021-10
-	424	Complejo Piscarciano-Vacas-Arenas	Spain	Burgos	Haz de Arreba	9.10	14642	0	0	Jose Luis Membrado e-mail	2021-02
UW	425	Cova de sa Gleda - Camp des Pou.	Spain	Balearics	Manacor	9.08	14620	82	25	Jose Luis Membrado e-mail	2021-03
-	426	Systeme de Sauvas-Cocaliere	France	Ardeche	Bas-Vivarais	9.01	14500	292	89	Jean-Yves Bigot	2016-01
-	427	Skydusky Hollow Cave System (Newberry - Bane - Buddy Penley Cave)	USA	Virginia	Bland	9.00	14484.1	380	115.82	Ed Devine	2021-11
UW	428	Pozo Azul	Spain	Burgos	Covanera	8.96	14415	232.9	71	Jose Luis Membrado e-mail	2021-03
-	429	Dry Cave	USA	West Virginia	Greenbrier	8.95	14403.63	314	95.71	Socky	2022-11
-	430	Duncan Field System	USA	Oklahoma	Adair	8.92	14355.35	124	37.8	Keith (Andy) Harris e-mail	2017-04
-	431	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
-	432	Falls Cave	USA	Arizona	Coconino	8.87	14271	258.3	78.7	Paul Burger	2023-02
UW	433	Sistema Murena - Aak Kimin	Mexico	Quintana Roo	Tulum	8.87	14268.6	225.1	68.6	QRSS Long Caves List	2019-07
-	434	Fuchslabyrinth	Germany	Badem-Wurittenburg	-	8.86	14261	0	0	Andreas Wolf List of Longest Caves in Germany	2016-12
-	435	Synrang Pamiang	India	Meghalaya	-	8.80	14157	1040	317	BCRA I12P16
	436	Tonion-Höhlensystem	Austria	Tonion	Steiermark	8.79	14140	1902.9	580	Lukas Plan email	2024-06
-	437	Slaughter Stream Cave	United Kingdom	South Wales	Forest of Dean	8.70	14000	328.1	100	Eric Madelanine list	2006-07
-	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	Torca de la Llana de Len	Spain	Cantabria	Porracolina	8.45	13603	2047.2	624	Jose Luis Membrado e-mail	2023-04
-	455	Acme Quarry Cave System	USA	West Virginia	Greenbrier	8.45	13600.57	241	73.46	Ron Fulcher e-mail	2016-07
-	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	Sistema de Pozalaqgua	Spain	Burgos/Araba	Sierra Salvada	8.10	13036	0	0	Jose Luis Membrado e-mail	2021-02
-	477	Blanchard Springs Cave	USA	Arkansas	Stone	8.10	13035.69	89.9	27.4	Dave Bunnell	2001-05
-	478	Climax Cave	USA	Georgia	Decatur	8.10	13035.69	80	24.38	Map	2016-05
-	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	Gouffre Mirolda / Lucien Bouclier	France	Haute Savoie	Samoens	8.08	13000	5685.7	1733	Philippe Audra (Spelunca N66)	2017-06
-	486	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
-	487	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
-	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
-	516	Sistemul Zapodie - Pestera Neagra	Romania	Bihor	Mtii Bihor	7.66	12320	587.3	179	Liviu Valenas e-mail
-	517	Mactingol Cave	Philippines	Samar Island	-	7.64	12300	0	0	Atlas of the Great Caves and Karst of Southeast Asia P211	2021-10
-	518	Rudickê propadani	Czech Rep.	-	-	7.64	12300	590.6	180	Eric Madelanine list	2006-07
-	519	Renejevo brezno - P4	Slovenia	Julian Alps	Kaninski podi	7.64	12296	4337.3	1322	Long Cave List	2020-08
-	520	Cuves de Sassenage	France	Auvergne-Rhone-Alpes	-	7.64	12295	1515.7	462	Liste des cavites naturelles les plus longues de France	2022-06
-	521	Blue Water Cave	Philippines	Baggao	Cagayan	7.63	12276	869.4	265	Henry Bennett e-mail	2022-08
-	522	Gua Salukkan Kallang	Indonesia	Sulawesi Selatan	Kappang	7.62	12260	0	0	Caves of Malaysia	2017-06
-	523	Atlixicaya	Mexico	-	-	7.58	12200	0	0	Eric Madelanine list	2006-07
-	524	Gardner's Gut	New Zealand	South Island	Waitomo	7.58	12197	0	0	Eric Madelanine list	2016-01
-	525	Haws Spring Cave	USA	Tennessee	Cannon	7.58	12192.39	150	45.72	TCS	1996-01
	526	Lofererschacht	Austria	Loferer Steinberge	Salzburg	7.53	12126	2644.4	806	Lukas Plan email	2024-06
-	527	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
	528	Yum Kaax	Mexico	Quintana Roo	Akumal	7.52	12107	65.6	20	Jan Sirotek email	2024-01
-	529	Neuenburgerhöhle	Switzerland	Frluhli	LU	7.51	12086	711.9	217	List of Swiss Long k& Deep Caves	2009-07
-	530	Long Hollow (Dyke's/Mud-&-Slime) Cave System	USA	Kentucky	Pulaski	7.50	12065.25	235	71.63	Mark Turner e-mail	1998-11
-	531	Sniezna Studnia	Poland	-	Tatra Mountains	7.49	12050	2503.3	763	Polish Caving 2005-2020 09	2021-02
-	532	Andriafiabe	Madagascar	Ambilobe	Ankarana	7.48	12030	0	0	Eric Madelanine list
-	533	St.Beatus-Höhlen	Switzerland	Beatenberg	BE	7.47	12015	1158.1	353	List of Swiss Long k& Deep Caves	2022-03
-	534	Sistema Chango Mistico	Mexico	Quintana Roo	Tulum	7.46	12006	0	0	QRSS Long Caves List	2021-05
-	535	Helictite Cave	USA	Virginia	Highland	7.46	12002	205.6	62.67	Nathan Farrar e-mail	2018-01
-	536	Pinargozü Magarasi	Turkey	Isparta	Yenisarbademli	7.46	12000	2165.4	660	Caves and Caving I72	2020-11
-	537	Cueva Pitch	Mexico	-	-	7.46	12000	0	0	Eric Madelanine list	2006-07
-	538	Tham Phi Xua	Laos	Khammouane	Thakhek	7.46	12000	1525.6	465	Atlas of the Great Caves and Karst of Southeast Asia P113
-	539	Tham Lo	Laos	Khammouane	Thakhek	7.46	12000	328.1	100	Atlas of the Great Caves and Karst of Southeast Asia P113	2017-06
-	540	Grotta della Mottera	Italy	-	-	7.46	12000	2034.1	620	Eric Madelanine list	2006-07
G	541	Grotte de Malaval	France	Occitanie	-	7.46	12000	777.6	237	Liste des cavites naturelles les plus longues de France	2022-06
G	542	Grotte de Fontrabiouse	France	Occitanie	-	7.46	12000	196.9	60	Liste des cavites naturelles les plus longues de France	2022-06
-	543	Igue de la Vayssière	France	Occitanie	-	7.46	12000	82	25	Liste des cavites naturelles les plus longues de France	2022-06
-	544	Rèseau de Lavayssiere	France	-	-	7.46	12000	0	0	Eric Madelanine list	2006-07
	545	Windlöcher-Klingertalschacht	Austria	Untersberg	Salzburg	7.46	12000	1348.4	411	Lukas Plan email	2024-06
-	546	Pixan Bel	Mexico	Quintana Roo	Tulum	7.39	11899	0	0	QRSS Long Caves List	2021-05
-	547	Labyrinthe d'Antsarahaso	Madagascar	Andraafiamena	Analamera	7.38	11879	0	0	Atlas of the Great Caves and Karst of Africa Part 1
-	548	Sistema Atepetaco (Miquizco + Viento + Mama Mia)	Mexico	Puebla	-	7.38	11876	0	0	http://www.mexicancaves.org/geninfo/longanddeep.html	2019-03
-	549	Mala Boka - BC4 System	Slovenia	Julian Alps	Bovska Kotlina	7.38	11875	4327.4	1319	Marko Erker e-mail	2016-08
UW	550	Lineater (Stevenson Spring)	USA	Florida	Hamilton	7.36	11851	174.9	53.3	Andy Pitkin FB	2022-01
-	551	Sistema del Risco	Spain	Cantabria	Matienzo	7.36	11840	315	96	Juan Corrin e-mail	2023-01
-	552	Grayson Gunnar Cave	USA	Kentucky	Wayne	7.32	11785.23	180	54.86	Harry Goepel FB	2022-09
-	553	Bilemot Kul	South Korea	Cheju Island	-	7.30	11749	803.8	245	On Lava Caves in Japan and Vivinity	2016-08
L	554	LZ/YZ-31	Spain	Canarias Island	Lanzarote	0.55	11700	0	0	Laurens Smets e-mail	2022-12
-	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
L	572	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
-	573	McFail's Cave	USA	New York	Schoharie	7.09	11411.86	295	89.92	Simeon Warner e-mail	2016-08
-	574	Cyclops Cave	USA	Virginia	Russell	7.08	11394.16	424	129.24	J.Christie e-mail	2016-06
UW	575	Sistema MOAC	Mexico	Quintana Roo	Tulum	7.07	11369.3	45.9	14	QRSS Long Caves List	2019-07
-	576	Hölloch	Germany	Bavaria	-	7.05	11346	1482.9	452	Andreas Wolf List of Longest Caves in Germany
-	577	Zarathustra Cave (Saltpeter)	USA	Tennessee	Fentress	7.03	11313.69	60	18.29	Bill Dean	1986-07
-	578	Tham Ban Chom Ong	Laos	-	Oudoaxay	7.02	11300	0	0
UW	579	Manantial del Toro	Dominican Republic	La Altagracia	Boca de Yuma	7.00	11270	62.3	19	Olivier Testa e-mail	2020-03
-	580	Devils Icebox	USA	Missouri	Boone	6.99	11249.3	0	0	Jeff Crews Email	2024-07
-	581	Bohemia Cave	New Zealand	South Island	Mt Owen	6.98	11230	2339.2	713	Lindsay Main NZ Speleological Soc. Info Officer	2016-01
-	582	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
-	583	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	584	Sistema Cupul Ha (Underwater+Dry)	Mexico	Quintana Roo	Tulum	6.93	11152.4	45.9	14	QRSS Long Caves List	2019-07
-	585	A2, Loubenegg	Switzerland	Beatenberg	BE	6.93	11148	2253.9	687	List of Swiss Long k& Deep Caves	2022-03
	586	Stang-Rotwandl-System	Austria	Steinernes Meer	Salzburg	6.93	11147	659.4	201	Lukas Plan email	2024-06
UW	587	Sistema Chac Mol (Underwater+Dry)	Mexico	Quintana Roo	Tulum	6.90	11108	92.8	28.3	QRSS Long Caves List	2019-07
-	588	Sistema del Alba	Spain	Huesca	Pirineos	6.90	11097	1752	534	Pepe Membrado e-mail	2023-04
-	589	Aven de Rogues	France	Occitanie	-	6.89	11091	830.1	253	Liste des cavites naturelles les plus longues de France	2022-06
-	590	Mira de Aire	Portugal			6.84	11000	0	0	http://liveportugal.pt/en/mira-de-aire-caves/	1999-01
-	591	Khabjui	Georgia	-	-	6.84	11000	0	0
-	592	Tskhogorskaja 1-2-Troja, NRP	Georgia	-	-	6.84	11000	0	0		2016-01
-	593	Grotte des Eaux Chaudes	France	Pyrenees-Atlantiques	Pic de Ger	6.84	11000	2657	810	Jean-Yves Bigot	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	Chinn Springs Cave	USA	Arkansas	Indpendence	6.83	10991.82	252	76.81	Jeff Bartlett e-mail	2016-03
-	597	Sistema San Andres	Mexico	Puebla	Ocotempa	6.83	10988	1555.1	474	http://www.mexicancaves.org/geninfo/longanddeep.html	2019-12
-	598	Fallenfluh-Höhlenstem (Lauiloch, Dreckiges Paradies)	Switzerland	Muotatal	SC	6.83	10985	1522.3	464	List of Swiss Long k& Deep Caves	2022-03
-	599	Tham Luang Nang Non	Thailand	Chiang Rai	Mae Sai	6.82	10982	239.5	73	Martin Ellis e-mail	2023-03
-	600	Sistema del Circo de Armena	Spain	Huesca	Pirineos	6.81	10960	2034.1	620	Jose Luis Membrado e-mail	2021-05
-	601	Da Dong	China	Hubei	Wufeng	6.79	10932	1030.2	314	www.hongmeigui.net/deepandlong.php	2017-04
UW	602	Weeki Wachee Spring	USA	Florida	Hernando	6.79	10930	407	124.05	Andrew Pitkin e-mail	2019-10
	603	Südwandhöhle	Austria	Dachstein	Stmk/OÖ	6.78	10904	1669.9	509	Lukas Plan email	2024-06
-	604	Sistema Quijada de Jaguar (Jaguar Jaw)	Mexico	Quintana Roo	Tulum	6.77	10900	0	0	QRSS Long Caves List	2021-05
UW	605	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
-	606	Trou Souffleur	France	Alpes-Côte d'Azur	-	6.74	10853	3021.7	921	Liste des cavites naturelles les plus longues de France	2022-06
-	607	Breathing Cave	USA	Virginia	Bath	6.74	10847	406.8	124	Gangsta Mappers	2018-01
-	608	Cueva de la Mano	Mexico	Oaxaca	-	6.74	10841	0	0	http://www.mexicancaves.org/geninfo/longanddeep.html	2019-03
-	609	Grotta Beppe Bessone	Italy	Piemonte	Monte Zucco	6.74	10839	403	123	https://catastogrotte-piemonte.net/caves-view-2383.html	2022-12
	610	Lurgrotte	Austria	Grazer Bergland	Steiermark	6.73	10833	849.7	259	Lukas Plan email	2024-06
UW	611	M2 Blue	USA	Florida		6.72	10822	164	50	Andy Pitkin FB	2022-01
-	612	Ambatoanjahana	Madagascar	Ambilobe	Ankarana	6.72	10810	0	0	Atlas of the Great Caves and Karst of Africa Part 1	2017-06
L	613	Hue Hue (Manini Owali) Cave	USA	Hawaii	Hawaii	6.71	10800.3	1623	494.7	Stephan Kempe	1999-10
-	614	Poloska jama	Slovenia	Zaledje Tolminke	-	6.71	10800	2309.7	704	List of Slovenia's Longest & Deepest	2016-05
G	615	Trou du Vent	France	Nouvelle-Aquitaine	-	6.71	10800	341.2	104	Liste des cavites naturelles les plus longues de France	2022-06
CT	616	Mullamullang Cave (Chalk)	Australia	Western Australia	Nullarbur Plain	6.71	10800	439.6	134	Atlas Great Caves of the World	2017-06
-	617	Pestera Polovragi	Romania	Muntii Capatanii	-	6.71	10793	0	0	Romania-Natural	2022-08
	618	Offenbarungs-Eishöhle	Austria	Tennengebirge	Salzburg	6.70	10785	1482.9	452	Lukas Plan email	2024-06
-	619	Simmons Mingo - My Cave System	USA	West Virginia	Rand./Pocahon.	6.70	10782.6	683	208.18	Bob Thrun	1982-06
-	620	Rede de Cerveriz	Spain	Asturias	Somiedo	6.68	10750	1102.4	336	Jose Luis Membrado e-mail	2021-05
-	621	Sherfield's Cave	USA	Arkansas	Newton	6.66	10718.23	58	17.68	Doug Robertson	1992-06
	622	Warwas-Glatzen-Höhlensystem	Austria	Kräuterin	Steiermark	6.65	10702	2509.8	765	Lukas Plan email	2024-06
-	623	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
-	624	Grotte de Han-sur-Lesse	Belgium	Namur	-	6.64	10693	360.9	110	pha@ceram.ciger.be	2017-06
-	625	Complejo Hundidero - Gato	Spain	Malaga	Sierra de Libar	6.63	10670	695.5	212	Jose Luis Membrado e-mail	2021-05
-	626	Vorontsovskaja, WC	Russia	-	-	6.61	10640	0	0	Caves and Caving I59P34S	2017-06
	627	Karrenschacht	Austria	Totes Gebirge	Steiermark	6.61	10640	1332.0	406	Lukas Plan email	2024-06
-	628	Paul Penley Cave	USA	Virginia	Bland	6.60	10621.67	346	105.46	Virginia Speleological Survey	2016-05
-	629	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
-	630	Munizaba	Croatia	Juzni Velebit	Crnopac	6.55	10538	1673.2	510	Aida Bariši? email	2024-12
-	631	Perry Water Cave	USA	Texas	Real	6.55	10535	97.4	29.7	Texas Speleological Survey via Jerry Atkinson e-mail	2022-01
-	632	Grotte de Milandre	Switzerland	Bencourt	JU	6.54	10520	442.9	135	List of Swiss Long k& Deep Caves	2022-03
-	633	Doolin Cave	United Kingdom	-	Co. Clare	6.52	10500	196.9	60	www.ukcaves.co.uk/all-longest	2021-05
-	634	Mossdale Caverns	United Kingdom	-	Northern Dales	6.52	10500	196.9	60	www.ukcaves.co.uk/all-longest	2021-05
-	635	Grotte du Garrel	France	Occitanie	-	6.52	10500	1003.9	306	Liste des cavites naturelles les plus longues de France	2022-06
-	636	Yagodinska Cave	Bulgaria	Yagodina	Rhodope Mountains	6.52	10500	0	0	Wikipedia	2022-08
	637	Grubstein-Westwandhöhle	Austria	Totes Gebirge	Steiermark	6.52	10485	1299.2	396	Lukas Plan email	2024-06
-	638	Antsatrabonko	Madagascar	Ambilobe	Ankarana	6.51	10475	0	0	Atlas of the Great Caves and Karst of Africa Part 1	2017-06
UW	639	Sistema El Puente	Mexico	Quintana Roo	Tulum	6.51	10473.8	295.9	90.2	QRSS Long Caves List	2019-07
-	640	Lost River Cave System	USA	Kentucky	Warren	6.50	10462.35	0	0	Green River Review - Ref. J.Wells	1986-12
-	641	New River Cave	USA	Virginia	Giles	6.49	10441.96	359	109.42	Dave West email	2024-07
	642	Maaras	Greece	Macedonia	Drama	6.48	10441	232.9	71	Panagiotis Papadakos email	2024-10
-	643	Lachenstock-Höhlensystem	Switzerland	Innerthal	SZ	6.47	10413	876	267	List of Swiss Long k& Deep Caves	2022-03
-	644	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	645	Spipola-Aquafredda	Italy	-	-	6.46	10400	360.9	110	Alexander Klimchouk Longest Gypsum caves of the world	2016-06
-	646	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
-	647	Complejo Urallaga	Spain	Bizkaia	Montes de Triano	6.46	10395	387.1	118	Jose Luis Membrado e-mail	2021-05
-	648	Hick's Cave	USA	New Mexico	Eddy	6.44	10364.18	277	84.43	Ellen Trautner e-mail	2022-07
-	649	Actun Káua	Mexico	Yucatán	-	6.44	10360	0	0	http://www.mexicancaves.org/geninfo/longanddeep.html	2019-03
-	650	Clarks Cave	USA	Virginia	Bath	6.43	10354.52	0	0	Virginia Speleological Survey	1994-08
-	651	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
	652	Schneeloch	Austria	Tennengebirge	Salzburg	6.41	10319	3612.2	1101	Lukas Plan email	2024-06
-	653	Sistema la Vieya - Los Quesos	Spain	Asturias	Picos de Europa	6.40	10300	206.7	63	Jose Luis Membrado e-mail	2021-05
-	654	Fallen Rock Cave	USA	Virginia	Tazewell	6.39	10280.49	0	0	Virginia Speleological Survey	2016-06
-	655	Abime de Bramabiau	France	Occitanie	-	6.36	10240	285.4	87	Liste des cavites naturelles les plus longues de France	2022-06
-	656	Sistema del Ojancano - Anjana	Spain	Canabria	Miera	6.35	10225	656.2	200	Jose Luis Membrado e-mail	2021-05
-	657	Grutas de Rancho Nuevo (San Cristobal)	Mexico	Chiapas	-	6.35	10218	0	0	http://www.mexicancaves.org/geninfo/longanddeep.html	2019-03
	658	Jack Daniel's Höhle	Austria	Tennengebirge	Salzburg	6.35	10218	2454.1	748	Lukas Plan email	2024-06
-	659	Cueva del Arroyo Grande	Mexico	Chiapas	-	6.34	10207	0	0	http://www.mexicancaves.org/geninfo/longanddeep.html	2019-03
-	660	Grotte de Trabuc	France	Bourgogne-Franche-Com	-	6.34	10206	131.2	40	Liste des cavites naturelles les plus longues de France	2022-06
-	661	Reinvikgrotta	Norway	-	Sorfold	6.34	10200	0	0	David stPierre	2016-01
S	662	Mearat Malcham	Israel	Mt. Sedom		6.34	10200	442.9	135	Yual Sobolyev FB	2019-07
-	663	Grotte de Baume Layrou	France	Occitanie	-	6.33	10190	692.3	211	Liste des cavites naturelles les plus longues de France	2022-06
-	664	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
-	665	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
-	666	Blissits Cave	USA	Kentucky	Breckenridge	6.31	10150.13	0	0	Ft. Knox Grotto/Lowcrawler Newsletter	1985-11
-	667	Pestera Cornilor	Romania	Muntii Padurea Craiului	-	6.30	10140	0	0	Romania-Natural	2022-08
-	668	Jashchik Pandora, ESB	Russia	-	-	6.28	10100	0	0	Caves and Caving I59P34S	2017-06
UW	669	Sistema Taj Mahal (Underwater+Dry)	Mexico	Quintana Roo	Tulum	6.27	10094	98.1	29.9	QRSS Long Caves List	2019-07
-	670	Spider Cave (C.C.N.P.)	USA	New Mexico	Eddy	6.27	10091.3	138.1	42.1	Paul Burger	2024-02
G	671	D.C. Jester Cave System	USA	Oklahoma	Greer	6.25	10065	35	10.7	Sue Bozeman	1988-03
	672	Uterdinetako Lezea (Grotte de l'Ours) - Pérdida del Becerro	Spain	Navarra	Larra	6.25	10065	2132.6	650	Jose Luis Membrado email	2025-03
-	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
	675	Sistema de la Torca del Cueto Cárabo - Mina Esperanza	Spain	Bizkaia	Karrantza	6.21	10000	1450.1	442	Jose Luis Membrado email	2025-01