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

Updated by Paul Burger January 20, 2023

Send updates and corrections to Cavemonpaul at hotmail.com

Copyright 2023 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	685581	407.2	124.1	Facebook	12-2022
UW	2	Sistema Sac Actun (Nohoch Nah Chich, Aktun Hu) (Underwater+Dry)	Mexico	Quintana Roo	Tulum	234.071	376700	391	119.18	QRSS Long Caves List
-	3	Jewel Cave (N.M.)	USA	South Dakota	Custer	217.32	349742.6	832.1	253.62	Dan Austin email	1-2023
	4	Suiyang Shuanghe Dongqun	China	Guizhou	Suiyang	210.29	338438	2181.8	665	https://www.grottes-et-karsts-de-chine.org/npds/gkc_rsd_gro.php?gro_id=606&gro_id_res=606&f_gro_nom=Shuanghedongqun&f_gro_nomchi=%E5%8F%8C%E6%B2%B3%E6%B4%9E&f_pro_nom=Guizhou&f_pref_nom=Zunyi&f_dis_nom=Suiyang	12-2022
UW	5	Sistema Ox Bel Ha (Underwater)	Mexico	Quintana Roo	Tulum	197.621	318040	188	57.3	QRSS Long Caves List
G	6	Optymistychna (Optimisticheskaja)	Ukraine	Ternopil	Borshchiv	164.4	264576.15	49	15	Marc Ohms FB
-	7	Wind Cave (N.P.)	USA	South Dakota	Custer	163.43	263021.9	646.8	197.2	Marc Ohms e-mail	1-2023
-	8	The Clearwater System (Gua Air Jernih)	Malaysia	Sarawak	Mulu	155.1	249600	1165	355.1	Facebook	12-2022
-	9	Lechuguilla Cave (C.C.N.P.)	USA	New Mexico	Eddy	152.105	244790	1588.6	484.2	Max Wissak email	1-2023
-	10	Fisher Ridge Cave System	USA	Kentucky	Hart	131.8	212111.53	14.4	4.4	Ronnie Harrison e-mail	9-2017
-	11	Hoelloch	Switzerland	Schwyz	Muotatal	130.2	209597	3389.1	1033	https://www.hoellochforschung.ch/forschung/forschungsobjekte-der-agh	12-2022
-	12	Sistema del Alto Tejuelo	Spain	Cantabria	Porracolina	112.7	181305	2053.8	626	http://altodeltejuelo.com/	12-2022
-	13	Siebenhengste-hohgant Hoehlensystem	Switzerland	Bern	Eriz/Beat./Ha.	102.216	164500	4396.3	1340	Email	7-2009
-	14	Schönberg-Höhlensystem	Austria	Totes Gebirge	Stmk/OÖ	96.32	155018	3481	1061	https://www.hoehlenforschung.at/caves/schonberg-hohlensystem/	12-2022
-	15	Sistema del Mortillano	Spain	Cantabria	Porra de Mortillano	91.031	146500	3116.8	950	Jose Luis Membrado e-mail	6-2016
G	16	Ozerna (Priest's Grotto) .	Ukraine	Ternopil	Borshchiv	87.296	140490	115	35	Vyacheslav Apostolyuk
-	17	Schwarzmooskogel-Höhlensystem	Austria	Totes Gebirge	Steiermark	84.365	135772	3690.9	1125	https://hoehle.org/laengste-tiefste	1-2022
-	18	Bullita Cave System (Burke's Back Yard)	Australia	Northern Territory	Gregory N.P.	76.4	123000	75.5	23	https://www.igme.es/Boletin/2016/127_1/BG_127-1_Art-2.pdf	12-2022
-	19	Reseau Felix Trombe / Henne-Morte	France	Haute-Garonne	Coume Ouarnede	72.864	117263	3294	1001	Liste des cavites naturelles les plus longues de France	4-2019
-	20	Sistema del Gandara	Spain	Cantabria	Porracolina	72.539	116740	2670.6	814	Jose Luis Membrado e-mail	6-2016
-	21	Hirlatzhöhle	Austria	Dachstein	Oberösterreich	72.1	116000	5118.1	1560	https://digitalcommons.usf.edu/cgi/viewcontent.cgi?article=2433&context=ijs	1-2022
-	22	Toca da Boa Vista	Brazil	Bahia	Campo Formoso	70.836	114000	164	50	As Maiores Cavernas Do Basil	1-2020
-	23	Marosakabe System	Madagascar	Mahajaanga	Soalala	70.227	113019	164	50	http://grenoble.sibert.fr/album/crei/marosakabe_2018_extrait.pdf	12-2022
UW	24	Entrada Boca Paila	Mexico	Quintana Roo	Tulum	69.067	111152	88	26.8	QRSS Long Caves List	7-2019
-	25	Systeme de Ojo Guarena	Spain	Burgos	Merindad de Sotoscueva	68.351	110000	633.2	193	http://www.grupoedelweiss.com/	7-2006
UW	26	Sistema K'oox Baal - Sistema Tux Kupaxa (Underwater+Dry)	Mexico	Quintana Roo	Tulum	64.063	103100	112.9	34.4	QRSS Long Caves List
-	27	Sistema Huautla	Mexico	Oaxaca	Huautla de Ji.	62.208	100114.1	5118.1	1560	Tommy Shifflett & Bill Steele FB	6-2017
-	28	Sistema Purificacion	Mexico	Tamaulipas	Villa Hidalgo	61.492	98961	3126.6	953	Peter Sprouse FB	6-2017
G	29	Zolushka .	Ukraine / Moldova	Briceni/Cernivci	Nowoselyzja	57.216	92080	98	54	Igor Teleshman e-mail
-	30	Sima del Hayal de Ponata-Rebollar II (SI-44,SI-57,SR-7)	Spain	Araba/Bizkaia/Burgos	Sierra Salvada/Gorobel M.	55.923	90000	1361.5	415	Jose Luis Membrado e-mail	3-2022
-	31	Gouffre de la Pierre Saint Martin - gouffre des Partages	France / Spain	Pyrenees-Atlantiques	Pierre Saint Martin	54.277	87350	4626	1410	Liste des cavites naturelles les plus longues de France	4-2019
-	32	Three Counties System	United Kingdom	England	Northern Dales	53.823	86619	830.1	253	Wookey e-mail	9-2021
-	33	Barenschacht	Switzerland	Bern	Beatenberg	53.454	86026	3211.9	979	Rolf Siegenthaler e-mail	7-2009
-	34	Complesso del Monte Canin	Italy	Friuli Venezia Giulia	Chiusafoete	52.071	83800	3668	1118	Francesco Serafin e-mail	Sum99
-	35	Great Savannah Cave System	USA	West Virginia	Greenbrier	51.27	82511.07	587.9	179.2	Dave & Nick Socky FB	8-2022
-	36	Friars Hole Cave System	USA	West Virginia	Green./Pocoho.	50.51	81287.97	613	186.84	West Virginia Cave V40N3	5-2022
-	37	Sistema Cheve (Cuicateco)	Mexico	Oaxaca	Cuicatlan	47.681	76735	5042.7	1537	Bill Stone e-mail	5-2017
-	38	Complesso del Monte Corchia (Fighiera,Farol.)- Su Palu	Italy	Toscana	Alpi Apuane	47.224	76000	3894.4	1187	Guido Baroncni Turricchia e-mail	7-2009
-	39	Bulmer Caverns ( Castle Keep - Gormenghast)	New Zealand	South Island	Mt Owen	46.178	74316	2477	755	Lindsay Main NZ Speleological Soc. Info Officer	9-2016
-	40	Cova des Pas de Vallgornera	Spain	Balearics	Llucmajor	46.132	74242	68.9	21	Jose Luis Membrado e-mail
-	41	Binkley's Cave System	USA	Indiana	Harrison	45.023	72457.49	140	42.67	Gary Roberson e-mail
-	42	Reseau de l'Alpe	France	Isere / Savoie	Chartreuse	44.925	72300	2149	655	Liste des cavites naturelles les plus longues de France	4-2019
-	43	Fort Stanton Cave	USA	New Mexico	Lincoln	44.57	71728.46	479.5	146.15	Lee H.Skinner e-mail	12-2022
-	44	Hellhole System	USA	West Virginia	Pendleton	43.6	70167.4	737	224.64	GVKS	2-2020
-	45	Sistema de los Cuatro (4) Valles	Spain	Cantabria	Solorzano	43.532	70059	357.6	109	Juan Corrin email	1-2023
-	46	Ogof Draenen	United Kingdom	Wales	Monmouthshire	43.496	70000	495.4	151	www.ukcaves.co.uk/all-longest	1-2016
-	47	Complesso della Valle del Nose	Italy	Lombardia	Pian del Tivano	42.432	68288	1870.1	570	Andrea Maconi e-mail	6-2017
-	48	San Wang Dong	China	Chongqing	Wulong	42.145	67825	1125.3	343	Descent 231	5-2016
-	49	Botovskaya	Russia	Lrkutsk	Sredne	42.096	67747	131.2	40	Alexander Osinzev e-mail
-	50	Dachstein-Mammuthöhle	Austria	Dachstein	Oberösterreich	42.067	67701	3960	1207	https://hoehle.org/laengste-tiefste	1-2022
-	51	Cueva del Valle (Red Del Silencio)	Spain	Cantabria	Vizcaya	41.912	67451	1565	477	www.federacionaragonesaespeleologia.com/
-	52	Double Bopper Cave	USA	Arizona	Coconino	41.56	66881.5	618	188.37	Jason Ballenski e-mail	12-2009
L	53	Kazumura Cave	USA	Hawaii	Hawaii	40.7	65500	3613.8	1101.5	HSS Newsletter N9P7	6-2016
	54	Grotte de Saint-Marcel	France	Ardeche	Bas-Vivarais	40.078	64500	1066.3	325	Liste des cavites naturelles les plus longues de France	4-2019
-	55	Blue Spring Cave	USA	Tennessee	White	40	64373.76	307	93.57	Jason Riichards e-mail	10-2016
-	56	Carlsbad Cavern (C.C.N.P.)	USA	New Mexico	Eddy	39.5	63569.09	1035	315.47	Vidio on liine	12-2019
-	57	Organ Cave System	USA	West Virginia	Greenbrier	38.452	61882.5	486	148.13	WVASS Database	5-2016
UW	58	Arresteliako ziloa(Souffleur de Larrandaburu)	France	Pyre. Atlantiques/Navarr	Pierre Saint Martin	37.868	60943	2740	835	Die langsten Unterwasserholensysteme der Welt	4-2019
-	59	Ogof Ffynnon Ddu	United Kingdom	Wales	Powys	37.682	60644	1015.4	309.5	-	10-2021
UW	60	Sistema Xunaan Ha (Underwater+Dry)	Mexico	Quintana Roo	Tulum	37.559	60445	110.9	33.8	QRSS Long Caves List	2-2015
-	61	Lamprechtsofen	Austria	Leoganger Steinberge	Salzburg	37.282	60000	5666	1727	https://hoehle.org/laengste-tiefste	1-2022
-	62	Jamski sustav Crnopac	Croatia	Juzni Velebit	Crnopac	36.68	59030	2723.1	830	Aida Barisic	1-2023
-	63	Gouffre de Padirac	France	Lot	Causse de Gramat	36.661	59000	1033.5	315	Jean-Yves Bigot	4-2019
C	64	Bol'shaja Oreshnaja (Conglomerate)	Russia	Russia	Kransnojarsk	36.04	58000	787.4	240	International Caver 2000 P78	6-2017
-	65	Kap-Kutan/Promezhutochnaja	Turkmenistan	Turkistan	Gissarsko-Ala.	35.418	57000	1017.1	310	RSIC	9-2019
UW	66	Wakulla-Leon Sinks Cave System	USA	Florida	Leon/Wakulla	35.22	56681.1	350	106.68	Casey McKinlay e-mail	3-2020
-	67	Grotte de la Luire	France	Drome	Vercors	34.91	56182	1906.2	581	Liste des cavites naturelles les plus longues de France	4-2019
-	68	Sistema de Atxuriaga (Complex)	Spain	Bizkaia	Galdames	34.797	56000	1791.3	546	Jose Luis Membrado e-mail	10-2016
-	69	Systeme du Granier	France	Isere / Savoie	Chartreuse	34.626	55725	2083.3	635	Liste des cavites naturelles les plus longues de France	4-2019
-	70	Whigpistle System	USA	Kentucky	Edmonson	34.62	55715.49	314	95.71	2009 NSS/ICS Kerrville Texas	7-2016
-	71	Reseau de la Dent de Crolles	France	Isere	Chartreuse	34.428	55407	2263.8	690	Buchaly, Waldbrener	4-2019
-	72	Mamo Kananda	Papua New Guinea	Southern Highland	Muller Range	34.051	54800	1732.3	528	Atlas Des Grandes Cavites Mondia.	1-2016
-	73	Gr. Caverna de Palmarito	Cuba	Pinar del Rio	S. de Vinales	33.554	54000	0	0	Info CREI 2001 N10	6-2017
-	74	Teng Long Dong	China	Hubei	Lichuan	33.063	53210	1128.6	344	Zhi Quin FB	6-22
-	75	Jianghou Dixachanglang	China	Guangxi	Fengshan	32.976	53070	1128.6	344		8-2016
G	76	Mlynkyi .	Ukraine	Ternopil	Chortkiv	32.885	52923	66	20	cavemlynky@gmail.com	1-2016
-	77	Benarat Caverns System (lubang Benerat)	Malaysia	Sarawak	Mulu	31.484	50669	380.6	116	Mulu Caves Project	8-2019
UW	78	Sistema Pool Tunich (Under Water + Dry)	Mexico	Quintana Roo	Tulum	31.318	50401	78.7	24	QRSS Long Caves List
-	79	Pestera Vantului	Romania	Bihor	Mtii Padurea Craiului	31.069	50000	557.7	170	Liviu Valenas e-mail	4-2017
-	80	Crevice Cave	USA	Missouri	Perry	31	49889.66	190	57.91	Alex Litsch FB	11-2021
-	81	Trou qui souffle	France	Isere	Vercors	30.634	49300	2198.2	670	Liste des cavites naturelles les plus longues de France	4-2019
-	82	Sistema Itxina'pe Sarea	Spain	Bizkaia	Gorbea	30.54	49150	0	0	Jose Luis Membrado e-mail	10-2016
-	83	Sistema de Anielarra (Anialarra)	Spain	Nafarroa	Larra	30.429	48970	2798.6	853	Jose Luis Membrado e-mail	1-2022
-	84	Trou du Garde / Creux de la Cavale	France	Savoie	Les Deserts	30.122	48476	987.5	301	Liste des cavites naturelles les plus longues de France	6-22
UW	85	Sistema Toh Ha	Mexico	Quintana Roo	Tulum	29.668	47746	42	12.8	QRSS Long Caves List	7-2019
UW	86	Sistema Toh Ha (Underwater)	Mexico	Quintana Roo	Tulum	29.668	47746	42	12.8	QRSS Long Caves List
-	87	Scott Hollow Cave	USA	West Virginia	Monroe	29.5	47475.65	571	174.04	WVASS Spring Meeting	5-2016
-	88	Omega System	USA	Virginia	Wise	29.43	47362.99	1263	384.96	Mike Ficco e-mail	6-2016
-	89	Er Wang Dong	China	Chongqing	Wulong	29.328	47199	1446.9	441	www.hongmeigui.net/deepandlong.php	4-2017
	90	Sistema Garra de Jaguar (Jaguar Claw)	Mexico	Quintana Roo	Tulum	29.259	47088	0	0	QRSS Long Caves List	11-2021
L	91	Delissea Cave System	USA	Hawaii	Hawaii	29.21	47008.94	3610	1100.33	Peter Bosted e-mail	2-2020
-	92	Memorial Day Cave	USA	West Virginia	Pendleton	29.03	46719.26	579.2	176.54	GVKS	12-2020
	93	Reseau des Chuats	France	Drome	Vercors	28.874	46468	1207.3	368	Liste des cavites naturelles les plus longues de France	6-22
-	94	Santo Tomas (gran caverna de)	Cuba	Pinar del Rio	S. de Quemadas	28.583	46000	0	0	The NSS News V57N10P300	10-1999
-	95	Gamslöcher-Kolowrat-Höhlensystem	Austria	Untersberg	Salzburg	28.316	45570	3763.1	1147	https://hoehle.org/laengste-tiefste	1-2022
-	96	Sistema Aranonera (Sima S1-S2)(Tendenera connected)	Spain	Huesca	Pirineos	28.115	45246	4425.9	1349	Jose Luis Membrado e-mail	10-2016
	97	Grotte de la Diau	France	Haute Savoie	Parmelan	27.962	45000	2362.2	720	Liste des cavites naturelles les plus longues de France	6-22
-	98	Kolkbläser-Monsterhöhle-System	Austria	Steinernes Meer	Salzburg	27.643	44487	2332.7	711	https://hoehle.org/laengste-tiefste	1-2022
-	99	Cumberland Caverns (Saltpeter)	USA	Tennessee	Warren	27.616	44443.64	200	60.96	Charles Cole	3-1992
-	100	Frauenmauer-Langstein-Höhlensystem	Austria	Hochschwab	Steiermark	27.402	44099	2076.8	633	https://hoehle.org/laengste-tiefste	1-2022
C	101	Migovec (Vrtnarija) System (M-16)	Slovenia	Primorska	zaledje Tolminke	27.084	43588	3189	972	Marko Erker e-mail
-	102	Demanovsky jaskynny system	Slovakia	Nizke Tatry	Demanovske vrchy	26.741	43036	643	196	Pavel Herich e-mail	4-1999
-	103	Tham Khoun Dori - Houay Sai System Cave	Laos	Khammouane	Ban Na	26.145	42077	853	260	Charles Ghommidh e-mail	7-2009
L	104	Kipuka Kanohina Cave (Kula Kai Caverns)	USA	Hawaii	Hawaii	26.104	42010	944.9	288	Kanohina Data Manager - Tomislav Gracanin e-mail	6-2019
G	105	Scialet de les Nuits Blanches - Superieur du clos d'Aspres	France	Isere	Vercors	26.098	42000	3497	1066	Le Karst Du Gypse, Jean Yves Bigot Page 86-87	7-2002
-	106	Eisriesenwelt	Austria	Tennengebirge	Salzburg	26.098	42000	1450.1	442	https://hoehle.org/laengste-tiefste	1-2022
-	107	Pestera din Poienita-Pestera dein Dealul Humpleu	Romania	Alba	Mtii Bihor	26.098	42000	1026.9	313	Victor Ursu info	3-2020
-	108	Cueva del Tecolote	Mexico	Tamaulipas	Villa Hidalgo	25.15	40475	1391.1	424	Mark Minton e-mail	5-2016
-	109	Sistema de las Fuentes de Escuain (Badalona B15-B1)	Spain	Huesca	Escuain	24.97	40186	3776.2	1151	Jose Luis Membrado e-mail	4-22
-	110	Moore Cave System (Berome & Tom)	USA	Missouri	Perry	24.78	39879.54	136	41.45	Chad McCain FB	11-2022
-	111	Sloans Valley Cave System	USA	Kentucky	Pulaski	24.64	39654.24	240	73.15	The International Caver N19P23	5-1997
-	112	System Amaterskej a Punkevni Jesky.	Czech Rep.	Moravia	Ostrov	24.324	39146	1630.6	497	Libor Faitl e-mail	1-2016
-	113	Silberensystem (Schwyzerschacht)	Switzerland	Schwyz	Muotatal	24.323	39144	2914.7	888.4	List of Swiss Long k& Deep Caves	7-2009
UW	114	Sistema Zapote - Camilo	Mexico	Quintana Roo	Tulum	24.236	39004	91.9	28	QRSS Long Caves List	7-2019
-	115	Sistemul Humpleu-Poienita	Romania	Cluj	Mtii Bihor	24.233	39000	1030.2	314	Romania-Natural	3-2022
-	116	Chiquibul Cave System (Cebaba & Actun Tunkul)	Belize	Mt Junea West	Chiquibul	24.233	39000	524.9	160	Tom Miller e-mail	1-2016
-	117	Xanadu Cave System	USA	Tennessee	Fentress	24.062	38724.04	227	69.19	Tenn.Cave Survey	2-2015
-	118	Qikengdong	China	Chongqing	Wulong	23.951	38546	3346.5	1020		8-2016
-	119	Jiangzhou Dongxuexitong	China	Guangxi	Fengshan	23.923	38500	492.1	150	www.hongmeigui.net/deepandlong.php	4-2017
-	120	Nettlebed Cave System (Blizzard Pot top entrance,Stormy Pot)	New Zealand	South Island	Mt Arthur	23.769	38252	3851.7	1174	Lindsay Main NZ Speleological Soc. Info Officer	8-2022
-	121	Sistema de Pan de Azucar	Cuba	Pinar del Rio	S.del Rosario	23.612	38000	0	0	The NSS News V57N10P300	10-1999
-	122	Sistema Cuetzalan - Atepolihuit	Mexico	Puebla	Curtzalan	23.411	37676	2158.8	658	Mark Minton e-mail	6-2016
-	123	Sistema Cueto-Coventosa-Cubera-Garma Bucebrón-Corzo	Spain	Cantabria	Porracolina	23.151	37258	2719.8	829	Jose Luis Membrado e-mail	1-2021
-	124	The Hole (Boggs Cave)	USA	West Virginia	Greenbrier	23.003	37019.74	225	68.58	Bill Balfour	9-1991
-	125	Gouffre Berger - Gouffre de la Fromagere	France	Isere	Vercors	22.991	37000	4341	1323	https://fr-academic.com/dic.nsf/frwiki/717878#cite_note-1	12-2022
-	126	Cueva la Vallina (VT.100)	Spain	Cantabria	Arredondo	22.848	36771	646.3	197	Juan Corrin email	1-2023
-	127	Coral Cave System	USA	Kentucky	Pulaski	22.56	36306.8	340	103.63	Lee Florea e-mail	2-2015
-	128	Sugar Run Cave System	USA	Virginia	Giles	22.55	36291	718	218.85	VSS	2-2015
-	129	Complesso dei Piani Eterni	Italy	Veneto	Dolomiti BL	22.469	36160	3451.4	1052	Francesco Sauro e-mail	10-2020
-	130	Lost River Cave System	USA	Indiana	Orange	22.2	35727.44	94	28.65	Long cave list for Indiana, Indiana Cave Survey	3-2017
-	131	Lilburn Cave (N.P.)	USA	California	Tulare	22.17	35679	508	154.84	Jed Mosenfelder e-mail	1-2019
-	132	Tantalhöhle	Austria	Hagengebirge	Salzburg	22.071	35520	1427.2	435	https://hoehle.org/laengste-tiefste	1-2022
-	133	Chestnut Ridge Cave System	USA	Virginia	Bath	22.063	35507	813.6	248	BCCS	10-2019
-	134	Complesso di Piaggia Bella	Italy	Piemonte	Marguareis	22.059	35500	3152.9	961	http://www.Class.del.g.piulunghe/profon.d'Italia	7-2009
-	135	Xia, Qikeng, Lanmu Shu, Miao Keng, Xiaogu Chi. Dongba Dong	China	Chongqing	Wulong	22.046	35479	3346	1020	LIU JIA e-mail	4-2019
-	136	Cueva de Udias	Spain	Cantabria	-	21.87	35196	0	0	Jose Luis Membrado e-mail	11-2021
-	137	Complesso della Carcaraia (Abisso Saragato)	Italy	Toscana	Alpi Apuane	21.748	35000	3690.9	1125	Speleologia N68P102-103	7-2009
-	138	Reseau du Verneau	France	Doubs	Deservillers	21.748	35000	1269.7	387	Liste des cavites naturelles les plus longues de France	6-22
-	139	Reseau Andre Lachambre (grotte d'Embulla)	France	Pyrenees-Orientales	Conflent	21.748	35000	242.8	74	D'apres Christophe Levillain	6-2017
-	140	Toca da Barriguda	Brazil	Bahia	-	21.748	35000	200.1	61	As Maiores Cavernas Do Basil	1-2020
-	141	Mesacny tien	Slovakia	Vysoke Tatry	Javorinska Siroka	21.744	34994	1479.7	451	Branislav šmida	4-1999
-	142	Greenlink - Middle Earth System	New Zealand	South Island	Takaka Hill	21.687	34902	1276.2	389	Lindsay Main NZ Speleological Soc. Info Officer	6-2020
-	143	Sistema Azpilicueta-Coteron-Renada (Sistema de la Vega)	Spain	Cantabria	Ruesga	21.613	34783	1112.2	339	Jose Luis Membrado e-mail	7-2021
-	144	Mawandong	China	Guizhou	Zhengan	21.535	34657	1820.9	555	http://www.grottes-et-karsts-de-chine.org/npds/gkc_gro.php?op=deve	2-2015
-	145	Atea Kananda	Papua New Guinea	Southern Highland	Muller Range	21.437	34500	1148.3	350	The British Caver V94-95	6-2017
-	146	Sistema de la Pena de Mediodia	Spain	Huesca	Pirineos	21.381	34410	2959.3	902	Jose Luis Membrado e-mail	8-2022
-	147	Sistema Oztotl (Rosetta-Tepetzala)	Mexico	Puebla	-	21.243	34188	2880.6	878	http://www.mexicancaves.org/geninfo/longanddeep.html	3-2019
-	148	Majaguas-Cantera (sis.caverna.)	Cuba	Pinar del Rio	S.de San Carlo	21.127	34000	0	0	The International Caver	6-2017
-	149	Hidden River System (Hicks Cave)	USA	Kentucky	Hart	21.1	33957.16	160	48.77	Carbide Caver V7I10P111	10-1998
-	150	Culverson Creek Cave System	USA	West Virginia	Greenbrier	20.928	33680.35	329	100.28	WVASS Database	6-2016
-	151	Blue Spring Cave	USA	Indiana	Lawrence	20.9	33635.29	140	42.67	Long cave list for Indiana, Indiana Cave Survey	3-2017
UW	152	Sistema Nohoch Kai	Mexico	Quintana Roo	Tulum	20.819	33505	85	25.9	QRSS Long Caves List	7-2019
	153	Reseau de Bunant	France	Haute Savoie	Parmelan	20.816	33500	1213.9	370	Liste des cavites naturelles les plus longues de France	6-22
-	154	Ellis Basin System (Tomo Thyme, Exhaleair, & Exhalibur)	New Zealand	South Island	Mt Arthur	20.754	33400	3366.1	1026	Lindsay Main NZ Speleological Soc. Info Officer	5-22
-	155	Honey Creek Cave	USA	Texas	Comal	20.689	33295	124.3	37.9	Texas Speleological Survey via Jerry Atkinson e-mail	1-2022
-	156	Sistema Lecherines	Spain	Huesca	Macizo de Aspe	20.53	33040	3310.4	1009	Jose Luis Membrado e-mail	1-2021
-	157	Ogof Agen Allwedd	United Kingdom	Wales	Powys, Monmouthshire	20.381	32800	524.9	160	-
-	158	Carroll Cave	USA	Missouri	Camden	20.31	32686	224	68.28	Bob Lerch e-mail	3-2019
G	159	Reseau des Grottes aux Fees	Switzerland	Vallorbe	Vaud	20.292	32657	744.8	227	List of Swiss Long k& Deep Caves	7-2009
-	160	Terikan System (Rising, East, West)	Malaysia	Sarawak	Mulu	20.239	32572	0	0	Mulu Caves Project	8-2019
-	161	Cueva de los Chorros	Spain	Albacete	Riopar	20.195	32500	426.5	130	Clasificacion Por Desnivel	7-2016
-	162	Reseau de Coufin-Chevaline	France	Isere	Vercors	20.071	32301	1394.4	425	Liste des cavites naturelles les plus longues de France	6-22
-	163	Gap Cave System (Cudjo's) (C.G.N.H.P.)	USA	Virginia	Lee	19.884	32000	491	149.66	Bob Gulden (CRF)	4-2019
-	164	Puerto Princesa Subterranean River (St.Pauls Underground River Cave)	Philippines	Palawan Island	Palawan	19.884	32000	328.1	100	Wikipedia
-	165	Kihaje Xontjoa	Mexico	Oaxaca	Cerro Rabon P.	19.494	31373	4012.5	1223	http://www.amcs-pubs.org/longanddeep.html	6-2016
-	166	Grotta di Monte Cucco	Italy	Umbria	Monte Cucco	19.449	31300	3047.9	929	Class.del.g.piu lunghe/profon.d'Italia	7-2009
-	167	Systeme Prerouge - Litorne	France	Savoie	Bauges	19.444	31292	1666.7	508	Jose Luis e-mail	2-2015
-	168	Krem Liat Prah/Um IM/Labbit M /RUBONG	India	Meghalaya	Jaintia Hills	19.436	31279	0	0	Descent N275P15
-	169	Klarahöhle	Austria	Sengsengebirge	Oberösterreich	19.316	31086	1581.4	482	https://hoehle.org/laengste-tiefste	1-2022
-	170	Verborgene Höhle	Austria	Totes Gebirge	Oberösterreich	19.235	30956	1197.5	365	https://hoehle.org/laengste-tiefste	1-2022
-	171	Jamski sustav Kita Gacesina - Drazenova puhaljka ?	Croatia	-	-	19.209	30914	0	0	Aida Barisic	10-2021
-	172	Baradla-Domica	Hungary		Aggtelek Karst	18.931	30466	380.6	116	Peter Gruber e-mail	6-2017
-	173	Berger-Platteneck Hoehlesystem	Austria	Salzburg	Tennengebirge	18.887	30396	4235.6	1291	https://hoehle.org/laengste-tiefste	1-2022
-	174	Szepvolgyi System (Pal-volgy Cave)	Hungary	Budapest	-	18.703	30100	403.5	123	International Journal of Speleology 44(2)	5-2016
-	175	Complesso del Releccio Alfredo Bini (W Le Donne)	Italy	Lombardia	Grigna. Settentrionale	18.393	29600	4307.7	1313	Andrea Maconi e-mail	7-2009
-	176	Tham Nam Non System	Laos	Khammouane	Thakhek	18.33	29500	0	0	Caves of Malaysia	7-2009
-	177	Bettenhohle	Switzerland	Obwalden	Kerns	18.321	29484	2637.8	804	http://ch.speleo.info	7-2009
-	178	Windy Mouth (Wind) Cave	USA	West Virginia	Greenbrier	18.11	29145.22	200	60.96	Nick Sockiy FB	12-2021
-	179	Butler-Sinking Creek System	USA	Virginia	Bath	18.06	29064.75	644.3	196.38	Tont Canike email	9-2016
-	180	Sistema Illaminako (BU.56 - A.60)	Spain	Navarra	Larra	17.928	28853	4619.4	1408	http://espeleoume.blogspot.com/2007/12/illaminako-ateeneko-leizea-1408m-14500m.html	12-2022
-	181	Ötscherhöhlensystem	Austria	Ötscher	Niederösterreich	17.776	28608	2171.9	662	https://hoehle.org/laengste-tiefste	1-2022
-	182	Reseau de Francheville	France	Cote-d'Or	Francheville	17.728	28530	557.7	170	Liste des cavites naturelles les plus longues de France	6-22
-	183	Sistema de Tepepa (Ehecatl+Niebla)	Mexico	Puebla	-	17.709	28500	3175.9	968	Desent 209	9-2016
-	184	Grießkar-Höhlensystem (Platten- und Elferkogleschacht)	Austria	Totes Gebirge	Stmk/OÖ	17.608	28338	2339.2	713	https://hoehle.org/laengste-tiefste	1-2022
UW	185	Sistema Caterpillar	Mexico	Quintana Roo	Felipe Carrillo Puerto	17.556	28253	88.9	27.1	QRSS Long Caves List	7-2019
	186	Fitton (Beauty) Cave	USA	Arkansas	Newton	17.5	28163.52	89.9	95.4	Scott House e-mail	2-2004
-	187	Jägerbrunntrog-Höhlensystem	Austria	Hagengebirge	Salzburg	17.415	28026	3536.7	1078	https://hoehle.org/laengste-tiefste	1-2022
-	188	V5 Sistemul Varasoaia (V5-V24)	Romania	Bihor	Mtii Bihor	17.398	28000	2142.4	653	Alex Pologea e-mal	4-2017
-	189	Ogof Daren Cilau System	United Kingdom	Wales	Powys, Monmouthshire	17.398	28000	761.2	232	www.ukcaves.co.uk/all-longest	1-2016
-	190	Old Homestead Cave	Australia	Western Australia	Nullarbor Plain	17.398	28000	0	0	International Caver No.7	6-2017
-	191	Thornhill Cave System	USA	Kentucky	Breckenridge	17.232	27732.22	0	0	Arron Reed Louisville Grotto e-mail	1-2016
-	192	Coldwater Cave	USA	Iowa	Winneshiek	17.005	27366.89	80	24.38	Larry Welch e-mail	7-2016
-	193	Glenwood Cave	USA	Iowa	-	17.005	27366.89	0	0	NSS Cave Files	10-2016
-	194	Kingsdale Master Cave System	United Kingdom	England	North Yorkshire	16.777	27000	541.3	165	www.ukcaves.co.uk/all-longest
-	195	Green Cathedral/Turtle Cave System	Malaysia	Sarawak	Gunung Buda	16.759	26971	997.4	304	NSS News V62N8P225
-	196	Reseau de Lachambre - Estacio Vella	France	Pyrenees-Orientales	Conflent	16.662	26815	242.8	74	Liste des cavites naturelles les plus longues de France	6-22
UW	197	Sistema Sand Crack	Mexico	Quintana Roo	Tulum	16.619	26746	58	17.7	QRSS Long Caves List	7-2019
UW	198	Sistema Sand Crack (Underwater)	Mexico	Quintana Roo	Tulum	16.619	26746	58.1	17.7	QRSS Long Caves List	7-2019
	199	Reseau Jean Bernard	France	Haute Savoie	Haute-Giffre	16.581	26685	5256	1625	Liste des cavites naturelles les plus longues de France	6-22
-	200	Reseau de Fuilla - Canalettes	France	Pyrenees-Orientales	Conflent	16.466	26500	259.2	79	Liste des cavites naturelles les plus longues de France	6-22
-	201	Sistema Tibia-Fresca	Spain	Cantabria	Porracolina	16.404	26400	1663.4	507	Jose Luis Membrado e-mail	11-2021
-	202	Bigfoot Cave	USA	California	Siskiyou	16.25	26151.84	1205	367.28	Scott Linn e-mail	10-2016
-	203	Powell's Cave System	USA	Texas	Menard	16.246	26145.5	79	24.08	Texas Speleological Survey via Jerry Atkinson e-mail	10-2021
-	204	Kuchlberg-Höhlensystem	Austria	Tennengebirge	Salzburg	16.229	26118	2529.5	771	https://hoehle.org/laengste-tiefste	1-2022
-	205	Baradla barlang-Domica jaskyna ??	Slovakia / Hungary	Slovak / Aggtelek Karst	Kecovo - Josvafo	16.196	26065	380.6	116	P.Bella - P.Gruber e-mail	10-1988
-	206	Systeme Biolles - Squelettes - Crolleurs	France	Savoie	Margeriaz	16.156	26001	1939	591	Liste des cavites naturelles les plus longues de France	6-22
-	207	Gran Sistema Cavernaio de Fuentes	Cuba	Pinae del Rio	Sierra de Mesa	16.156	26000	0	0	The International Caver #8	6-2017
-	208	Perdidos (sis.cavernario de los)	Cuba	Pinar del Rio	S. del Roario	16.156	26000	0	0	Speleolgia	5-2017
-	209	Rumbling Falls Cave.	USA	Tennessee	Van Buren	16.091	25895.95	474	144.48	Marion O.Smith per TCS	2-2015
-	210	Mystery Cave System	USA	Missouri	Perry	15.842	25495.23	150	45.72	M.S.S. Walsh	2-2015
UW	211	Sistema Nohoch Pek - Muk K'in (Underwater)	Mexico	Quintana Roo	Tulum	15.806	25437	61	18.6	QRSS Long Caves List	7-2019
Q	212	Krem Puri (Sandstone)	India	Meghalaya	Khasi Hills	15.731	25317	98.4	30	Descent N275P15
-	213	Tjoarvekrajgge	Norway	Nordland	Sorfold	15.638	25167	1630.6	497	Torstein Finnesand e-mail	6-2016
UW	214	Sistema Nohoch Pek - Muk K'in	Mexico	Quintana Roo	Tulum	15.634	25160	61	18.6	QRSS Long Caves List	7-2019
-	215	Fern Cave (597)	USA	Alabama	Jackson	15.63	25154.05	536	163.37	Fern Cave Project	6-2017
-	216	Gouffre Lonne-Peyret (Reseau des Arres Planeres)	France	Pyrenees-Atlantiques	Pierre Saint Martin	15.588	25086	2648	807	Liste des cavites naturelles les plus longues de France	6-22
-	217	Mountain Eye Cave System (Saltpeter)	USA	Tennessee	Fentress	15.587	25084.84	280	85.34	Tenn. Cave Survey	3-1987
-	218	Sistema Buso della Rana / Pisarela	Italy	Veneto	Faedo-Casaron	15.555	25033	738.2	225	Class.del.g.piu lunghe/profon.d'Italia	7-2009
-	219	Vishevsky - Boylok (Boybuloq)	Uzbekistan	Uzbekistan	Gissaro-Alay	15.534	25000	4642	2033	Vladimir Dolgly	7-2016
-	220	Torca del Regato Calero	Spain	Cantabria	-	15.534	25000	1148.3	350	Jose Luis Membrado e-mail	8-2020
-	221	Pestera Topolnita (Sistemul Topolnita-Epuran)	Romania	Mehedinti	Podisul Mehedinti	15.534	25000	416.7	127	Romania-Natural	4-2020
-	222	Complejo de Orbaneja del Castillo	Spain	Burgos	-	15.534	25000	0	0	Jose Luis Membrado e-mail	1-2021
G	223	Krasnaya (Kyzyl-Toba) (Qizil Qoba)	Ukraine	Crimea	-	15.18	24430	656.2	200	Inced O. e-mail	1-2016
-	224	Nunley Mtn.Cave System (Maria Angela Grotto)	USA	Tennessee	Grundy	15.08	24268.91	350	106.68	David Parr per TCS	2-2015
L	225	Hualalai Ranch Cave	USA	Hawaii	Hawaii	15.048	24217	1449.1	441.7	Doug Medville e-mail	3-2016
-	226	DÖF-Sonnenleiter-Höhlensystem	Austria	Totes Gebirge	Steiermark	15.02	24172	3582.7	1092	https://hoehle.org/laengste-tiefste	1-2022
-	227	Cave Creek Cave System	USA	Kentucky	Pulaski	15.01	24156.25	170	51.82	COG Squeaks	5-2016
-	228	Groaning Cave	USA	Colorado	Garfield	15	24140.16	149	45.42	Derek Bristol e-mail	8-2016
-	229	Foglepole Cave	USA	Illinois	Monroe	15	24140.16	0	0	NSS News V56N4P114	4-1998
-	230	Postojnska jama	Slovenia	Notranjska	Postojnski kras	14.987	24120	377.3	115	http://www.postojnska-jama.eu/en/news/2015/postojna-cave-extended-by-3-5-kilometres/	6-22
-	231	Almberg-Höhlensystem	Austria	Totes Gebirge	Steiermark	14.968	24088	990.8	302	https://hoehle.org/laengste-tiefste	1-2022
-	232	Illyuzia-Mezhonnogo-Snezhnaya	Georgia	Abkhazia	West Caucasus	14.963	24080	5774.3	1760	Web	8-2016
-	233	Gouffre Nebele	France	Pyrenees-Atlantiques	Aquitaine	14.937	24038	1558.4	475	Liste des cavites naturelles les plus longues de France	6-22
-	234	Clearwell Caves (Part Mine)	United Kingdom	England	Gloucestershire	14.913	24000	351	107	www.ukcaves.co.uk/all-longest	6-2017
-	235	Torca de la Vaca - Wild Mare	Spain	Cantabria	Entrambasaguas	14.859	23914	219.8	67	Juan Corrin e-mail	1-2021
-	236	Benedicts (Persinger) Cave	USA	West Virginia	Greenbrier	14.85	23898.76	254	77.42	WVASS Database	6-2016
-	237	Sistema Soconusco - Aire Fresco	Mexico	Chiapas	-	14.823	23856	2076.8	633	-
-	238	jaskinia Wielka Sniezna	Poland	Czerwone Wierchy	Malolaczniak	14.741	23723	2703.4	824	https://en.wikipedia.org/wiki/Jaskinia_Wielka_%C5%9Anie%C5%BCna	2-2021
-	239	Akkado	Japan	Iwate	-	14.726	23700	0	0	-	5-2016
-	240	Akkado (Akiyoshido)	Japan	Iwate	-	14.726	23700	0	0	-
-	241	Stratenska jaskyna - Psie diery ??	Slovakia	Spissko-gemersky	Slovensky raj	14.708	23670	636.5	194	www.drienka.host.sk/najdlhsie.php	10-1988
-	242	Big Horn - Horsethief Cave System	USA	Wyoming / Montana	Bighorn	14.615	23520.56	171	52.12	Even Gehring e-mail	2-2015
-	243	Bojian	China	Guizhou	Zunyi Shi	14.515	23360	1935.7	590	http://www.grottes-et-karsts-de-chine.org/npds/gkc_rcdev50.php?	8-2016
-	244	Cueva Guerta	Spain	Asturias	Pena Biguere	14.474	23294	0	0	Jose Luis Membrado e-mail	1-2021
	245	Systeme de Foussoubie	France	Ardeche	Bas-Vivarais	14.457	23266	452.8	138	Xavier Robert e-mail	4-2019
-	246	Cueva del Soplao	Spain	Cantabria	Sierra de Arnero	14.449	23253	0	0	Jose Luis Membrado e-mail	10-2019
-	247	Cueva Coyolat	Mexico	Puebla	Tlacotepec	14.292	23000	2034.1	620	Gustavo e-mail AMCS#29	5-2016
-	248	Complesso Fiume-Vento	Italy	Marche	Frasassi	14.292	23000	803.8	245	http://www.Class.del.g.piulunghe/profon.d'Italia	7-2009
-	249	Mini - Martin Cave - Exit Cave	Australia	Tasmania	Ida Bay	14.292	23000	721.8	220	Sherry Juneo	6-2017
-	250	Cuevas de Bellamar	Cuba	Matanzas	-	14.292	23000	0	0	http://www.ecured.cu/index.php/Cuevas_de_Bellamar	10-2016
-	251	Sistema de Cubija (North Vega System)	Spain	Cantabria	Matienzo	14.26	22949	482.3	147	Juan Corrin e-mail	1-2023
-	252	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	6-22
-	253	Rimstone River Cave	USA	Missouri	Perry	14.2	22852.68	140	42.67	M.S.S. Walsh	2-2015
-	254	Bone - Norman Cave System	USA	West Virginia	Greenbrier	14.118	22720.72	186	56.69	Bill Douty e-mail	12-1997
-	255	Conjunto Sao Mateus/Imbira	Brazil	Goias	Sao Domingos	14.062	22630	0	0	As Maiores Cavernas Do Basil	1-2020
G	256	Kryshtaleva (Kristal'naja) .	Ukraine	Ternopil	Borshchiv	14.049	22610	66	20	cavemlynky@gmail.com	1-2016
-	257	Riesending-Schachthohle	Germany	Bavaria	Untersgberg Mtns.	14.043	22600	3769.7	1149	Thomas Matthalm e-mail	8-2019
-	258	Grotta della Bigonda	Italy	Trentino A.A.	Alt.di Asingo	14.043	22600	1476.4	450	Class.del.g.piu lunghe/profon.d'Italia	6-2017
-	259	Burgunderschacht	Austria	Totes Gebirge	Steiermark	14.036	22588	2782.2	848	https://hoehle.org/laengste-tiefste	1-2022
-	260	Grotte d'Arphidia	France	Pyrenees-Atlantiques	Pierre Saint Martin	14.027	22575	2336	712	Jean-Yves Bigot	1-2016
-	261	Pleasant Ridge Cave	USA	Tennessee	Cannon	14.013	22551.74	340	103.63	Hal Love email	12-2016
-	262	Jenolan System	Australia	NSW	-	13.983	22503	347.8	106	Mark Sefton e-mail	7-2016
-	263	Gouffre de Cabrespine (lo Gaugnas)	France	Aude	Montagne Noire	13.981	22500	1653.5	504	Liste des cavites naturelles les plus longues de France	6-22
-	264	Baishui Dong	China	Guizhou	Jiang Kou	13.95	22450	0	0	http://www.grottes-et-karsts-de-chine.org/npds/gkc_rcdev50.php?	8-2016
-	265	Interessante Höhle	Austria	Hagengebirge	Salzburg	13.929	22416	2096.5	639	https://hoehle.org/laengste-tiefste	1-2022
UW	266	Sistema Ponderosa (Under Water & Dry)	Mexico	Quintana Roo	Tulum	13.774	22167	93.2	28.4	QRSS Long Caves List	7-2019
-	267	Pestera din Pârâul Hodobanei	Romania	Bihor	Mtii Bihor	13.758	22142	593.8	181	Liviu Valenas e-mail	3-2022
	268	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	6-22
-	269	Abisso Bueno Fonteno	Italy	Lombardia	Fonteno	13.67	22000	0	0	Speleologia N68P102-103	6-2016
-	270	Sistema del Hoyon de Saco(Sistema del Hoyo Grande)	Spain	Cantabria	Porracolina	13.546	21800	1738.8	530	Clasificacion Por Desnivel	7-2016
-	271	Krem Tyngheng/Diengjem	India	Meghalaya	Jaintia Hills	13.53	21775	0	0	Descent 243 P33	6-2017
-	272	Sistema del Rio Encantado	Puerto Rico	-	Florida,Ciales,Manati	13.527	21770	1128.6	344	Mark Minton e-mail
-	273	Krem KotSati/Um Lawan	India	Meghalaya	Jaintia Hills	13.378	21530	705.4	215	Indian Sub Coninent Longest/Deepest Limestone Caves 3/13	7-2009
-	274	Labyrinthhöhle im Eisernen Bergl	Austria	Warscheneck	Oberösterreich	13.35	21484	2431.1	741	https://hoehle.org/laengste-tiefste	1-2022
-	275	Big Bat Cave	USA	Kentucky	Breckenridge	13.25	21323.81	0	0	Steve Gentry e-mail	6-2016
-	276	Castleguard Cave	Canada	Alberta	Rockies	13.242	21311	1259.8	384	Canada Long and Deep Caves Assembled by Pat Shaw	8-2022
-	277	Jaskyna Mrtvych netopierov ??	Slovakia	Nizke Tatry	Dumbier	13.075	21042	1063	324	www.drienka.host.sk/najdlhsie.php	10-1988
-	278	Tham Pha Soung System (Tham Hay)	Laos	Khammouane	Ban Phondou	13.056	21012	232.9	71	Liviu Valenas e-mail	7-2009
-	279	Abisso Paolo Roversi	Italy	Toscana	Alpi Apuane	13.049	21000	4461.9	1360	web	1-2022
-	280	Gaping Gill System	United Kingdom	England	Northern Dales	13.049	21000	629.9	192	www.ukcaves.co.uk/all-longest	2-2018
-	281	Perte de Massar	France	Aveyron	Causse de Limogne	13.049	21000	393.7	120	Liste des cavites naturelles les plus longues de France	6-22
-	282	Rèseau Pleurachat-Doria	France	Auvergne-Rhone-Alpes	Prealpes	13.002	20924	941.6	287	Liste des cavites naturelles les plus longues de France	6-22
-	283	De Gamile Chine Xao (Chjine Xjo, Xine Xao)	Mexico	Oaxaca	-	13	21000	1080	330	Chris Andrews	3-2019
L	284	Emesine Cave (1881 System)	USA	Hawaii	Hawaii	12.89	20744.4	1433.1	436.8	Don Coons e-mail	3-2016
-	285	Cloud Cave - Cobra Cave - Bridge System	Malaysia	Sarawak	Mulu	12.82	20632	1082.7	330	Mulu Caves Project	10-2021
-	286	Mystery Cave System	USA	Minnesota	Fillmore	12.79	20583.51	101	30.78	Minnesota Speleology	8-1987
-	287	Ahnenschacht	Austria	Totes Gebirge	Oberösterreich	12.778	20564	1748.7	533	https://hoehle.org/laengste-tiefste	1-2022
-	288	Pielklieng-Sielkan Pouk river cave	India	Meghalaya	Jaintia Hills	12.752	20522	0	0	Descent N275P15	7-2009
-	289	Selminum Tem	Papua New Guinea	Western Prov.	Hindenburg Rng	12.738	20500	449.5	137	B.C.R.A. Bulletin
-	290	Baradla-Barlang	Hungary	Borsod-Abaúj-Zemplén	Aggtelek Karst;	12.738	20500	367.5	112	www.ariadneegyesulet.hu	6-2017
-	291	Anvil Cave (279)	USA	Alabama	Morgan	12.667	20385.56	51	15.54	Alabama Cave Survey	4-1980
-	292	Gradys (Mammoth River) Cave System	USA	Kentucky	Hart	12.6	20277.73	120	36.58	Carbide Caver V7I9P111	10-1998
-	293	Sistemul Ciur - Ponor - Toplita de Rosia	Romania	Bihor	Mtii Padurea Craiului	12.521	20150	748	228	Victor Ursu e-mal	10-2021
-	294	Grotte d'En Gorner	France	Pyrenees-Orientales	Conflent	12.49	20100	137.8	42	Liste des cavites naturelles les plus longues de France	6-22
-	295	Cave system of Crnelsko brezno	Slovenia	Julian Alps	Rombonski Podi	12.468	20066	4570.2	1393	Peter Svete e-mail	10-2021
-	296	Aven Noir	France	Aveyron	Grands Causses	12.427	20000	557.7	170	Liste des cavites naturelles les plus longues de France	6-22
-	297	Reseau Fanges - Paradet	France	Pyrenees-Orientales	Fenouilledes	12.28	19763	990.8	302	Bernard Ournie e-mail	5-2021
-	298	Dry Cave	USA	New Mexico	Eddy	12.222	19669.4	279	85.04	Stan Allison via Pete	3-2016
-	299	SchrattenHoehle	Switzerland	Obwalden	Kerns	12.207	19645	1879.9	573	http://ch.speleo.info	7-2009
-	300	Ellisons Cave	USA	Georgia	Walker	12.127	19516.51	1063	324	Georgia Underground V24N1	3-1987
-	301	Lingshandong	China	Guizhou	Zhengan	11.993	19301	1591.2	485	Long Caves in China by Erin Lynch	1-2016
-	302	Torca de los Corrales del Trillo (Sistema Pena del Trillo-La Tramasquera)	Spain	Cantabria / Burgos	-	11.992	19300	1430.4	436	Clasificacion Por Desnivel	7-2016
-	303	Wit Tamdoun	Morocco	Agadir	Immouzer	11.886	19128	0	0	Caves & Caving I84
-	304	Sistema del Faro-Isla de Mona	Puerto Rico	Isla de Mona	Mayaguez	11.868	19100	118.1	36	Marc Ohms e-mail	4-2017
-	305	Borne aux Cassots	France	Jura	Nevy-sur-Seile	11.851	19072	472.4	144	Liste des cavites naturelles les plus longues de France	6-22
-	306	Feihu Dong	China	Hunan	Longshan	11.806	19000	1115.5	340	http://www.grottes-et-karsts-de-chine.org/npds/gkc_gro.php?op=deve	2-2015
-	307	Ariadne Cave System	Hungary	Borsod-Abaúj-Zemplén	North-Central Mountains	11.806	19000	669.3	204	www.ariadneegyesulet.hu	6-2017
-	308	Rede Toneyo	Spain	Asturias	Macizo del Cornion	11.787	18970	2014.4	614	List of Spains Longest & Deepest (WWW)	4-1998
-	309	Hang khe Rhy	Vietnam	Quang Binh	Phong Nha-Ke Bang	11.756	18920	393.7	120	Peter MacNab e-mail	7-2008
UW	310	Cathedral-Falmouth System	USA	Florida	Suwannee	11.74	18893.7	429.1	130.8	Andrew Pitkin e-mail	1-2022
-	311	Cueva del Hoyo Salcedillo	Spain	Cantabria	Porracolina	11.682	18800	1745.4	532	Jose Luis Membrado e-mail	2-2015
-	312	Russell Cave (N.M.) (169)	USA	Alabama	Jackson	11.605	18675.71	405.8	123.7	Jason Richards	11-2017
-	313	Wells Cave	USA	Kentucky	Pulaski	11.496	18501.02	0	0	NSS News V57N10P308	10-1999
L	314	Cueva del Viento-cueva del Sobrado	Spain	Canarias Island	Tenerife Is.	11.495	18500	1837.3	560	Jose Luis Membrado e-mail	2-2020
-	315	Complesso Mutera - Fantozzi	Italy	Piemonte	Ormea	11.435	18403	0	0	Speleologia N68P102-103	6-2016
-	316	ARGO Cave System	Canada	BC	Vancouver Island	11.434	18401	1332	406	Canada Long and Deep Caves Assembled by Pat Shaw	8-2022
-	317	Rhar Bou Ma'za (Tafna River Cave)	Algeria	Terni	Tlemcen range	11.433	18400	0	0	Atlas - Great Caves of the World	6-2017
-	318	Stagebarn Crystal Cave	USA	South Dakota	Meade	11.371	18299.89	383.6	116.92	Derek Wolfe e-mail	7-2022
UW	319	Beacon Woods - Waynes World System	USA	Florida	Pasco	11.364	18289	160	48.8	Die langsten Unterwasserhohlensysteme der welt, Oliver Knab	6-2016
UW	320	Beacon Woods - Waynes World System (School Sink)	USA	Florida	Pasco	11.364	18288.59	160	48.77	Die langsten Unterwasserhohlensysteme der welt, Oliver Knab	6-2016
-	321	Igues de Goudou - Lacarriere	France	Lot	Causse de Gramat	11.362	18285	413.4	126	Liste des cavites naturelles les plus longues de France	6-22
-	322	Krem UmTHLOO-SYNRANG Labbit	India	Meghalaya	Jaintia Hills	11.33	18234	616.8	188	Descent N275P15
-	323	Luweng Jaran System	Indonesia	Java Timur	Pacitan	11.309	18200	393.7	120	Caves of Malaysia	6-2017
-	324	Duhlata (D(a)(ou)hklata)	Bulgaria	Pernik	Vitoshaq	11.309	18200	229.7	70	Caves of Bulgaria	7-2016
Q	325	Cueva del Saman	Venezuela	Edo Zulia	Fundo las Pis.	11.309	18200	0	0	Franco Urbani	6-2017
-	326	Reseau de Malissard	France	Isere / Savoie	Chartreuse	11.284	18160	1361.5	415	Liste des cavites naturelles les plus longues de France	6-22
-	327	Gouffre des Vitarelles	France	Occitanie/Lot/Gramat	Gramat	11.282	18156	462.6	141	Liste des cavites naturelles les plus longues de France	6-22
-	328	Pestera de la Izvorul Tausoare	Romania	Bistrita-Nasaud	Mtii Rodnei	11.251	18107	1512.5	461	Victor Ursu e-mal	10-2021
-	329	Ambatoharanana	Madagascar	Ambilobe	Ankarana	11.247	18100	0	0	Atlas - Great Caves of the world
-	330	Cueva de Mairuelegorreta	Spain	Araba	Gorbea	11.239	18088	0	0	Jose Luis Membrado e-mail	8-2018
-	331	Woising-Höhlensystem	Austria	Totes Gebirge	Stmk/OÖ	11.223	18062	2181.8	665	https://hoehle.org/laengste-tiefste	1-2022
-	332	Crumps Spring Cave	USA	Kentucky	Hart	11.2	18025	140	42.67	Ronnie Harrison e-mail	3-2019
-	333	Grotte de Gournier	France	Isere	Vercors	11.185	18000	2231	680	Liste des cavites naturelles les plus longues de France	6-22
-	334	Goochland - Poplar Cave Complex	USA	Kentucky	Rockcastle	11.18	17992.47	0	0	Kentucky Speleo-Fest Guidebook	6-2016
-	335	Stefanova	Slovakia	Nizke Tatry	Demanovske vrchy	11.173	17981	423.2	129	Pavel Herich e-mail	7-2016
-	336	Predjamski sistem	Slovenia	-	-	11.151	17945	551.2	168	Long Cave List	9-2019
-	337	Sistema sima GESM - sima de la Luna	Spain	Malaga	Tolox	11.147	17940	3602.4	1098	Jose Luis Membrado e-mail	3-2022
Q	338	Charles Brewer Cave System (Quartzite)	Venezuela	Bolivar	Churi Tepui	11.06	17800	361	110	Venezuelan tepuis-their caves and biota	2-2018
-	339	Peak/Speedwell System (part mine)	United Kingdom	England	Derbyshire	11.029	17750	813.6	248	www.ukcaves.co.uk/all-longest	7-2016
-	340	Tanne aux Cochons - Tanne Froide	France	Savoie	margeriaz	10.995	17694	2700	825	Liste des cavites naturelles les plus longues de France	6-22
-	341	Chu Yan (Xiniu) Dong	China	Guizhou	An Long	10.936	17600	1164.7	355	http://www.grottes-et-karsts-de-chine.org/npds/gkc_rcdev50.php?	6-2017
-	342	Sistema de Partacua	Spain	Huesca	Pirineos	10.829	17427	2706.7	825	Jose Luis Membrado e-mail	8-2018
-	343	Aven du Sotch de la Tride	France	Aveyron	Grands Causses	10.812	17400	1122	342	Liste Drouin	6-2017
-	344	Reseau du Rupt du Puits	France	Meuse	Barrois	10.812	17400	164	50	Liste des cavites naturelles les plus longues de France	6-22
-	345	Grotta del Bue Marino	Italy	Sardinia	Dorgali	10.812	17400	0	0	Speleologia N68P102-103	6-2016
L	346	Kona Mala Cave	USA	Hawaii	Hawaii	10.775	17341	185.4	56.5	Tomislav Gracanin files	1-2014
-	347	Portal-BoarHole System (Boartal)	USA	West Virginia	Greenbrier	10.72	17252.17	333	101.5	WVACS	1-2022
-	348	Blowhole (Nichole's) Cave	USA	Tennessee	Cannon	10.709	17233.9	172	52.43	Derek Wolfe e-mail	2-2020
-	349	Duobing Dong	China	Guizhou	Xiuwen/Xifeng	10.694	17210	0	0	http://www.grottes-et-karsts-de-chine.org/npds/gkc_rcdev50.php?	2-2015
-	350	Sistema la Verdilluenga	Spain	Asturias	Picos de Europa	10.685	17196	2969.2	905	Jose Luis Membrado e-mail	11-2017
-	351	Tham Chom Ong System	Laos	Xai	Oudoaxay	10.657	17150	0	0	Eurospeleo Magazine N2P66	7-2009
-	352	Lazareva Cave	Serbia	Central Serbia	Bor	10.62	17092	354.3	108	Robert Misic	7-2009
-	353	Conjunto Santa Rita	Brazil	Iraquara	Bahia	10.594	17050	0	0	As Maiores Cavernas Do Basil	1-2020
-	354	Cueva Tonio - Cayueia	Spain	Cantabria	Porracolina	10.566	17005	1729	527	Jose Luis Membrado e-mail	9-2019
-	355	Neide - Muruk Cave	Papua New Guinea	New Britain	Galowe Plateau	10.563	17000	4127.3	1258	Deep Cave List by Philippe Drouin
-	356	Complesso Ispinigoli - S.Giovanni Su Anzu-Nurachi	Italy	Sardinia	Dorgali	10.563	17000	0	0	Speleologia N68P102-103	6-2016
-	357	Katalehkhor Cave	Iran	Zanjan	-	10.563	17000	0	0	-
-	358	Petroglyph Cave (part of the Caves Branch S.)	Belize	-	-	10.563	17000	0	0	Tom Miller e-mail	1-2016
UW	359	Cenote Zapote	Mexico	Quintana Roo	Tulum	10.419	16768	92	28	QRSS Long Caves List	7-2019
-	360	Aven de la Leicasse	France	Herault	Grands Causses	10.271	16530	1168	356	Jean-Yves Bigot	1-2016
-	361	Lapa Doce ll	Brazil	Iraquara	Bahia	10.253	16500	0	0	As Maiores Cavernas Do Basil	1-2020
-	362	James (Thousand Domes) Cave	USA	Kentucky	Edmonson	10.25	16495.78	0	0	Glenn Merrill	7-1984
-	363	Kolkina Dupka	Bulgaria	Sofia	Balkan Mountains	10.235	16471	1778.2	542	Wikipedia	8-2022
-	364	Reseau de la Couze (Correze)	France	Correze	Causse de Martel	10.207	16426	337.9	103	Thierry Apriland via Yvonne e-mail	1-2016
Q	365	Sistema Roraima Sur	Venezuela	-	-	10.19	16400	236.2	72	2009 NSS/ICS Kerrville Texas
-	366	Sustav Dulin ponor - Medvedica	Croatia	Hrvatska	Ogulin	10.188	16396	272.3	83	http://public.srce.hr/speleo/karta.html	6-2017
-	367	Gruta do Padre	Brazil	Bahia	Santana	10.184	16390	0	0	As Maiores Cavernas Do Basil	1-2020
-	368	Lapa São Vicente l	Brazil	Goias	Sao Domingos	10.184	16390	0	0	As Maiores Cavernas Do Basil	1-2020
-	369	Pestera din Valea Rea	Romania	Bihor	Mtii Bihor	10.164	16357	1220.5	372	Victor Ursu e-mal	3-2022
-	370	Silvertip Cave System	USA	Montana	Flathead	10.16	16350.94	997.4	304	Jason Ballensky e-mail	5-2022
UW	371	Sistema Doggi	Mexico	Quintana Roo	Felipe Carrillo Puerto	10.133	16307.8	50.9	15.5	QRSS Long Caves List	7-2019
-	372	Tham Kon Nam/Tham Hang Phung/Tham Luong	Laos	Boualapha	Khammouane	10.128	16300	164	50	Peter MacNab FB	7-2009
G	373	Sistema Kulogorskaya-Troya .	Russia	Arkhangelsk	Pinega	10.096	16248	59.1	18	Karst and cave Pinega's - Victor Malkov, Evgeny Gurkalo	6-2017
-	374	Blauhòhlensystem	Germany	Badem-Wurittenburg	-	10.054	16180	0	0	Kurt Kohler e-mail	12-2016
Q	375	Ojos Cristal Cave System (Crystal Eyes) (Quartzite)	Venezuela	Bolivar	Roraima Tepui	10.029	16140	240	73	Venezuelan tepuis-their caves and biota
-	376	Vinegar Ridge (Buckingham Palace) Cave	USA	Kentucky	Hart	10	16093	211	64.31	Ronnie Harrison e-mail	3-2019
-	377	Hidden River Cave	USA	Kentucky	Hart	10	16093	0	0	Dave Foster e-mail	2-2018
-	378	Perkins Cave	USA	Virginia	Washington	9.997	16088.61	300	91.44	Virginia Speleological Survey	6-2016
-	379	Krubera (Voronja) Cave	Georgia	Abkhazia	West Caucasus	9.978	16058	7214.6	2199	Web	6-2017
G	380	Aven Lacas	France	Occitanie	-	9.974	16051	1332	406	Liste des cavites naturelles les plus longues de France	6-22
-	381	Complesso Cappa-18-Denver-Straldi	Italy	Piemonte	Briga Alta	9.942	16000	2559.1	780	Speleologia N68P102-103	6-2016
L	382	Pahoa Cave(s) (segmentation??)	USA	Hawaii	Hawaii	9.942	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.	5-2016
-	383	Dan yr Ogof	United Kingdom	Wales	Powys	9.942	16000	492.1	150	www.ukcaves.co.uk/all-longest	1-2016
-	384	Poulnagollum - Poulelva	Ireland	South Wales	Co. Clare	9.942	16000	459.3	140	www.ukcaves.co.uk/all-longest
UW	385	Luraville / Telford System	USA	Florida	Suwanee	9.937	15991.64	72	21.95	Andy Higgie e-mail	2-2022
-	386	Snail Shell Cave System	USA	Tennessee	Rutherford	9.926	15974.35	144	43.89	Jeff Sims	7-1986
-	387	Dunbar Cave - Roy Woodard System (Saltpeter)	USA	Tennessee	Montgomery	9.85	15852.04	119	36.27	Tony Groves e-mail	9-2016
UW	388	Entrada Caapechen (Cenote Manatee)	Mexico	Quintana Roo	Tulum	9.717	15638	91.9	28	QRSS Long Caves List	7-2019
G	389	Évent de Rognès	France	Occitanie	-	9.693	15600	91.9	173	Liste des cavites naturelles les plus longues de France	6-22
-	390	Cueva del Nacimiento	Spain	Cantabria	Picos de Europa	9.691	15596	1755.2	535	Jose Luis Membrado e-mail	2-2022
-	391	Sullivan Cave	USA	Indiana	Lawrence	9.632	15501.2	105	32	Long cave list for Indiana, Indiana Cave Survey	3-2017
-	392	Big Bone Cave (Saltpeter)	USA	Tennessee	Van Buren	9.627	15493.15	226	68.88	John Smyre	6-1984
UW	393	Springs Cave, Jackson Blue	USA	Florida	Jackson	9.591	15436	100.1	30.5	Ben Martinez e-mail	4-2018
-	394	Diros Cave	Greece	Peloponnese	Laconia	9.569	15400	0	0	www.selas.org	10-2016
-	395	Leandras Cave	USA	Arizona	Coconino	9.547	15364.41	378	115.21	map at park Headquarters via Greg e-mail	6-2016
-	396	Sistema de las Bernias	Spain	Burgos	Lunada	9.532	15340	905.5	276	Clasificacion Por Desnivel	7-2016
-	397	Hang Vom	Vietnam	Quang Binh	Phong Nha-Ke Bang	9.513	15310	0	0	Peter MacNab e-mail	7-2008
-	398	Boqueirão	Brazil	Bahia	Carinhanha	9.47	15240	0	0	As Maiores Cavernas Do Basil	1-2020
-	399	Cueva de Alpazat	Mexico	Puebla	-	9.445	15200	0	0	http://www.amcs-pubs.org/longanddeep.html	1-2016
-	400	Kacna Cave (System)	Slovenia	Divaski Karst	-	9.433	15181	918.6	280	Longest & Deepest Caves of Slovenia	9-2016
-	401	Tham Xe Bang Fai	Laos	Khammouane	Thakhek	9.432	15180	0	0	Caves of Malaysia	7-2009
-	402	Sima del Aire	Spain	Malaga	Sierra de las Nieves	9.393	15116	2470.5	753	Jose Luis Membrado e-mail	3-2022
-	403	Sof Omar Holluca	Ethiopia	Bale	Ityopya	9.383	15100	49.2	15	Atlas - Great Caves of the World
-	404	Megamania Cave	New Zealand	South Island	Heaphy Valley	9.325	15007	0	0	Lindsay Main NZ Speleological Soc. Info Officer	8-2022
-	405	Complesso Omber en Banda al Bus del Zel-791	Italy	Lombardia	Cariadeghe	9.321	15000	1410.8	430	http://www.Class.del.g.piulunghe/profon.d'Italia	6-2017
	406	Grotte de la Cigalere	France	Ariege	Pyrenees	9.321	15000	748	228	Philippe Audra (Spelunca N66)	6-2017
-	407	Gratta Su Bentu - Sa Oche	Italy	Sardinia	Nuoro	9.321	15000	0	0	http://www.Class.del.g.piulunghe/profon.d'Italia	6-2017
-	408	Sistema Constantino	Cuba	Pinar del Rio	-	9.321	15000	0	0	WLCL
-	409	Ozto J2	Mexico	Oaxaca	Cuicatlan	9.221	14840	4032.2	1229	Mark Minton e-mail	1-2016
-	410	Kimble Pit	USA	West Virginia	Pendleton	9.22	14838.15	427	130.14	Corey Hackley e-mail	11-2021
-	411	Cueva del Lobo	Spain	Cantabria	-	9.184	14780	931.8	284	Jose Luis Membrado e-mail	1-2016
UW	412	Sistema Dos Pisos	Mexico	Quintana Roo	Tulum	9.169	14756	80.1	24.4	QRSS Long Caves List	7-2019
-	413	Ludingtons Cave	USA	West Virginia	Greenbrier	9.14	14709.4	250	76.2	Joseph Caldwell l	1-2016
-	414	Hochscharten-Höhlensystem	Austria	Hoher Göll	Salzburg	9.114	14668	4573.5	1394	https://hoehle.org/laengste-tiefste	1-2022
-	415	Wyandotte Cave	USA	Indiana	Crawford	9.1	14645.03	256	78.03	Long cave list for Indiana, Indiana Cave Survey	3-2017
-	416	Rice Cave (Saltpeter)	USA	Tennessee	Van Buren	9.1	14645	210	64.01	Tenn.Cave Survey	10-2021
-	417	Complejo Piscarciano-Vacas-Arenas	Spain	Burgos	Haz de Arreba	9.098	14642	0	0	Jose Luis Membrado e-mail	2-2021
UW	418	Cova de sa Gleda - Camp des Pou.	Spain	Balearics	Manacor	9.084	14620	82	25	Jose Luis Membrado e-mail	3-2021
-	419	Systeme de Sauvas-Cocaliere	France	Ardeche	Bas-Vivarais	9.01	14500	292	89	Jean-Yves Bigot	1-2016
-	420	Skydusky Hollow Cave System (Newberry - Bane - Buddy Penley Cave)	USA	Virginia	Bland	9	14484.1	380	115.82	Ed Devine	11-2021
-	421	Dry Cave	USA	West Virginia	Greenbrier	8.95	14403.63	314	95.71	Socky	11-2022
-	422	Duncan Field System	USA	Oklahoma	Adair	8.92	14355.35	124	37.8	Keith (Andy) Harris e-mail	4-2017
-	423	Punta Pena System (Cueva de la Lastrilla, Cubilla, Jabali)	Spain	Cantabria	Castro Urdiales	8.896	14317	797.2	243	Pedro Antonio Diaz Hoz e-mail	1-2022
UW	424	Sistema Murena - Aak Kimin	Mexico	Quintana Roo	Tulum	8.866	14268.6	225.1	68.6	QRSS Long Caves List	7-2019
-	425	Fuchslabyrinth	Germany	Badem-Wurittenburg	-	8.861	14261	0	0	Andreas Wolf List of Longest Caves in Germany	12-2016
-	426	Synrang Pamiang	India	Meghalaya	-	8.797	14157	1040	317	BCRA I12P16
-	427	Labassa	Italy	-	-	8.699	14000	1988.2	606	Eric Madelanine list	7-2006
-	428	Slaughter Stream Cave	United Kingdom	South Wales	Forest of Dean	8.699	14000	328.1	100	Eric Madelanine list	7-2006
-	429	Apocalypse Pothole	South Africa	Western Transvaal	Carletonville	8.699	14000	278.9	85	Eric Madelanine list	7-2006
-	430	Tapolcai-Barlangrendszer	Hungary	-	-	8.699	14000	114.2	34.8	www.ariadneegyesulet.hu	6-2017
-	431	Complejo Gesarribe	Spain	Guipuzkoa	Oñati	8.699	14000	0	0	Jose Luis Membrado e-mail	2-2021
-	432	gruta de Almonda	Portugal	-	-	8.699	14000	0	0	Eric Madelanine list	1-2016
-	433	K2, Hohgant	Switzerland	Bern	Habkern	8.697	13996	2431.1	741	http://ch.speleo.info	7-2009
-	434	Webster Cave Complex	USA	Kentucky	Breckenridge	8.682	13972.32	0	0	Ben Tobin WCCSG e-mail	6-2016
	435	Rèseau de la Grotte des Chamois	France	Alpes-Côte d'Azur	Alpes du Sud	8.637	13900	0	390	Liste des cavites naturelles les plus longues de France	6-22
-	436	Altherrenlabyrinth	Austria	Tennengebirge	Salzburg	8.622	13876	1295.9	395	https://hoehle.org/laengste-tiefste	1-2022
-	437	Cassell Cave System	USA	West Virginia	Pocohontas	8.62	13872.55	140	42.67	Gangsta Mappers	10-2017
-	438	Thompson Valley Cave System (Corkscrew Cave)	USA	Virginia	Tazewell	8.6	13841	603.7	184	VSS	11-2019
-	439	Yorkshire Pot	Canada	AB/BC	Rockies	8.582	13812	1276.2	389	Canada Long and Deep Caves Assembled by Pat Shaw	8-2022
-	440	Tham Phra Wang Daeng	Thailand	Phitsanulok	Noen Maprang	8.568	13789	360.9	110	Caves of Malaysia	10-2016
UW	441	Pozo Azul	Spain	Burgos	Covanera	8.559	13775	232.9	71	Jose Luis Membrado e-mail	3-2021
-	442	AIXA-Ibarrengo	Spain	Guipuzkoa	Itziar	8.546	13754	0	0	Jose Luis Membrado e-mail	2-2021
	443	Rèseau d'Ardengost	France	Occitanie	Pyrenees	8.525	13720	0	440	Liste des cavites naturelles les plus longues de France	6-22
-	444	Anjohy Kibojenjy	Madagascar	Bemaraha	Bekopaka	8.523	13717	0	0	Atlas of the Great Caves and Karst of Africa Part 1 P164	7-2009
-	445	HH Cave (Honeycomb Hill)	New Zealand	South Island	Mt Arthur	8.52	13712	2365.5	721	Lindsay Main NZ Speleological Soc. Info Officer	1-2016
-	446	Falls Cave	USA	Arizona	Coconino	8.5	13672.6	207.5	63.2	Paul Burger	12-2022
-	447	Torca de la Llana de la Len	Spain	Cantabria	Porracolina	8.453	13603	0	0	Jose Luis Membrado e-mail	2-2021
-	448	Acme Quarry Cave System	USA	West Virginia	Greenbrier	8.451	13600.57	241	73.46	Ron Fulcher e-mail	7-2016
-	449	Tham Lom-Tham Nam System	Thailand	Chiang Mai	Chiang Dao	8.414	13541	577.4	176	Martin Ellis e-mail	9-2016
-	450	Sistema del Alto Bueras	Spain	Cantabria	Bueras Voto	8.398	13515	433.1	132	Pedro Antonio Diaz Hoz e-mail	1-2022
C	451	Cova Cuberes (Conglomerate)	Spain	Catalonia	Pallars Jussa	8.397	13513	1076.1	328	Jordi Lloret-Prieto e-mail	3-2016
-	452	Complesso di Conca delle Carsene	Italy	-	-	8.389	13500	2490.2	759	www.sop.inria.fr/agos-sophia/sis/DB/	4-2017
UW	453	Sistema Camilo	Mexico	Quintana Roo	Tulum	8.352	13442	82	25	QRSS Long Caves List	7-2019
-	454	Orlova Chouka (Eagle Hammer)	Bulgaria	Ruse	Danubian Plane	8.349	13437	39.4	12	Eric Madelanine list	7-2006
-	455	Cueva de la Cullalvera	Spain	Cantabria	Ramales de la Victoria	8.326	13400	0	0	Jose Luis Membrado e-mail	2-2021
-	456	Tham Thon-Tham Houey Sam Boun	Laos	Khammouane	Thakhek	8.27	13309	0	0	Caves of Malaysia
UW	457	Sistema Nohoch Sac Tatich	Mexico	Quintana Roo	Tulum	8.243	13266	46.9	14.3	QRSS Long Caves List	1-2021
-	458	Hudgill Burn Mine Caverns (part mine)	United Kingdom	-	Northern Dales	8.229	13244	196.9	60	www.ukcaves.co.uk/all-longest	5-2021
UW	459	Sistema Sac Kai (Paachi Nah)	Mexico	Quintana Roo	Tulum	8.208	13209	51	15.5	QRSS Long Caves List	7-2019
-	460	Sysème souterrain de I'Hyder	France	Occitanie	-	8.202	13200	1981.6	604	Liste des cavites naturelles les plus longues de France	6-22
-	461	Corra-Lynn	Australia	-	-	8.202	13200	124.7	38	Eric Madelanine list	7-2006
-	462	Bowman's Pit - Skert Well	USA	Kentucky	Wayne	8.2	13196.62	226	68.88	Lee Florea e-mail	7-2019
C	463	Longmen Dong (Conglomerate)	China	Sichuan	Yaan	8.196	13190	1168	356	www.hongmeigui.net/deepandlong.php	4-2017
-	464	Cuyler Cave	USA	Tennessee	Sevier	8.16	13132.25	300	91.44	Steve Pierce	7-1986
-	465	Gutschtobelhöhle	Switzerland	Muotathal	SZ	8.137	13096	2063.6	629	Eric Madelanine list	7-2009
-	466	Sistema Yaxchen East	Mexico	-	-	8.134	13090	0	0	Eric Madelanine list	7-2006
-	467	Špiljski sustav Panjkov ponor - Muškinja - Varicakova	Croatia	Nova Kršija	Kurdun	8.11	13052	0	0	Aida Barišic e-mail	6-22
-	468	Wolf River (Jaguar) Cave (Saltpeter)	USA	Tennessee	Fentress	8.104	13042.12	221	67.36	Kristen Bobo e-mail	10-2016
	469	Blanchard Springs Cave	USA	Arkansas	Stone	8.1	13035.69	89.9	27.4	Dave Bunnell	5-2001
-	470	Climax Cave	USA	Georgia	Decatur	8.1	13035.69	80	24.38	Map	5-2016
-	471	Sistema de Pozalaqgua	Spain	Burgos/Araba	Sierra Salvada	8.1	13036	0	0	Jose Luis Membrado e-mail	2-2021
-	472	Sarah Furnace (Porter's) Cave	USA	Pennsylvania	Clarion	8.098	13032	26	7.92	Bert Ashbrook e-mail	11-2022
-	473	Herbstlabyrinth-Adventhöhle-system	Germany	Hesse	-	8.084	13010	301.8	92	Andreas Wolf List of Longest Caves in Germany
	474	Gouffre Mirolda / Lucien Bouclier	France	Haute Savoie	Samoens	8.078	13000	5335	1733	Philippe Audra (Spelunca N66)	6-2017
	475	Tanne des Pra d'Zeures T075	France	Haute Savoie	Tournette	8.078	13000	3766	1148	Liste des cavites naturelles les plus longues de France	6-22
-	476	Festival'naya-Ledopadnaya (Dark Star)	Uzbekistan	-	-	8.078	13000	3080.7	939	Olaf Kähler e-mail	2-2018
-	477	Complesso (Sotterranceo) del Col Delle Erbe	Italy	Friuli VG	Canin Massif	8.078	13000	3067.6	935	http://www.Class.del.g.piulunghe/profon.d'Italia	6-2017
-	478	Cueva del Rio La Venta	Mexico	-	-	8.078	13000	1410.8	430	Eric Madelanine list	7-2006
-	479	Aven de la Combe Rajeau	France	Auvergne-Rhone-Alpes	-	8.078	13000	820.2	250	Liste des cavites naturelles les plus longues de France	6-22
-	480	Rèseau Trou qui Fume - Grotte des Duffaits	France	Nouvelle-Aquitaine	-	8.078	13000	131.2	40	Liste des cavites naturelles les plus longues de France	6-22
-	481	Sistema de Joblegòn	Spain	Cantabria	Reocin	8.078	13000	0	0	Jose Luis Membrado e-mail	2-2021
-	482	Okshola-Kristihola	Norway	-	Fauske	8.078	13000	0	0	David stPierre	6-2016
-	483	Rèseau Median du clos d'Aspres	France	-	-	8.047	12950	2345.8	715	Eric Madelanine list	7-2006
-	484	Powder Mill Creek Cave	USA	Missouri	Shannon	8.047	12950.39	103	31.39	M.S.S. Baker	2-2015
-	485	Hölloch im Mahdtal	Austria	Allgäuer Alpen	D(Bayern)/Vorarlberg	8.016	12900	1482.9	452	https://hoehle.org/laengste-tiefste	1-2022
UW	486	Sistema Pandora	Mexico	Quintana Roo	Tulum	8.01	12891	74.1	22.6	QRSS Long Caves List	1-2021
-	487	Rèseau Camelot	France	Nouvelle-Aquitaine	-	7.922	12750	147.6	45	Liste des cavites naturelles les plus longues de France	6-22
-	488	Weymer Cave System	Canada			7.916	12739	1213.9	370	Pat Shaw e-mail	2-2022
-	489	Tham Mae Lana	Thailand	Mae Hong Son	Pang Ma Pha	7.904	12720	492.1	150	Caves of Malaysia	2-2015
-	490	Unthanks Cave	USA	Virginia	Lee	7.9	12713.82	211	64.31	2009 NSS/ICS Kerrville Texas	7-2016
-	491	Sistema Torca de los Morteros	Spain	Burgos	Espinosa de los Monteros	7.895	12705	1463.3	446	Jose Luis Membrado e-mail	6-22
-	492	Grassy Cove Saltpetre Cave (Saltpeter)	USA	Tennessee	Cumberland	7.893	12702.55	367	111.86	Deep Caves of TAG, John Stembel	10-2016
-	493	Veryovkina	Georgia	Abkhazia	Arabika massive	7.891	12700	7257.2	2212	FB
UW	494	Old Bellamy (Derekson)(Santa Fe River Rise) Cave Sys.	USA	Florida	Alachua	7.865	12657.49	160	48.77	Die langsten Unterwasserhohlensysteme der welt, Oliver Knab	6-2016
-	495	Great EX(pectations) Cave	USA	Wyoming	Washakie	7.854	12639.79	1408	429.16	NSS News V44N6 (Peter Shifflett)	6-1986
-	496	Lee Cave	USA	Kentucky	Edmonson	7.817	12580.24	0	0	CRF	8-1987
-	497	Overholts Blowing Cave	USA	West Virginia	Pocahontas	7.811	12570.59	666	203	Gary Storrick	1-2016
-	498	Whistling Cave	USA	Indiana	Lawrence	7.81	12568.98	0	0	Long cave list for Indiana, Indiana Cave Survey	3-2017
-	499	Camps Gulf Cave (Saltpeter)	USA	Tennessee	Van Buren	7.807	12564.15	368	112.17	Deep Caves of TAG, John Stembel	10-2016
-	500	Complesso del Monte Tambura	Italy	Toscana	Alpi Apuane	7.767	12500	3307.1	1008	Ettore Callegari e-mail;	3-2016
-	501	Combe des Bioles - Tanne des Squelettes	France	Savoie	Bauges	7.767	12500	1847.1	563	Philippe Audra (Spelunca N66)	6-2017
-	502	Wildbaderhöhle	Austria	Totes Gebirge	Steiermark	7.765	12496	3612.2	1101	https://hoehle.org/laengste-tiefste	1-2022
-	503	Stompbottom Cave	USA	Virginia	Tazewell	7.73	12440.23	319	97.23	VSS Long Cave List	2-2015
UW	504	Rèseau Lot du Bois - Source du pissieux	France	Auvergne-Rhone-Alpes	-	7.715	12416	607	185	Liste des cavites naturelles les plus longues de France	6-2022
G	505	Grotte du Banquier	France	Occitanie	-	7.705	12400	492.1	150	Liste des cavites naturelles les plus longues de France	6-22
-	506	Pàl-Völgy	Hungary	-	-	7.705	12400	341.2	104	Eric Madelanine list	7-2006
-	507	Sistema Cueva'l Trumbiu - Pozu Haciosu	Spain	Asturias	Picos de Europa	7.705	12400	0	0	Jose Luis Membrado e-mail	2-2021
-	508	Tonion-Höhlensystem	Austria	Tonion	Steiermark	7.678	12357	1902.9	580	https://hoehle.org/laengste-tiefste	1-2022
UW	509	Madison Blue Spring	USA	Florida	Madison	7.67	7774.74	140	42.67	Mat Hansen, FB	12-2022
-	510	Sistemul Zapodie - Pestera Neagra	Romania	Bihor	Mtii Bihor	7.655	12320	587.3	179	Liviu Valenas e-mail
-	511	Rudickê propadani	Czech Rep.	-	-	7.643	12300	590.6	180	Eric Madelanine list	7-2006
-	512	Mactingol Cave	Philippines	Samar Island	-	7.643	12300	0	0	Atlas of the Great Caves and Karst of Southeast Asia P211	10-2021
-	513	Renejevo brezno - P4	Slovenia	Julian Alps	Kaninski podi	7.64	12296	4337.3	1322	Long Cave List	8-2020
-	514	Cuves de Sassenage	France	Auvergne-Rhone-Alpes	-	7.64	12295	1515.7	462	Liste des cavites naturelles les plus longues de France	6-22
-	515	Blue Water Cave	Philippines	Baggao	Cagayan	7.628	12276	869.4	265	Henry Bennett e-mail	8-2022
-	516	Gua Salukkan Kallang	Indonesia	Sulawesi Selatan	Kappang	7.618	12260	0	0	Caves of Malaysia	6-2017
-	517	Atlixicaya	Mexico	-	-	7.581	12200	0	0	Eric Madelanine list	7-2006
-	518	Gardner's Gut	New Zealand	South Island	Waitomo	7.579	12197	0	0	Eric Madelanine list	1-2016
-	519	Haws Spring Cave	USA	Tennessee	Cannon	7.576	12192.39	150	45.72	TCS	1-1996
-	520	Lofererschacht	Austria	Loferer Steinberge	Salzburg	7.535	12126	2644.4	806	https://hoehle.org/laengste-tiefste	1-2022
-	521	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	8-2020
-	522	Neuenburgerhöhle	Switzerland	Frluhli	LU	7.51	12086	711.9	217	List of Swiss Long k& Deep Caves	7-2009
-	523	Long Hollow (Dyke's/Mud-&-Slime) Cave System	USA	Kentucky	Pulaski	7.497	12065.25	235	71.63	Mark Turner e-mail	11-1998
-	524	Cueva del Carcabon	Spain	Cantabria	Sierra de Homijo	7.489	12052	0	0	Jose Luis Membrado e-mail	8-2022
-	525	Sniezna Studnia	Poland	-	Tatra Mountains	7.488	12050	2503.3	763	Polish Caving 2005-2020 09	2-2021
-	526	Andriafiabe	Madagascar	Ambilobe	Ankarana	7.475	12030	0	0	Eric Madelanine list
-	527	St.Beatus-Höhlen	Switzerland	Beatenberg	BE	7.466	12015	1158.1	353	List of Swiss Long k& Deep Caves	3-2022
-	528	Sistema Chango Mistico	Mexico	Quintana Roo	Tulum	7.46	12006	0	0	QRSS Long Caves List	5-2021
-	529	Helictite Cave	USA	Virginia	Highland	7.458	12002	205.6	62.67	Nathan Farrar e-mail	1-2018
-	530	Pinargozü Magarasi	Turkey	Isparta	Yenisarbademli	7.456	12000	2165.4	660	Caves and Caving I72	11-2020
-	531	Grotta della Mottera	Italy	-	-	7.456	12000	2034.1	620	Eric Madelanine list	7-2006
-	532	Tham Phi Xua	Laos	Khammouane	Thakhek	7.456	12000	1525.6	465	Atlas of the Great Caves and Karst of Southeast Asia P113
-	533	Windlöcher-Klingertalschacht	Austria	Untersberg	Salzburg	7.456	12000	1348.4	411	https://hoehle.org/laengste-tiefste	1-2022
G	534	Grotte de Malaval	France	Occitanie	-	7.456	12000	777.6	237	Liste des cavites naturelles les plus longues de France	6-22
-	535	Tham Lo	Laos	Khammouane	Thakhek	7.456	12000	328.1	100	Atlas of the Great Caves and Karst of Southeast Asia P113	6-2017
G	536	Grotte de Fontrabiouse	France	Occitanie	-	7.456	12000	196.9	60	Liste des cavites naturelles les plus longues de France	6-22
-	537	Igue de la Vayssière	France	Occitanie	-	7.456	12000	82	25	Liste des cavites naturelles les plus longues de France	6-22
-	538	Cueva Pitch	Mexico	-	-	7.456	12000	0	0	Eric Madelanine list	7-2006
-	539	Rèseau de Lavayssiere	France	-	-	7.456	12000	0	0	Eric Madelanine list	7-2006
-	540	Pixan Bel	Mexico	Quintana Roo	Tulum	7.394	11899	0	0	QRSS Long Caves List	5-2021
-	541	Labyrinthe d'Antsarahaso	Madagascar	Andraafiamena	Analamera	7.381	11879	0	0	Atlas of the Great Caves and Karst of Africa Part 1
-	542	Mala Boka - BC4 System	Slovenia	Julian Alps	Bovska Kotlina	7.379	11875	4327.4	1319	Marko Erker e-mail	8-2016
-	543	Sistema Atepetaco (Miquizco + Viento + Mama Mia)	Mexico	Puebla	-	7.379	11876	0	0	http://www.mexicancaves.org/geninfo/longanddeep.html	3-2019
UW	544	Lineater (Stevenson Spring)	USA	Florida	Hamilton	7.364	11851	174.9	53.3	Andy Pitkin FB	1-2022
-	545	Sistema del Risco	Spain	Cantabria	Matienzo	7.357	11840	315	96	Juan Corrin e-mail	1-2023
-	546	Grayson Gunnar Cave	USA	Kentucky	Wayne	7.323	11785.23	180	54.86	Harry Goepel FB	9-2022
-	547	Bilemot Kul	South Korea	Cheju Island	-	7.3	11749	803.8	245	On Lava Caves in Japan and Vivinity	8-2016
-	548	Rèseau Christian - Gathier	France	Auvergne-Rhone-Alpes	-	7.27	11700	1072.8	327	Liste des cavites naturelles les plus longues de France	6-22
-	549	Lungib Can-Yawa	Philippines	Samar Island	Calbiga	7.27	11700	374	114	Atlas of the Great Caves and Karst of Southeast Asia P211	8-2022
-	550	Pestera Sura Mare	Romania	Hnedoara	Mtii Sebesului	7.266	11694	1394.4	425	Romania-Natural	8-2022
-	551	Paxtons Cave	USA	Virginia	Alleghany	7.26	11683.84	71	21.64	VSS Long Cave List	2-2015
-	552	Snail Shell Cave	Malaysia	Sarawak	Gunung Buda	7.23	11636	1551.8	473	-
-	553	Lisanby Cave	USA	Kentucky	Caldwell	7.22	11619.46	0	0	Mike Dyas	6-1989
-	554	Sistema Rotablin	Spain	Cantabria	Reocin	7.205	11596	0	0	Pepe Membrado e-mail	7-2022
UW	555	Peacock Cave I-II System	USA	Florida	Suwanee	7.2	11587.28	210	64.01	Richard Blackburn e-mail	6-2016
-	556	Basanberroko Ziloa	Spain	Nafarroa	Koroa	7.186	11565	810.4	247	Pepe Membrado e-mail	7-2022
UW	557	Cueva Quebrada	Mexico	Quintana Roo	Tulum	7.18	11555.3	30.8	9.4	QRSS Long Caves List	7-2019
-	558	Farmers System - 1	USA	Kentucky	Pulaski	7.179	11553.48	202	61.57	Darrell Adkins e-mail	1-2016
-	559	Grotte du TM 71	France	Occitanie	-	7.151	11508	449.5	137	Liste des cavites naturelles les plus longues de France	6-22
-	560	Behiako Leizea	France	Nouvelle-Aquitaine	Pyrenees	7.146	11500	1955.4	596	Liste des cavites naturelles les plus longues de France	6-22
-	561	Höhle beim Spannagelhaus	Austria	Zillertaler Alpen	Tirol	7.146	11500	1079.4	329	https://hoehle.org/laengste-tiefste	1-2022
-	562	Marble Arch - Upper Cradle - Lower Cradle - Prod's Pot - Cascades Rising	United Kingdom	-	Co.Fermanagh	7.146	11500	196.9	60	www.ukcaves.co.uk/all-longest	5-2021
-	563	Complejo de los Covachos de Peñajorao	Spain	Cantabria	Camargo	7.146	11500	0	0	Pepe Membrado e-mail	7-2022
-	564	Blackfathom River Cave System	USA	Missouri	Ste.Genevieve	7.11	11442	213	64.92	Chad McCain e-mail	3-2018
L	565	Aven des Baoudillouns	France	Alpes-Côte d'Azur	-	7.094	11416	1558.4	475	Liste des cavites naturelles les plus longues de France	6-22
-	566	McFail's Cave	USA	New York	Schoharie	7.091	11411.86	295	89.92	Simeon Warner e-mail	8-2016
-	567	Cyclops Cave	USA	Virginia	Russell	7.08	11394.16	424	129.24	J.Christie e-mail	6-2016
UW	568	Sistema MOAC	Mexico	Quintana Roo	Tulum	7.065	11369.3	45.9	14	QRSS Long Caves List	7-2019
-	569	Hölloch	Germany	Bavaria	-	7.05	11346	1482.9	452	Andreas Wolf List of Longest Caves in Germany
-	570	Zarathustra Cave (Saltpeter)	USA	Tennessee	Fentress	7.03	11313.69	60	18.29	Bill Dean	7-1986
-	571	Tham Ban Chom Ong	Laos	-	Oudoaxay	7.021	11300	0	0
UW	572	Manantial del Toro	Dominican Republic	La Altagracia	Boca de Yuma	7.003	11270	62.3	19	Olivier Testa e-mail	3-2020
-	573	Bohemia Cave	New Zealand	South Island	Mt Owen	6.978	11230	2339.2	713	Lindsay Main NZ Speleological Soc. Info Officer	1-2016
-	574	Tham Luang Nang Non	Thailand	Chiang Rai	Mae Sai	6.964	11207	0	0	Atlas of the Great Caves and Karst of Southeast Asia P259	9-2022
-	575	Système Pinet - Brouillard	France	Alpes-Côte d'Azur	-	6.944	11175	1663.4	507	Liste des cavites naturelles les plus longues de France	6-22
-	576	Gouffre de Pourpevelle	France	Bourgogne-Franche-Com	-	6.94	11169	347.8	106	Liste des cavites naturelles les plus longues de France	6-22
UW	577	Sistema Cupul Ha (Underwater+Dry)	Mexico	Quintana Roo	Tulum	6.93	11152.4	45.9	14	QRSS Long Caves List	7-2019
-	578	A2, Loubenegg	Switzerland	Beatenberg	BE	6.927	11148	2253.9	687	List of Swiss Long k& Deep Caves	3-2022
UW	579	Sistema Chac Mol (Underwater+Dry)	Mexico	Quintana Roo	Tulum	6.902	11108	92.8	28.3	QRSS Long Caves List	7-2019
-	580	Aven de Rogues	France	Occitanie	-	6.892	11091	830.1	253	Liste des cavites naturelles les plus longues de France	6-22
-	581	Grotte des Eaux Chaudes	France	Pyrenees-Atlantiques	Pic de Ger	6.835	11000	2657	810	Jean-Yves Bigot	1-2016
-	582	Rèseau de la Tète des Verds	France	Auvergne-Rhone-Alpes	-	6.835	11000	2519.7	768	Liste des cavites naturelles les plus longues de France	6-22
-	583	Scialet Candy	France	Auvergne-Rhone-Alpes	-	6.835	11000	1830.7	558	Liste des cavites naturelles les plus longues de France	6-22
	584	Mira de Aire	Portugal			6.835	11000	0	0	http://liveportugal.pt/en/mira-de-aire-caves/	1-1999
-	585	Khabjui	Georgia	-	-	6.835	11000	0	0
-	586	Tskhogorskaja 1-2-Troja, NRP	Georgia	-	-	6.835	11000	0	0		1-2016
-	587	Chinn Springs Cave	USA	Arkansas	Indpendence	6.83	10991.82	252	76.81	Jeff Bartlett e-mail	3-2016
-	588	Sistema San Andres	Mexico	Puebla	Ocotempa	6.828	10988	1555.1	474	http://www.mexicancaves.org/geninfo/longanddeep.html	12-2019
-	589	Fallenfluh-Höhlenstem (Lauiloch, Dreckiges Paradies)	Switzerland	Muotatal	SC	6.826	10985	1522.3	464	List of Swiss Long k& Deep Caves	3-2022
-	590	Sistema del Circo de Armena	Spain	Huesca	Pirineos	6.81	10960	2034.1	620	Jose Luis Membrado e-mail	5-2021
-	591	Sistema del Alba	Spain	Huesca	Pirineos	6.81	10960	1752	534	Pepe Membrado e-mail	7-2022
-	592	Da Dong	China	Hubei	Wufeng	6.793	10932	1030.2	314	www.hongmeigui.net/deepandlong.php	4-2017
UW	593	Weeki Wachee Spring	USA	Florida	Hernando	6.792	10930	407	124.05	Andrew Pitkin e-mail	10-2019
-	594	Südwandhöhle	Austria	Dachstein	Stmk/OÖ	6.775	10904	1669.9	509	https://hoehle.org/laengste-tiefste	1-2022
-	595	Sistema Quijada de Jaguar (Jaguar Jaw)	Mexico	Quintana Roo	Tulum	6.773	10900	0	0	QRSS Long Caves List	5-2021
UW	596	Gouffre du Petit Saint Cassien	France	Alpes-Côte d'Azur	-	6.751	10865	1322.2	403	Liste des cavites naturelles les plus longues de France	6-2022
	597	Trou Souffleur	France	Alpes-Côte d'Azur	-	6.744	10853	3021.7	921	Liste des cavites naturelles les plus longues de France	6-22
-	598	Breathing Cave	USA	Virginia	Bath	6.74	10847	406.8	124	Gangsta Mappers	1-2018
-	599	Cueva de la Mano	Mexico	Oaxaca	-	6.736	10841	0	0	http://www.mexicancaves.org/geninfo/longanddeep.html	3-2019
	600	Grotta Beppe Bessone	Italy	Piemonte	Monte Zucco	6.735	10839	403	123	https://catastogrotte-piemonte.net/caves-view-2383.html	12-2022
UW	601	M2 Blue	USA	Florida		6.724	10822	164	50	Andy Pitkin FB	1-2022
-	602	Ambatoanjahana	Madagascar	Ambilobe	Ankarana	6.717	10810	0	0	Atlas of the Great Caves and Karst of Africa Part 1	6-2017
-	603	Poloska jama	Slovenia	Zaledje Tolminke	-	6.711	10800	2309.7	704	List of Slovenia's Longest & Deepest	5-2016
L	604	Hue Hue (Manini Owali) Cave	USA	Hawaii	Hawaii	6.711	10800.3	1623	494.7	Stephan Kempe	10-1999
CT	605	Mullamullang Cave (Chalk)	Australia	Western Australia	Nullarbur Plain	6.711	10800	439.6	134	Atlas Great Caves of the World	6-2017
G	606	Trou du Vent	France	Nouvelle-Aquitaine	-	6.711	10800	341.2	104	Liste des cavites naturelles les plus longues de France	6-22
-	607	Pestera Polovragi	Romania	Muntii Capatanii	-	6.706	10793	0	0	Romania-Natural	8-2022
-	608	Offenbarungs-Eishöhle	Austria	Tennengebirge	Salzburg	6.701	10785	1482.9	452	https://hoehle.org/laengste-tiefste	1-2022
-	609	Simmons Mingo - My Cave System	USA	West Virginia	Rand./Pocahon.	6.7	10782.6	683	208.18	Bob Thrun	6-1982
-	610	Devils Icebox	USA	Missouri	Boone	6.685	10758.5	0	0	M.S.S. Map	12-2020
-	611	Rede de Cerveriz	Spain	Asturias	Somiedo	6.68	10750	1102.4	336	Jose Luis Membrado e-mail	5-2021
-	612	Sherfield's Cave	USA	Arkansas	Newton	6.66	10718.23	58	17.68	Doug Robertson	6-1992
-	613	Warwas-Glatzen-Höhlensystem	Austria	Kräuterin	Steiermark	6.65	10702	2509.8	765	https://hoehle.org/laengste-tiefste	1-2022
-	614	Sistema Hitu - Cueva Culiembru	Spain	Asturias	Picos de Europa	6.649	10700	4147	1264	Depth from Phil Rowsell's calculations from the survey data.	1-2016
-	615	Grotte de Han-sur-Lesse	Belgium	Namur	-	6.644	10693	360.9	110	pha@ceram.ciger.be	6-2017
-	616	Complejo Hundidero - Gato	Spain	Malaga	Sierra de Libar	6.63	10670	695.5	212	Jose Luis Membrado e-mail	5-2021
-	617	Karrenschacht	Austria	Totes Gebirge	Steiermark	6.611	10640	1332	406	https://hoehle.org/laengste-tiefste	1-2022
-	618	Vorontsovskaja, WC	Russia	-	-	6.611	10640	0	0	Caves and Caving I59P34S	6-2017
-	619	Paul Penley Cave	USA	Virginia	Bland	6.6	10621.67	346	105.46	Virginia Speleological Survey	5-2016
-	620	Tham Yai Nam Nao	Thailand	Phetchabun	Nam Nao	6.585	10597	357.6	109	Atlas of the Great Caves and Karst of Southeast Asia P259	6-2017
-	621	Perry Water Cave	USA	Texas	Real	6.546	10535	97.4	29.7	Texas Speleological Survey via Jerry Atkinson e-mail	1-2022
-	622	Grotte de Milandre	Switzerland	Bencourt	JU	6.537	10520	442.9	135	List of Swiss Long k& Deep Caves	3-2022
-	623	Grotte du Garrel	France	Occitanie	-	6.524	10500	1003.9	306	Liste des cavites naturelles les plus longues de France	6-22
-	624	Doolin Cave	United Kingdom	-	Co. Clare	6.524	10500	196.9	60	www.ukcaves.co.uk/all-longest	5-2021
-	625	Mossdale Caverns	United Kingdom	-	Northern Dales	6.524	10500	196.9	60	www.ukcaves.co.uk/all-longest	5-2021
-	626	Yagodinska Cave	Bulgaria	Yagodina	Rhodope Mountains	6.524	10500	0	0	Wikipedia	8-2022
-	627	Grubstein-Westwandhöhle	Austria	Totes Gebirge	Steiermark	6.515	10485	1299.2	396	https://hoehle.org/laengste-tiefste	1-2022
-	628	Antsatrabonko	Madagascar	Ambilobe	Ankarana	6.509	10475	0	0	Atlas of the Great Caves and Karst of Africa Part 1	6-2017
UW	629	Sistema El Puente	Mexico	Quintana Roo	Tulum	6.508	10473.8	295.9	90.2	QRSS Long Caves List	7-2019
-	630	Lost River Cave System	USA	Kentucky	Warren	6.501	10462.35	0	0	Green River Review - Ref. J.Wells	12-1986
-	631	Tanne de Chavanu	France	Auvergne-Rhône-Alpes	-	6.47	10413	2171.9	662	Liste des cavites naturelles les plus longues de France	6-22
-	632	Lachenstock-Höhlensystem	Switzerland	Innerthal	SZ	6.47	10413	876	267	List of Swiss Long k& Deep Caves	3-2022
G	633	Spipola-Aquafredda .	Italy	-	-	6.462	10400	360.9	110	Alexander Klimchouk Longest Gypsum caves of the world	6-2016
	634	Leang Assuloang	Indonesia	Sulawesi Selatan	Maros	6.462	10400	321.5	98	Atlas of the Great Caves and Karst of Southeast Asia P58	6-2017
-	635	Complejo Urallaga	Spain	Bizkaia	Montes de Triano	6.459	10395	387.1	118	Jose Luis Membrado e-mail	5-2021
-	636	Hick's Cave	USA	New Mexico	Eddy	6.44	10364.18	277	84.43	Ellen Trautner e-mail	7-2022
-	637	Actun Káua	Mexico	Yucatán	-	6.437	10360	0	0	http://www.mexicancaves.org/geninfo/longanddeep.html	3-2019
-	638	Clarks Cave	USA	Virginia	Bath	6.434	10354.52	0	0	Virginia Speleological Survey	8-1994
-	639	Gouffre du Bracas de Thurugne 6 (Reseau de Soudet)	France	Atlantiques	Pierre Saint Martin	6.425	10340	3839	1188	Liste des cavites naturelles les plus longues de France	6-22
-	640	Stang-Rotwandl-System	Austria	Steinernes Meer	Salzburg	6.419	10330	659.4	201	https://hoehle.org/laengste-tiefste	1-2022
-	641	Schneeloch	Austria	Tennengebirge	Salzburg	6.412	10319	3612.2	1101	https://hoehle.org/laengste-tiefste	1-2022
-	642	Sistema la Vieya - Los Quesos	Spain	Asturias	Picos de Europa	6.4	10300	206.7	63	Jose Luis Membrado e-mail	5-2021
-	643	Fallen Rock Cave	USA	Virginia	Tazewell	6.388	10280.49	0	0	Virginia Speleological Survey	6-2016
UW	644	Chip's Hole/Cals System (Pipeline)	USA	Florida	Wakalla	6.37	10251.52	200	60.96	WKPP - Casey McKinlay e-mail	3-2020
-	645	Abime de Bramabiau	France	Occitanie	-	6.363	10240	285.4	87	Liste des cavites naturelles les plus longues de France	6-22
-	646	Sistema del Ojancano - Anjana	Spain	Canabria	Miera	6.354	10225	656.2	200	Jose Luis Membrado e-mail	5-2021
-	647	Grutas de Rancho Nuevo (San Cristobal)	Mexico	Chiapas	-	6.349	10218	0	0	http://www.mexicancaves.org/geninfo/longanddeep.html	3-2019
-	648	Grotte de Trabuc	France	Bourgogne-Franche-Com	-	6.342	10206	131.2	40	Liste des cavites naturelles les plus longues de France	6-22
-	649	Cueva del Arroyo Grande	Mexico	Chiapas	-	6.342	10207	0	0	http://www.mexicancaves.org/geninfo/longanddeep.html	3-2019
S	650	Mearat Malcham	Israel	Mt. Sedom		6.338	10200	442.9	135	Yual Sobolyev FB	7-2019
-	651	Reinvikgrotta	Norway	-	Sorfold	6.338	10200	0	0	David stPierre	1-2016
-	652	Grotte de Baume Layrou	France	Occitanie	-	6.332	10190	692.3	211	Liste des cavites naturelles les plus longues de France	6-22
-	653	Grotte Roche Chalve - Trou du Coeur	France	Occitanie	-	6.313	10160	531.5	162	Liste des cavites naturelles les plus longues de France	6-22
-	654	Grotte du Grand Antoine	France	Auvergne-Rhone-Alpes	-	6.309	10154	1509.2	460	Liste des cavites naturelles les plus longues de France	6-22
-	655	Blissits Cave	USA	Kentucky	Breckenridge	6.307	10150.13	0	0	Ft. Knox Grotto/Lowcrawler Newsletter	11-1985
-	656	Pestera Cornilor	Romania	Muntii Padurea Craiului	-	6.301	10140	0	0	Romania-Natural	8-2022
-	657	Jack Daniel's Höhle	Austria	Tennengebirge	Salzburg	6.298	10135	2454.1	748	https://hoehle.org/laengste-tiefste	1-2022
-	658	Jashchik Pandora, ESB	Russia	-	-	6.276	10100	0	0	Caves and Caving I59P34S	6-2017
UW	659	Sistema Taj Mahal (Underwater+Dry)	Mexico	Quintana Roo	Tulum	6.272	10094	98.1	29.9	QRSS Long Caves List	7-2019
G	660	D.C. Jester Cave System .	USA	Oklahoma	Greer	6.254	10065	35	10.7	Sue Bozeman	3-1988
-	661	Little Brush Creek Cave	USA	Utah	Uintah	6.25	10058.4	858	202	Matt Paulson FB	7-2022
UW	662	Sistema Muul Three	Mexico	Quintana Roo	Tulum	6.247	10052.9	63	19.2	QRSS Long Caves List	7-2019
-	663	Cueva del Agua (Covalagua)	Spain	Cantabia	Val de Ason	6.234	10033	738.2	225	Jose Luis Membrado e-mail	5-2021
-	664	Reseau Paloume	France	Ariege	Balgueres	6.214	10000	2461	795	Liste des cavites naturelles les plus longues de France	6-22
-	665	Rèseau Belle - Cassagnous	France	Occitanie	-	6.214	10000	2001.3	610	Liste des cavites naturelles les plus longues de France	6-22
-	666	Ermittia Bekoa	Spain	Guipuzkoa	Izarraitz	6.214	10000	318.2	97	Jose Luis Membrado e-mail	5-2021
-	667	Cueva de el Tobazo	Spain	Cantabria	Valderredible	6.214	10000	0	0	Pepe Membrado e-mail	7-2022
-	668	Sumidero del Embalsador	Spain	Cuenca	Muela del Rebollar	6.214	10000	0	0	Jose Luis Membrado e-mail	1-2020
-	669	Mgharet Jeita	Lebanon	-	-	6.214	10000	0	0	ISSUU