List of longest cave by country explained

This list of longest caves by country includes the longest-known natural cave per country. To be listed, the caves must have been surveyed to cave surveying standards, and the results published in reliable sources.

List

Continent	Country	System	Length	coordinates	Discovery	Associated parks, protected areas
Africa	Algeria	(river)	18.4abbr=onNaNabbr=on^[1]	34.7°N -1.3114°W	–	Parc National de Tlemcen
Africa	Angola	Gruta do Tchivinguiro	1.23abbr=onNaNabbr=on^[2]	-15.1639°N 13.2972°W	–	none
Africa	Burundi	Grotte de Mugobo	0.09abbr=onNaNabbr=on^[3]	-3.4375°N 30.6042°W	–	none
Africa	Cameroon	Gaskin cave	0.45abbr=onNaNabbr=on^[4]	4.2109°N 9.178°W (approx.)	–	Mt Cameroon National Park
Africa	Chad	Bourdout Oumou	0.115abbr=onNaNabbr=on^[5]	17.1833°N 56°W	–	-
Africa	Comoros	Panga Nyamaoui	0.81abbr=onNaNabbr=on^[6]	-11.4092°N 43.2846°W	–	none
Africa	Congo		1.5abbr=onNaNabbr=on^[7]	-4.1203°N 13.8528°W	–	-
Africa	Democratic Republic of the Congo	Ngovo cave	5.86abbr=onNaNabbr=on^[8]	-5.3019°N 14.9373°W	–	none
Africa	Eswatini (former Swaziland)	Gobholo cave	1.099abbr=onNaNabbr=on^[9]	-26.3572°N 31.1693°W	2012	none
Africa	Egypt	Sannur Cave	0.275abbr=onNaNabbr=on^[10] ^[11]		–	none
Africa	Equatorial Guinea		0.036abbr=onNaNabbr=on	2.15°N 11.3167°W	1967	none
Africa	Ethiopia		15.1abbr=onNaNabbr=on	6.9063°N 40.8449°W	1972	none
Africa	Gabon	Mbenaltembe Cave	2.4abbr=onNaNabbr=on^[12]	-2.3422°N 11.5889°W	2008	none
Africa	Kenya	Leviathan Cave	9.152abbr=onNaNabbr=on^[13] ^[14]	-2.6802°N 37.8802°W	1975	Chyulu Hills
Africa	Libya	Umm al Masabih(أم المصابيح)	3.593abbr=onNaNabbr=on^[15]		–	none
Africa	Madagascar	Marosakabe cave system	113abbr=onNaNabbr=on^[16]		2006	Tsingy de Namoroka Nature Reserve
Africa	Morocco		19.128abbr=onNaNabbr=on		–	none
Africa	Mozambique	Khodzu (Codzo) Cave	0.942abbr=onNaNabbr=on^[17]		–	none
Africa	Namibia	Arnhem Cave	4.5abbr=onNaNabbr=on^[18]		–	none
Africa	Nigeria	Ogbunike Cave	0.35abbr=onNaNabbr=on^[19] ^[20]	6.1864°N 6.9058°W	style="text-align:center;"	-	none
Africa	Rwanda	Ubuvumo Bwibihonga	4.53abbr=onNaNabbr=on^[21]	-1.6481°N 29.3785°W	style="text-align:center;"	-	none
Africa	South Africa	Apocalypse Pothole	12.302abbr=onNaNabbr=on	(approx.)	–	none
Africa	Tanzania		7.51abbr=onNaNabbr=on^[22]		–	none
Africa	Tunisia		4.1abbr=onNaNabbr=on^[23]		–	none
Africa	Uganda	Garama cave	0.342abbr=onNaNabbr=on^[24]		–	Mgahinga National Park
Africa	Zimbabwe	Batze Cave	1.037abbr=onNaNabbr=on^[25]	-17.1672°N 29.1836°W	–	none
Asia	Afghanistan	Ab Bar Amada cave	1.22abbr=onNaNabbr=on^[26]			none
Asia	Armenia	Arjeri qarandzav (Bears cave)	3.5abbr=onNaNabbr=on^[27]	39.7099°N 45.244°W	style="text-align:center;"	-	none
Asia	Cambodia	Roung Dei Ho–Thom Ken	2.036abbr=onNaNabbr=on^[28]		–	none
Asia	China		400.759abbr=onNaNabbr=on^[29]		1988	Suiyang Shuanghedong National Geopark
Asia	India	Krem Liat Prah	31.07abbr=onNaNabbr=on^[30]			none
Asia	Indonesia	Luweng Jaran system	18.2abbr=onNaNabbr=on^[31]	-8.2176°N 111.0063°W		none
Asia	Irak	Kuna Kamtiar	5.06abbr=onNaNabbr=on^[32] ^[33]	35.3585°N 45.0241°W		none
Asia	Iran	Katale Khor	12.86abbr=onNaNabbr=on^[34]	35.8356°N 48.1617°W		none
Asia	Israel	Malcham cave	10abbr=onNaNabbr=on^[35] ^[36]	31.1219°N 35.3833°W		none
Asia	Japan	Akkadō (安家洞)	23.7abbr=onNaNabbr=on^[37] ^[38]	39.9836°N 141.7361°W		none
Asia	Jordan	Al-Fahda cave	0.924abbr=onNaNabbr=on^[39]			none
Asia	Kazakhstan	Uluchar cave	1.5abbr=onNaNabbr=on^[40] ^[41]	(approx.)		none
Asia	Laos	Nam Dôn cave system	42abbr=onNaNabbr=on^[42]			none
Asia	Lebanon	Jeita Grotto	10.05abbr=onNaNabbr=on^[43]			none
Asia	Malaysia	Clearwater Cave System (malay:Gua Air Jernih)	255.9abbr=onNaNabbr=on^[44] ^[45]		1978	Gunung Mulu National Park
Asia	Mongolia	Taliin Cave	0.24abbr=onNaNabbr=on^[46]			none
Asia	Myanmar	Som Hein cave	11abbr=onNaNabbr=on^[47]		–	none
Asia	Nepal	Gupteshwor Mahadev Cave (Patale Chango) (गुप्तेश्वर महादेव गुफा)	2.057abbr=onNaNabbr=on^[48]			none
Asia	Oman	Al Hoota Cave	4.5abbr=onNaNabbr=on^[49]			none
Asia	Pakistan	Pir Ghaib Gharr Gharra	1.275abbr=onNaNabbr=on^[50]	(approx.)		none
Asia	Philippines	St.Pauls Underground River Cave	24abbr=onNaNabbr=on^[51]			Puerto Princesa Subterranean River National Park
Asia	Saudi Arabia	Umm Jirsan System	1.481abbr=onNaNabbr=on^[52]		2007	-
Asia	South Korea		11.749abbr=onNaNabbr=on^[53] ^[54]			none
Asia	Tajikistan	Rangkulskaya cave	2.05abbr=onNaNabbr=on^[55]			none
Asia	Thailand	Tham Phra Wang Daeng	13.7abbr=onNaNabbr=on^[56]	16.6785°N 100.6874°W		none
Asia	Turkey	Pınargözü Cave	16abbr=onNaNabbr=on ^[57] or 10.5abbr=onNaNabbr=on^[58]	37.6967°N 31.3075°W		none
Asia	Turkmenistan	(Кап-Кутан)	57abbr=onNaNabbr=on			none
Asia	Uzbekistan	Dark Star (cave)	17.4abbr=onNaNabbr=on^[59]			1984
Asia	Vietnam	Hang Khe Ry cave system	18.9abbr=onNaNabbr=on^[60]			none
Asia	Yemen (Socotra)	Giniba cave	13.526abbr=onNaNabbr=on^[61] ^[62] ^[63]			none
Caribbean	Bahamas	Lucayan Caverns (Ben's Cave)	10.363abbr=onNaNabbr=on^[64]			Lucayan National Park
Caribbean	Belize	Chiquibul Cave System	15abbr=onNaNabbr=on^[65] ^[66] (approx.)			Chiquibul National Park
Caribbean	Cuba	Gran Caverna de Palmarito	54abbr=onNaNabbr=on		none
Caribbean	Haiti		5.3abbr=onNaNabbr=on^[67]			none
Caribbean	Jamaica	Gourie Cave	3.505abbr=onNaNabbr=on^[68]			none
Caribbean	Puerto-Rico	Sistema del Rio Encantado	21.77abbr=onNaNabbr=on^[69]			none
Caribbean	Dominican Republic	Boca del Infierno (cueva Fun-Fun)	9.3abbr=onNaNabbr=on^[70]			none
Europe	Albania	Shpella Zeze cave	5.905abbr=onNaNabbr=on^[71]	42.3663°N 19.9275°W	style="text-align:center;"	-	none
Europe	Austria	Schönberg-Höhlensystem	155.6abbr=onNaNabbr=on^[72] ^[73]		1976	none
Europe	Belgium	Caves of Han-sur-Lesse	10.693abbr=onNaNabbr=on^[74]	50.1206°N 5.1922°W	style="text-align:center;"	-	none
Europe	Bosnia and Herzegovina		9.682abbr=onNaNabbr=on^[75]	43.7752°N 18.8898°W	style="text-align:center;"	-	none
Europe	Bulgaria	Duhlata (Духлата)	18.2abbr=onNaNabbr=on^[76]	42.4966°N 23.1962°W	–	none
Europe	Croatia		59.03abbr=onNaNabbr=on^[77] ^[78]		style="text-align:center;"	-	none
Europe	Czech Republic	Amatérská Cave	39.146abbr=onNaNabbr=on		style="text-align:center;"	-	none
Europe	Denmark (Greenland)	Cove cave	0.103abbr=onNaNabbr=on^[79]		style="text-align:center;"	-	none
Europe	Finland	Lohikäärmeen Luola caves	0.3abbr=onNaNabbr=on^[80]		style="text-align:center;"	-	none
Europe	France	Réseau Félix Trombe	117.2abbr=onNaNabbr=on^[81]		1908	none
Europe	Georgia	(თოვლიანი უფსკრული)	24080abbr=onNaNabbr=on^[82]		style="text-align:center;"	-	none
Europe	Germany	Riesending cave	23.8abbr=onNaNabbr=on^[83] ^[84]		style="text-align:center;"	-	none
Europe	Greece		15.4abbr=onNaNabbr=on^[85]		style="text-align:center;"	-	none
Europe	Hungary		31abbr=onNaNabbr=on^[86]		style="text-align:center;"	-	none
Europe	Iceland	Laufbalavatn	5.013abbr=onNaNabbr=on^[87]	63.9113°N -19.3784°W	style="text-align:center;"	-	none
Europe	Ireland	Pollnagollum	16abbr=onNaNabbr=on^[88]	53.0772°N -9.2514°W	style="text-align:center;"	-	none
Europe	Italy	Complesso del Monte Canin	83.8abbr=onNaNabbr=on^[89] ^[90]		style="text-align:center;"	-	none
Europe	Kosovo		8.036abbr=onNaNabbr=on^[91] ^[92]	(approx)	–	none
Europe	Latvia		0.351abbr=onNaNabbr=on^[93]		style="text-align:center;"	-	none
Europe	Lithuania		0.046abbr=onNaNabbr=on^[94]		style="text-align:center;"	-	none
Europe	North Macedonia		3.932abbr=onNaNabbr=on^[95]		–	none
Europe	Moldavia	(Zolușka)	92.08abbr=onNaNabbr=on		–	none
Europe	Montenegro	(Ђаловића пећина)	10.55abbr=onNaNabbr=on^[96]	43.0726°N 19.9206°W	style="text-align:center;"	-	none
Europe	Norway	Tjoarvekrajgge	25.167abbr=onNaNabbr=on^[97]		–	none
Europe	Poland	Jaskinia Wielka Śnieżna	23.723abbr=onNaNabbr=on^[98]	49.24°N 19.9231°W	–	none
Europe	Portugal		14abbr=onNaNabbr=on	39.5047°N -8.6161°W	–	none
Europe	Romania	Peștera Vântului	47abbr=onNaNabbr=on^[99]	46.9392°N 22.5436°W	style="text-align:center;"	-	none
Europe	Russia	(Ботовская пещера)	70.414abbr=onNaNabbr=on^[100]	55.3086°N 105.3434°W	style="text-align:center;"	-	none
Europe	Serbia	Lazareva Pećina	9.818abbr=onNaNabbr=on^[101]	44.0293°N 21.9627°W	–	none
Europe	Slovakia		35.116abbr=onNaNabbr=on^[102]		–	none
Europe	Slovenia	Migovec System	43.009abbr=onNaNabbr=on^[103]	46.2519°N 13.7639°W	–	Triglav National Park
Europe	Spain	Sistema del Alto Tejuelo	206.714abbr=onNaNabbr=on^[104]		1965	none
Europe	Sweden	Coral Cave	5abbr=onNaNabbr=on^[105]			none
Europe	Switzerland	Hölloch	210.752abbr=onNaNabbr=on^[106] ^[107]		1875	none
Europe	Ukraine	Optymistychna (Оптимістична)	264.576abbr=onNaNabbr=on		style="text-align:center;"	-	none
Europe	United Kingdom	Three Counties System	86.619abbr=onNaNabbr=on^[108]	54.207°N -2.5065°W	1966	none
North America	Canada	Castleguard cave	21.311abbr=onNaNabbr=on^[109] ^[110]		–	none
North America	Costa Rica	Sistema kárstico del Cerro Corredor	3.872abbr=onNaNabbr=on^[111] ^[112]		–	none
North America	Honduras	Cueva de la Quebrada Susmay	6.69abbr=onNaNabbr=on^[113]		–	none
North America	Mexico	Sistema Ox Bel Ha	435.8abbr=onNaNabbr=on^[114] ^[115]		1996	none
North America	Panama	Ol' Bank Underworld Cave	1.146abbr=onNaNabbr=on^[116]		–	Isla Bastimentos National Marine Park
North America	United States	Mammoth Cave	685.6abbr=onNaNabbr=on^[117] ^[118]		1791	Mammoth Cave National Park
Oceania	Australia	Bullita Cave	120.4abbr=onNaNabbr=on		1990	Gregory National Park
Oceania	New Zealand	Bulmer Caverns	74.319abbr=onNaNabbr=on^[119]	-41.5583°N 172.5188°W	1984	none
Oceania	Papua New Guinea	Mamo Kananda	54.8abbr=onNaNabbr=on^[120]		–	none
Oceania	Samoa	La'auoleola	5abbr=onNaNabbr=on^[121]			none
Oceania	Vanuatu	Kafae Aven	3.702abbr=onNaNabbr=on^[122]		–	none
South America	Argentina		3.432abbr=onNaNabbr=on^[123]			none
South America	Bolivia		4.6abbr=onNaNabbr=on^[124]			none
South America	Brazil	Toca da Boa Vista	114abbr=onNaNabbr=on^[125]		1987	none
South America	Chile	Roiho system	6.35abbr=onNaNabbr=on^[126]			none
South America	Colombia	Cueva del Hipocampo	2.021abbr=onNaNabbr=on^[127]			none
South America	Ecuador	Systema Sylvana	4.1abbr=onNaNabbr=on^[128]			Galápagos National Park
South America	Peru	Tragadero de Parjugsha Grande	4.07abbr=onNaNabbr=on^[129]			none
South America	Uruguay	Grutas of Salamanque	0.3abbr=onNaNabbr=on^[130] ^[131]			none
South America	Venezuela		18.148abbr=onNaNabbr=on^[132]		–	none

See also

• List of caves
• List of longest caves
• Speleology

Notes and References

1. Web site: Worlds Longest Caves. 4 June 2015. caverbob.com.
2. Matos . Rui . Fernandes . Robakiewicz . Barros . A paisagem cársica do Sudoeste de Angola . Revista Angolana de Geociências . 2021 . 2 . 127–143 . 31 January 2023.
3. fr. Peyrot . Bernard . Phénomènes karstiques et pseudo-karstiques dans des quartzites au Burundi . Karstologia. 29. 1997 . 7–16 . 25 February 2023.
4. Book: Lips . Bernard . Lips . Josiane . Trois années au Cameroun . 1996 . 8 . 25 January 2023.
5. Book: Courbon . Paul . Expédition 1994 Tibesti terre inderdite . 1995 . 58.
6. Web site: Middleton . Gregory J.. Lava caves of grande Comore, Indian ocean: further investigations, July 1998. 1998 . 92-107. 17 March 2023.
7. Book: Expédition spéléologique Congo 84 . 1985 . Spéléoc.
8. Web site: Bob Gulden. World Longest CAVES by Country. September 20, 2022.
9. Web site: .1 km long, number 8 of the world's longest (granite) caves! . Gobholo cave . 19 January 2014 . 1 February 2023.
10. Web site: Emad S. Sallam1 . Dmitry A. Ruban . Moataz T. Mostafa . Menna Kh. Elkhodery . Rufida L. Alwilily . Tatyana K. Molchanova . Svetlana O. Zorina . Unique desert caves as a valuable geological resource: first detailed geological heritage assessment of the Sannur Cave, Egypt . 2020 . 24 February 2023.
11. Web site: Greg Middleton. Sannur Cave – The problems of opening a remarkable cave in Egypt's Eastern desert. 24 February 2023.
12. Book: Trevor . Frost . Testa . Olivier . Michael . Laumanns . Speleological projects 2007, 2008 and 2013 to Gabon (Central Africa) . 2014 . Berliner Höhlenkundliche Berichte .
13. Crawford. R.L.. 1983. The World's Longest Lava Tube Caves. National Speleological Society: Geo2 - Newsletter of the Section of Cave Geology and Geography. 10 (2) (Win 1982).
14. Web site: Greg Middleton. Kenya-1998-8th International Symposium on Vulcanospeleology. 2 February 2023.
15. Web site: List of longest gypsum cave . CaverBob . 30 January 2023.
16. Web site: fr. Expédition Malagasy 2018. 2018-08-31.
17. Book: Laumanns . Michael . Mozambique 1998, 1999 and 2015. Expeditions to the Cheringoma Plateau, the Rio Buzi, and to Buchane . 2017 . Berliner Höhlenkundliche Berichte . Berlin . 125 . vol 71 . 30 January 2023.
18. Martini . Irish . Marais . Les grottes du Sud-Ouest Africain Namibie . Spelunca . 1990 . 38 . 24–29.
19. Web site: showcaves . Ogbunike Cave. 25 February 2023.
20. Web site: Jean-Paul Vicat . Luc Willems . Les karsts siliceux d'Afrique . 1998 .
21. Michael Laumanns . Rwanda 2007, and the longest cave ..... Vulcano 50. 2007 . 25 February 2023.
22. Book: Laumanns . Michael . Tanzania 1994 — 2000, Report on the speleological projects in the Matumbi Hills . 2001 . Berliner Höhlenkundliche Berichte . 67.
23. https://archive.wikiwix.com/cache/index2.php?url=http%3A%2F%2Fwww.speleo-tunisie.com%2Fexpedition-speleologie%2F193-decouverte-record-de-la-plus-longue-et-la-plus-profonde-grotte-de-tunisie.html#federation=archive.wikiwix.com&tab=url
24. Web site: Garama cave . 10 February 2015 . 18 February 2023.
25. Web site: Grottocenter. Batze Cave.
26. Web site: Ab Bar Amada cave . 2018 . Herbert Daniel Gebauer (Grottocenter). 2023-02-24.
27. Web site: es . Encuentran herramientas de 30.000 años en cueva armenia. 2020. 2023-03-03.
28. Book: Laumanns . Michael . Hamilton . Habbe . International Speleological Projects to Cambodia 2017 and 2018 . 2018 . Berliner Höhlenkundliche Berichte . vol 76 . 30 January 2023.
29. Web site: Shuanghedongqun - 双河洞 . 2023-04-21. .
30. Web site: Longest Deepest May 2020 . 2020 . The Caving in the Abode of the Clouds Project . .
31. Web site: Longest caves in Southeast Asia . Caves of Malaysia . 23 January 2023.
32. Web site: Alexander Klimchouk . Hypogene caves in Iraq (Kurdistan) 2007 . 2007 . speleogenesis.com . 6 March 2023.
33. it . Michael Laumanns . I risultati del Progetto di ricerca curdo – Tedesco nel Kurdistan iracheno (2007). speleogenesis. 58. 78 . 2008 . speleogenesis.com . 6 March 2023.
34. Book: Laumanns . Michael . Iran 2000–2003. The Show Caves of Ghar Alisadr and Ghar Katalehkhor . 2017 . Speläoclub Berlin - BHB . 101 . 8 February 2023.
35. News: 'World's longest salt cave' discovered in Israel . BBC . 28 March 2019 . 8 February 2023.
36. Web site: .World's longest salt cave discovered in Israel. www.diplomacy.co.il . 28 March 2019 . 8 February 2023.
37. News: Longest limestone cave much longer . 25 January 2023 . The Japan Times . 2006.
38. Web site: Akka-do - Akka Cave - Akkado Cave .
39. Al-Malabeh . Ahmad . Al-Fahda Cave (Jordan): The Longest Lava Cave Yet Reported from the Arabian Plate . AMCS Bulletin . 2006 . 19 . 201–208 . 2 February 2023.
40. Web site: Ukuchur cave. silk road adventures. 2 February 2023.
41. Web site: Caves of Kazakhstan. Asia adventures. 2 February 2023.
42. Web site: The Nam Dôn cave system. Charles Ghommidh (SCM). 2019 . 2 February 2023.
43. Web site: The caves of Lebanon. Spéléo Club du Liban. 2023 . 15 February 2023.
44. Eavis. Rob. April–May 2016. What a Rollercoaster. Descent. 249. 24–29.
45. Web site: The Clearwater Cave System. mulucaves.org. 2020-02-19.
46. Web site: Taliin Caver. 2011. The Cave Research Association . 2023-02-21.
47. Web site: Myanmar Cave Documentation Project. Longest caves of Myanmar . 2020 . 30 January 2023.
48. Gebauer . Herbert Daniel . Preliminary report of the first German speleological expedition to the Himalaya . International Journal of Speleology . 1986 . 15 . 53–56 . 10.5038/1827-806X.15.1.4 . 21 February 2023. free .
49. Web site: Al Hoota: Inside Oman's Stunning Two Million Year-Old Cave. 2022 . culture trip . 2023-02-18.
50. Web site: Introduction of: Pakistan Cave Research and Caving Federation . 2023-02-24.
51. Web site: Antonio De Vivo . Leonardo Piccini . Marco Mecchia . Recent explorations in the Saint Paul Karst (Palawan, Philippines) . 2009 . 2023-02-13.
52. Pint . John . Umm Jirsan: Arabia's Longest Lava Tube System . Proceedings, 15th International Congress of Speleology . 2009 . 714–717 . 2 February 2023.
53. Kashima . Naruhiko . Ogawa . Takanori . Hong . Shi Hwan . Mineralogy of Bilemot-Kul cave . Sixth International Symposium on Vulcanospeleology. 170 . 23 January 2023.
54. Web site: Billemotdonggul Lava Tube . Visit Jeju . 23 January 2023.
55. Book: fr. Jean Philippe Grandcolas. Pamir 2010. 36. 11 March 2023.
56. Web site: Longest caves in Thailand . Caves and Caving in Thailand . 23 January 2023.
57. Web site: Mağaralar . Isparta provincial culture and tourism directorate. 23 January 2023.
58. Web site: Pınargözü Mağarası'nda Harıtalandirma Çalişmasi Yapiliyor. Eğirdir Haber Akın Gazetesi. 2015-08-24. 2017-07-12. bot: unknown. https://web.archive.org/web/20161001145837/http://egirdirakingazetesi.com.tr/haber/5801-bolgemizden-pinargozu-magarasinda-haritalandirma-calismasi-yap.html. 2016-10-01.
59. Web site: The biggest caves of Uzbekistan. Asia adventures. 20 February 2023.
60. Web site: World Heritage Database. World Heritage Database . 23 January 2023.
61. Web site: Socotra is famous for a great number of caves. 7 March 2023.
62. Web site: The Socotra Karst Project. The longest cave of Arabia!!!. 2008. 7 March 2023.
63. Web site: Tayf - the Soqotra. Giniba Cave Longest in Middle East. 2009. 4. 7 March 2023.
64. Web site: Exploration . People of the Water . 31 January 2023.
65. Several lengths of the network, between 40,50 or 65km are reported by different secondary sources. However, the reference cited there clearly states that the network is split between at least 4 unconnected caves, and the total length of the network cannot be the addition of 4 individual caves.
66. Book: Mirman . Moore . Chiquibul Cave System Chiquibul Cave System Management Plan Management Plan 2010–2015 2010–2015 . 2009 .
67. Book: Testa . Olivier . Caves and Canyons of Haiti – Sud Department . 2019 . Ministère du Tourisme . Port-au-Prince . 978-99970-53-33-6 . 49 .
68. Book: Stewart . Ronald Stefan . Kouwenberg . Silvia . Pauel . Jan . The Caves of Portland Ridge, Jamaica . 2020 . Jamaican Caves Organisation . Ewarton & Kingston, Jamaica . 67 . 30 January 2023.
69. Web site: Rio Encantado. 2006-07-15 . Murcielago Blanco. 2023-02-12.
70. Book: Gilbert . Alain . Expedition Guacaras Tainas 2006 . Fédération Française de Spéléologie . France . 46.
71. Web site: it . Shpella Zeze, è uno storia di ventiquattro anni…. 2023-03-02.
72. Web site: de. Die längsten Höhlen des Dachsteins und des Toten Gebirges . 2023-01-25 . Verein für Höhlenkunde. 2023-02-05.
73. Web site: de. Die tiefsten Höhlen Österreichs . 12 September 2019 . Theo Pfarr . Robert Seebacher . Lukas Plan . 2020-02-08.
74. Web site: fr . Grotte de Han.
75. Web site: bs. Pećina Govještica (Dugovještica). Centar za krš i speleologiju (CKS). 2018. 23 January 2023.
76. Web site: Caves of Bulgaria . 23 January 2023.
77. Web site: Popis najvećih špilja . speleologija.hr. 23 January 2023.
78. Web site: Jamski sustav Crnopac. 23 January 2023.
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80. Web site: Suomen luolaseura . Caving in Finland . 2009 . 24 February 2023.
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