List of longest cave by country

Short description: none

This is a dynamic list and may never be able to satisfy particular standards for completeness. You can help by expanding it with reliably sourced entries.

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.

## Contents

* 1 List
* 2 See also
* 3 References
* 4 Notes

## List

Continent  | Country  | System  | Length  | coordinates  | Discovery  | Associated parks,
protected areas

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|
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|

Africa  | Algeria  | Ghar Boumâaza [fr; fr; Ghar_Boumâaza] (Tafna (fr) river) (غار بومعزة) | 18.400 km (11.4 mi)[1] |  [ ⚑ ] 34°42′00″N 1°18′41″W﻿ / ﻿34.7°N 1.31139°W﻿ / 34.7; -1.31139﻿ (Ghar Boumâaza) | –  | Parc National de Tlemcen
Africa  | Angola  | Gruta do Tchivinguiro  | 1.230 km (0.8 mi)[2] |  [ ⚑ ] 15°09′50″S 13°17′50″E﻿ / ﻿15.16389°S 13.29722°E﻿ / -15.16389; 13.29722﻿ (Tchivinguiro) | –  | none
Africa  | Burundi  | Grotte de Mugobo  | 0.090 km (0.1 mi)[3] |  [ ⚑ ] 03°26′15″S 30°36′15″E﻿ / ﻿3.4375°S 30.60417°E﻿ / -3.4375; 30.60417﻿ (Grotte de Mugobo) | –  | none
Africa  | Cameroon  | Gaskin cave  | 0.450 km (0.3 mi)[4] |  [ ⚑ ] 4°12′39″N 9°10′41″E﻿ / ﻿4.21092°N 9.178°E﻿ / 4.21092; 9.178﻿ (Gaskin Cave) (approx.)  | –  | Mt Cameroon National Park
Africa  | Chad  | Bourdout Oumou  | 0.115 km (0.1 mi)[5] |  [ ⚑ ] 17°11′N 21°35′E﻿ / ﻿17.183°N 21.583°E﻿ / 17.183; 21.583﻿ (Bourdout Oumou) | –  | \-
Africa  | Comoros  | Panga Nyamaoui  | 0.810 km (0.5 mi)[6] |  [ ⚑ ] 11°24′33.06″S 43°17′04.51″E﻿ / ﻿11.4091833°S 43.2845861°E﻿ / -11.4091833; 43.2845861﻿ (Panga Nyamaoui) {approx.}  | –  | none
Africa  | Congo  | 1.5 km (0.9 mi)[7] |  [ ⚑ ] 4°07′13″S 13°51′10″E﻿ / ﻿4.120278°S 13.852778°E﻿ / -4.120278; 13.852778﻿ (Nkila Ntari) | –  | \-
Africa  | Democratic Republic of the Congo  | Ngovo cave  | 5.860 km (3.6 mi)[8] |  [ ⚑ ] 5°18′07″S 14°56′14″E﻿ / ﻿5.3019°S 14.9373°E﻿ / -5.3019; 14.9373﻿ (Ngovo cave) | –  | none
Africa  | Eswatini (former Swaziland)  | Gobholo cave  | 1.099 km (0.7 mi)[9] |  [ ⚑ ] 26°21′26″S 31°10′10″E﻿ / ﻿26.35721°S 31.16932°E﻿ / -26.35721; 31.16932﻿ (Gobholo cave) | 2012  | none
Africa  | Egypt  | Sannur Cave  | 0.275 km (0.2 mi)[10][11] |  [ ⚑ ] 28°37′23″N 31°17′11″E﻿ / ﻿28.62306°N 31.28639°E﻿ / 28.62306; 31.28639﻿ (Sannur Cave) | –  | none
Africa  | Equatorial Guinea  | 0.036 km (0.0 mi)[1] |  [ ⚑ ] 02°09′00″N 11°19′00″E﻿ / ﻿2.15°N 11.3166667°E﻿ / 2.15; 11.3166667﻿ (Cueva Caracas) | 1967  | none
Africa  | Ethiopia  | Sof Omar Cave (ሶፍ-ዑመር) | 15.1 km (9.4 mi)[1] |  [ ⚑ ] 6°54′22.7″N 40°50′41.6″E﻿ / ﻿6.906306°N 40.844889°E﻿ / 6.906306; 40.844889﻿ (Sof Omar Cave) | 1972  | none
Africa  | Gabon  | Mbenaltembe Cave  | 2.4 km (1.5 mi)[12] |  [ ⚑ ] 2°20′32″S 11°35′20″E﻿ / ﻿2.34222°S 11.58889°E﻿ / -2.34222; 11.58889﻿ (Mbenaltembe cave) | 2008  | none
Africa  | Kenya  | Leviathan Cave  | 9.152 km (5.7 mi)[1][13][14] |  [ ⚑ ] 02°40′48.89″S 37°52′48.86″E﻿ / ﻿2.6802472°S 37.8802389°E﻿ / -2.6802472; 37.8802389﻿ (Leviathan Cave) | 1975  | Chyulu Hills
Africa  | Libya  | Umm al Masabih(أم المصابيح)  | 3.593 km (2.2 mi)[15] |  [ ⚑ ] 32°04′06″N 12°41′40″E﻿ / ﻿32.06833°N 12.69444°E﻿ / 32.06833; 12.69444﻿ (Umm al Masabih) | –  | none
Africa  | Madagascar  | Marosakabe cave system  | 113 km (70.2 mi)[16] |  [ ⚑ ] 16°27′07″S 45°20′08″E﻿ / ﻿16.45189°S 45.33543°E﻿ / -16.45189; 45.33543﻿ (Marosakabe cave) | 2006  | Tsingy de Namoroka Nature Reserve
Africa  | Morocco  | 19.128 km (11.9 mi)[1] |  [ ⚑ ] 30°40′49″N 9°20′41″W﻿ / ﻿30.68028°N 9.34472°W﻿ / 30.68028; -9.34472﻿ (Win Timdouin) | –  | none
Africa  | Mozambique  | Khodzu (Codzo) Cave  | 0.942 km (0.6 mi)[17] |  [ ⚑ ] 18°33′53″S 34°52′00″E﻿ / ﻿18.56472°S 34.86666°E﻿ / -18.56472; 34.86666﻿ (Khodzu Cave) | –  | none
Africa  | Namibia  | Arnhem Cave  | 4.5 km (2.8 mi)[18] |  [ ⚑ ] 22°42′05″S 18°05′47″E﻿ / ﻿22.70138°S 18.09638°E﻿ / -22.70138; 18.09638﻿ (Arnhem cave) | –  | none
Africa  | Nigeria  | Ogbunike Cave  |  [ ⚑ ] 06°11′11″N 06°54′21″E﻿ / ﻿6.18639°N 6.90583°E﻿ / 6.18639; 6.90583﻿ (Ogbunike Cave) | \-  | none
Africa  | Rwanda  | Ubuvumo Bwibihonga  | 4.530 km (2.8 mi)[19] |  [ ⚑ ] 01°38′53.2″S 29°22′42.5″E﻿ / ﻿1.648111°S 29.378472°E﻿ / -1.648111; 29.378472﻿ (Ubuvumo Bwibihonga) | \-  | none
Africa  | South Africa  | Apocalypse Pothole  | 12.302 km (7.6 mi)  |  [ ⚑ ] 26°16′11.04″S 27°17′37.38″E﻿ / ﻿26.2697333°S 27.2937167°E﻿ / -26.2697333; 27.2937167﻿ (Apocalypse Pothole)(approx.)  | –  | none
Africa  | Tanzania  | Nan'goma Cave  | 7.510 km (4.7 mi)[20] |  [ ⚑ ] 8°30′41.2″S 38°53′0.7″E﻿ / ﻿8.511444°S 38.883528°E﻿ / -8.511444; 38.883528﻿ (Nan'goma Cave) | –  | none
Africa  | Tunisia  | Cave Mine  | 4.100 km (2.5 mi)[21] |  [ ⚑ ] 35°56′48.21″N 09°34′45.02″E﻿ / ﻿35.946725°N 9.5791722°E﻿ / 35.946725; 9.5791722﻿ (Cave Mine) | –  | none
Africa  | Uganda  | Garama cave  | 0.342 km (0.2 mi)[22] |  [ ⚑ ] 1°21′24″S 29°37′52″E﻿ / ﻿1.35670°S 29.63112°E﻿ / -1.35670; 29.63112﻿ (Garama cave) | –  | Mgahinga National Park
Africa  | Zimbabwe  | Batze Cave  | 1.037 km (0.6 mi)[8][23] |  [ ⚑ ] 17°10′02″S 29°11′01″E﻿ / ﻿17.1672°S 29.1836°E﻿ / -17.1672; 29.1836﻿ (Batze cave) | –  | none
Asia  | Afghanistan  | Ab Bar Amada cave  | 1.220 km (0.8 mi)[24] |  [ ⚑ ] 35°14′45″N 69°10′48″E﻿ / ﻿35.245800°N 69.180000°E﻿ / 35.245800; 69.180000﻿ (Ab Bar Amada cave) |  | none
Asia  | Armenia  | Arjeri qarandzav (Bears cave)  | 3.500 km (2.2 mi)[25] |  [ ⚑ ] 39°42′36″N 45°14′38″E﻿ / ﻿39.7099028°N 45.243970°E﻿ / 39.7099028; 45.243970﻿ (Arjeri qarandzav) | \-  | none
Asia  | Cambodia  | Roung Dei Ho–Thom Ken  | 2.036 km (1.3 mi)[26] |  [ ⚑ ] 10°37′01″N 104°14′34″E﻿ / ﻿10.61684°N 104.2429°E﻿ / 10.61684; 104.2429﻿ (Roung Dei Ho–Thom Ken) | –  | none
Asia  | China  | Shuanghedong Cave Network (双河洞) | 400.759 km (249.0 mi)[27] |  [ ⚑ ] 28°14′31″N 107°16′34″E﻿ / ﻿28.24199°N 107.27608°E﻿ / 28.24199; 107.27608﻿ (Shuanghe Dongqun) | 1988  | Suiyang Shuanghedong National Geopark
Asia  | India  | Krem Liat Prah  | 31.070 km (19.3 mi)[28] |  [ ⚑ ] 25°22′27″N 92°32′17″E﻿ / ﻿25.37404°N 92.53816°E﻿ / 25.37404; 92.53816﻿ (Krem Liat Prah) |  | none
Asia  | Indonesia  | Luweng Jaran system  | 18.200 km (11.3 mi)[29] |  [ ⚑ ] 8°13′03″S 111°00′23″E﻿ / ﻿8.21758°S 111.00625°E﻿ / -8.21758; 111.00625﻿ (Luweng Jaran) |  | none
Asia  | Irak  | Kuna Kamtiar  | 5.060 km (3.1 mi)[30][31] |  [ ⚑ ] 35°21′30.5″N 45°01′26.7″E﻿ / ﻿35.358472°N 45.024083°E﻿ / 35.358472; 45.024083﻿ (Kuna Kamtiar) |  | none
Asia  | Iran  | Katale Khor | 12.860 km (8.0 mi)[32] |  [ ⚑ ] 35°50′08″N 48°09′42″E﻿ / ﻿35.83556°N 48.16167°E﻿ / 35.83556; 48.16167﻿ (Katale Khor) |  | none
Asia  | Israel  | Malcham cave | 10 km (6.2 mi)[33][34] |  [ ⚑ ] 31°07′19″N 35°23′00″E﻿ / ﻿31.12194°N 35.3833333°E﻿ / 31.12194; 35.3833333﻿ (Malcham Cave) |  | none
Asia  | Japan  | Akkadō (安家洞)  | 23.7 km (14.7 mi)[35][36] |  [ ⚑ ] 39°59′1.1″N 141°44′10.05″E﻿ / ﻿39.983639°N 141.736125°E﻿ / 39.983639; 141.736125﻿ (Akkadō) |  | none
Asia  | Jordan  | Al-Fahda cave  | 0.924 km (0.6 mi)[37] |  [ ⚑ ] 18°25′34″N 7°37′19″E﻿ / ﻿18.426°N 7.622°E﻿ / 18.426; 7.622﻿ (Al-Fahda cave) |  | none
Asia  | Kazakhstan  | Uluchar cave  | 1.500 km (0.9 mi)[38][39] |  [ ⚑ ] 42°03′15.69″N 70°05′49.01″E﻿ / ﻿42.0543583°N 70.0969472°E﻿ / 42.0543583; 70.0969472﻿ (Uluchar cave)(approx.)  |  | none
Asia  | Laos  | Nam Dôn cave system  | 42.0 km (26.1 mi)[40] |  [ ⚑ ] 17°33′45.30″N 104°52′47.36″E﻿ / ﻿17.562583°N 104.8798222°E﻿ / 17.562583; 104.8798222﻿ (Nam Dôn) |  | none
Asia  | Lebanon  | Jeita Grotto | 10.050 km (6.2 mi)[41] |  [ ⚑ ] 33°56′38″N 35°38′39″E﻿ / ﻿33.9439055°N 35.6441077°E﻿ / 33.9439055; 35.6441077﻿ (Feita cave) |  | none
Asia  | Malaysia  | Clearwater Cave System (malay:Gua Air Jernih)  | 255.9 km (159.0 mi)[42][43] |  [ ⚑ ] 4°03′55″N 114°49′54″E﻿ / ﻿4.06529°N 114.83176°E﻿ / 4.06529; 114.83176﻿ (Clearwater Cave) | 1978  | Gunung Mulu National Park
Asia  | Mongolia  | Taliin Cave  | 0.240 km (0.1 mi)[44] |  [ ⚑ ] 45°35′25.00″N 114°30′02.06″E﻿ / ﻿45.59028°N 114.5005722°E﻿ / 45.59028; 114.5005722﻿ (Taliin Cave) |  | none
Asia  | Myanmar  | Som Hein cave  | 11.000 km (6.8 mi)[45] |  [ ⚑ ] 21°01′41.73″N 100°07′10.59″E﻿ / ﻿21.0282583°N 100.1196083°E﻿ / 21.0282583; 100.1196083﻿ (Som Hein cave) | –  | none
Asia  | Nepal  | Gupteshwor Mahadev Cave (Patale Chango) (गुप्तेश्वर महादेव गुफा)  | 2.057 km (1.3 mi)[46] |  [ ⚑ ] 28°11′22″N 83°57′28″E﻿ / ﻿28.189552°N 83.957847°E﻿ / 28.189552; 83.957847﻿ (Gupteshwor Mahadev Cave) |  | none
Asia  | Oman  | Al Hoota Cave | 4.5 km (2.8 mi)[47] |  [ ⚑ ] 23°04′55″N 57°21′17″E﻿ / ﻿23.081944°N 57.354722°E﻿ / 23.081944; 57.354722﻿ (Al Hoota Cave) |  | none
Asia  | Pakistan  | Pir Ghaib Gharr Gharra  | 1.275 km (0.8 mi)[48] |  [ ⚑ ] 29°45′36.0″N 67°17′24.0″E﻿ / ﻿29.76°N 67.29°E﻿ / 29.76; 67.29﻿ (Pir Ghaib Gharr Gharra) (approx.)  |  | none
Asia  | Philippines  | St.Pauls Underground River Cave  | 24.0 km (14.9 mi)[49] |  [ ⚑ ] 10°11′57.45″N 118°55′34.46″E﻿ / ﻿10.1992917°N 118.9262389°E﻿ / 10.1992917; 118.9262389﻿ (St Paul) |  | Puerto Princesa Subterranean River National Park
Asia  | Saudi Arabia  | Umm Jirsan System | 1.481 km (0.9 mi)[50] |  [ ⚑ ] 25°35′19″N 39°45′25″E﻿ / ﻿25.58861°N 39.75694°E﻿ / 25.58861; 39.75694﻿ (Umm Jirsan) | 2007  | \-
Asia  | South Korea  | 11.749 km (7.3 mi)[51][52] |  [ ⚑ ] 33°23′15″N 126°24′33″E﻿ / ﻿33.3874°N 126.4092°E﻿ / 33.3874; 126.4092﻿ (Billemot lava tube) |  | none
Asia  | Tajikistan  | Rangkulskaya cave  | 2.050 km (1.3 mi)[53] |  [ ⚑ ] 38°26′02″N 74°18′23″E﻿ / ﻿38.433930°N 74.306490°E﻿ / 38.433930; 74.306490﻿ (Rangkulskaya cave) |  | none
Asia  | Thailand  | Tham Phra Wang Daeng  | 13.7 km (8.5 mi)[54] |  [ ⚑ ] 16°40′43″N 100°41′15″E﻿ / ﻿16.6785254°N 100.687444°E﻿ / 16.6785254; 100.687444﻿ (Tham Phra Wang Daeng) |  | none
Asia  | Turkey  | Pınargözü Cave | 16 km (9.9 mi) [1][55] or 10.5 km (6.5 mi)[56] |  [ ⚑ ] 37°41′48″N 31°18′27″E﻿ / ﻿37.69667°N 31.3075°E﻿ / 37.69667; 31.3075﻿ (Pınargözü) |  | none
Asia  | Turkmenistan  | Kap-Kutan [sv; sv; Kap-Kutan] (Кап-Кутан)  | 57 km (35.4 mi)[1] |  [ ⚑ ] 37°44′00″N 66°26′00″E﻿ / ﻿37.7333333°N 66.4333333°E﻿ / 37.7333333; 66.4333333﻿ (Kap-Kutan) |  | none
Asia  | Uzbekistan  | Dark Star (cave)  | 17.400 km (10.8 mi)[57] |  [ ⚑ ] 38°23′47″N 67°17′13″E﻿ / ﻿38.396389°N 67.286944°E﻿ / 38.396389; 67.286944﻿ (Dark Star) |  | 1984
Asia  | Vietnam  | Hang Khe Ry cave system  | 18.900 km (11.7 mi)[1][58] |  [ ⚑ ] 17°34′52″N 106°16′59″E﻿ / ﻿17.5812°N 106.2830°E﻿ / 17.5812; 106.2830﻿ (Hang Khe Ry) |  | none
Asia  | Yemen (Socotra)  | Giniba cave  | 13.526 km (8.4 mi)[59][60][61] |  [ ⚑ ] 12°26′06.5″N 53°56′21.40″E﻿ / ﻿12.435139°N 53.939278°E﻿ / 12.435139; 53.939278﻿ (Giniba cave) |  | none
Caribbean  | Bahamas  | Lucayan cave system (Ben's Cave)  | 10.363 km (6.4 mi)[62] |  [ ⚑ ] 26°36′20″N 78°24′07″W﻿ / ﻿26.60544°N 78.40183°W﻿ / 26.60544; -78.40183﻿ (Ben's Cave) |  | Lucayan National Park
Caribbean  | Belize  | Chiquibul Cave System  | 15 km (9.3 mi)[note 1][63] (approx.)  |  [ ⚑ ] 16°39′53″N 89°05′22″W﻿ / ﻿16.6645860°N 89.0895238°W﻿ / 16.6645860; -89.0895238﻿ (Tun Kul Cave) |  | Chiquibul National Park
Caribbean  | Cuba  | Gran Caverna de Palmarito  | 54 km (33.6 mi)[1] |  | none
Caribbean  | Haiti  | 5.3 km (3.3 mi)[64] |  [ ⚑ ] 18°15′16″N 74°05′39″W﻿ / ﻿18.254543°N 74.094270°W﻿ / 18.254543; -74.094270﻿ (Grotte Marie-Jeanne) |  | none
Caribbean  | Jamaica  | Gourie Cave  | 3.505 km (2.2 mi)[65] |  [ ⚑ ] 18°11′40.2″N 77°30′38.4″W﻿ / ﻿18.1945°N 77.510667°W﻿ / 18.1945; -77.510667﻿ (Gourie cave) |  | none
Caribbean  | Puerto-Rico  | Sistema del Rio Encantado  | 21.770 km (13.5 mi)[1][66] |  [ ⚑ ] 18°20′37″N 66°31′46″W﻿ / ﻿18.34361°N 66.52944°W﻿ / 18.34361; -66.52944﻿ (Sistema del Rio Encantado) |  | none
Caribbean  | Dominican Republic  | Boca del Infierno (cueva Fun-Fun)  | 9.3 km (5.8 mi)[67] |  [ ⚑ ] 18°47′20″N 69°25′11″W﻿ / ﻿18.788807°N 69.4195916°W﻿ / 18.788807; -69.4195916﻿ (Boca del Infierno) |  | none
Europe  | Albania  | Shpella Zeze cave  | 5.905 km (3.7 mi)[68] |  [ ⚑ ] 42°21′59″N 19°55′39″E﻿ / ﻿42.3663126°N 19.9275093°E﻿ / 42.3663126; 19.9275093﻿ (Shpella Zeze cave) | \-  | none
Europe  | Austria  | 155.6 km (96.7 mi)[69][70] |  [ ⚑ ] 47°42′06″N 13°46′20″E﻿ / ﻿47.701528°N 13.772333°E﻿ / 47.701528; 13.772333﻿ (Schönberg-Höhlensystem) | 1976  | none
Europe  | Belgium  | Caves of Han-sur-Lesse | 10.693 km (6.6 mi)[71] |  [ ⚑ ] 50°07′14″N 5°11′32″E﻿ / ﻿50.1206388°N 5.1921683°E﻿ / 50.1206388; 5.1921683﻿ (Grotte de Han) | \-  | none
Europe  | Bosnia and Herzegovina  | 9.682 km (6.0 mi)[72] |  [ ⚑ ] 43°46′30.83″N 18°53′23.44″E﻿ / ﻿43.7752306°N 18.8898444°E﻿ / 43.7752306; 18.8898444﻿ (Govještica) | \-  | none
Europe  | Bulgaria  | Duhlata (Духлата)  | 18.200 km (11.3 mi)[73] |  [ ⚑ ] 42°29′48″N 23°11′46″E﻿ / ﻿42.4966087°N 23.1961941°E﻿ / 42.4966087; 23.1961941﻿ (Duhlata) | –  | none
Europe  | Croatia  | 59.030 km (36.7 mi)[74][75] |  [ ⚑ ] 44°15′N 15°51′E﻿ / ﻿44.25°N 15.85°E﻿ / 44.25; 15.85﻿ (Jamski sustav Kita Gaćešina-Draženova puhaljka) | \-  | none
Europe  | Czech Republic  | Amatérská Cave | 39.146 km (24.3 mi)[1] |  [ ⚑ ] 49°22′43″N 16°43′42″E﻿ / ﻿49.3785997°N 16.7284358°E﻿ / 49.3785997; 16.7284358﻿ (Amatérská jeskyně) | \-  | none
Europe  | Denmark (Greenland)  | Cove cave  | 0.103 km (0.1 mi)[76] |  [ ⚑ ] 80°14′48.24″N 21°57′22.23″W﻿ / ﻿80.2467333°N 21.956175°W﻿ / 80.2467333; -21.956175﻿ (Cove cave) | \-  | none
Europe  | Finland  | Lohikäärmeen Luola caves  | 0.300 km (0.2 mi)[77] |  [ ⚑ ] 60°09′43″N 24°09′43″E﻿ / ﻿60.16202°N 24.16202°E﻿ / 60.16202; 24.16202﻿ (Lohikäärmeen Luola caves) | \-  | none
Europe  | France  | 117.2 km (72.8 mi)[78] |  [ ⚑ ] 42°58′21″N 0°51′59″E﻿ / ﻿42.97250°N 0.86639°E﻿ / 42.97250; 0.86639﻿ (Réseau Félix Trombe) | 1908  | none
Europe  | Georgia  | Snezhnaya cave system [ru; ru; Снежная_(пещера)] (Снежная пещера)  | 24,080 km (14,962.6 mi)[79] |  [ ⚑ ] 43°15′53″N 40°43′06″E﻿ / ﻿43.26472°N 40.71833°E﻿ / 43.26472; 40.71833﻿ (Snezhnaya cave system) | \-  | none
Europe  | Germany  | Riesending cave | 23.8 km (14.8 mi)[80][81] |  [ ⚑ ] 47°41′49″N 12°59′5″E﻿ / ﻿47.69694°N 12.98472°E﻿ / 47.69694; 12.98472﻿ (Riesending cave) | \-  | none
Europe  | Greece  | 15.400 km (9.6 mi)[82] |  [ ⚑ ] 36°38′18″N 22°22′50″E﻿ / ﻿36.63836°N 22.38066°E﻿ / 36.63836; 22.38066﻿ (Diros cave) | \-  | none
Europe  | Hungary  | 31.0 km (19.3 mi)[83] |  [ ⚑ ] 47°31′58″N 19°00′54″E﻿ / ﻿47.5329°N 19.015°E﻿ / 47.5329; 19.015﻿ (Pálvölgyi-Mátyáshegyi) | \-  | none
Europe  | Iceland  | Laufbalavatn  | 5.013 km (3.1 mi)[84] |  [ ⚑ ] 63°54′41″N 19°22′42″W﻿ / ﻿63.91130°N 19.37835°W﻿ / 63.91130; -19.37835﻿ (Laufbalavatn) | \-  | none
Europe  | Ireland  | Pollnagollum  | 16 km (9.9 mi)[85] |  [ ⚑ ] 53°04′38″N 9°15′05″W﻿ / ﻿53.07716°N 9.25136°W﻿ / 53.07716; -9.25136﻿ (Pollnagollum) | \-  | none
Europe  | Italy  | Complesso del Monte Canin  | 83.800 km (52.1 mi)[1][86][87] |  [ ⚑ ] 46°22′39″N 13°25′46″E﻿ / ﻿46.37739°N 13.42947°E﻿ / 46.37739; 13.42947﻿ (Complesso del Monte Canin - Abisso Emilio Comici) | \-  | none
Europe  | Kosovo  | 08.036 km (5.0 mi)[88][89] |  [ ⚑ ] 42°39′54.03″N 20°13′51.67″E﻿ / ﻿42.6650083°N 20.2310194°E﻿ / 42.6650083; 20.2310194﻿ (The Cave of the Great Gorge)(approx)  | –  | none
Europe  | Latvia  | 0.351 km (0.2 mi)[90] |  [ ⚑ ] 57°00′24.93″N 21°59′13.53″E﻿ / ﻿57.006925°N 21.9870917°E﻿ / 57.006925; 21.9870917﻿ (Riežupe sand caves) | \-  | none
Europe  | Lithuania  | 0.046 km (0.0 mi)[91] |  [ ⚑ ] 56°12′24″N 24°41′40″E﻿ / ﻿56.206742°N 24.694461°E﻿ / 56.206742; 24.694461﻿ (Karvės Ola cave) | \-  | none
Europe  | North Macedonia  | 3.932 km (2.4 mi)[92] |  [ ⚑ ] 41°34′47.86″N 21°12′47.67″E﻿ / ﻿41.5799611°N 21.2132417°E﻿ / 41.5799611; 21.2132417﻿ (Slatinski Izvor cave) | –  | none
Europe  | Moldavia  | Zolushka Cave [ro; ro; Peștera_Emil_Racoviță] (Zolușka)  | 92.080 km (57.2 mi)  |  [ ⚑ ] 48°16′48″N 26°38′01″E﻿ / ﻿48.2801152°N 26.6335117°E﻿ / 48.2801152; 26.6335117﻿ (Zolushka) | –  | none
Europe  | Montenegro  | Pećina nad vražjim firovima [sr; sr; Ђаловића пећина](Ђаловића пећина)  | 10.550 km (6.6 mi)[93] |  [ ⚑ ] 43°04′21″N 19°55′14″E﻿ / ﻿43.0726346°N 19.9205968°E﻿ / 43.0726346; 19.9205968﻿ (Pećina nad vražjim firovima) | \-  | none
Europe  | Norway  | Tjoarvekrajgge  | 25.167 km (15.6 mi)[94] |  [ ⚑ ] 67°36′35″N 15°41′31″E﻿ / ﻿67.60972°N 15.69194°E﻿ / 67.60972; 15.69194﻿ (Tjoarvekrajgge) | –  | none
Europe  | Poland  | Jaskinia Wielka Śnieżna | 23.723 km (14.7 mi)[95] |  [ ⚑ ] 49°14′24″N 19°55′23″E﻿ / ﻿49.24°N 19.92306°E﻿ / 49.24; 19.92306﻿ (Jaskinia Wielka Śnieżna) | –  | none
Europe  | Portugal  | 14 km (8.7 mi)[1] |  [ ⚑ ] 39°30′17″N 8°36′58″W﻿ / ﻿39.50472°N 8.61611°W﻿ / 39.50472; -8.61611﻿ (Gruta do Almonda) | –  | none
Europe  | Romania  | Peștera Vântului | 47 km (29.2 mi)[96] |  [ ⚑ ] 46°56′21″N 22°32′37″E﻿ / ﻿46.9392°N 22.5436°E﻿ / 46.9392; 22.5436﻿ (Pestera Vantului) | \-  | none
Europe  | Russia  | Botovskaya  [ru; ru; Ботовская пещера] (Ботовская пещера)  | 70.414 km (43.8 mi)[97] |  [ ⚑ ] 55°18′31″N 105°20′36″E﻿ / ﻿55.3086°N 105.3434°E﻿ / 55.3086; 105.3434﻿ (Botovskaya) | \-  | none
Europe  | Serbia  | Lazareva Pećina  | 9.818 km (6.1 mi)[98] |  [ ⚑ ] 44°01′45″N 21°57′46″E﻿ / ﻿44.0293°N 21.9627°E﻿ / 44.0293; 21.9627﻿ (Lazareva Pećina) | –  | none
Europe  | Slovakia  | 35.116 km (21.8 mi)[99] |  [ ⚑ ] 49°0′18″N 19°35′13″E﻿ / ﻿49.005°N 19.58694°E﻿ / 49.005; 19.58694﻿ (Demanovsky jaskynny system) | –  | none
Europe  | Slovenia  | Migovec System | 43.009 km (26.7 mi)[100] |  [ ⚑ ] 46°15′07″N 13°45′50″E﻿ / ﻿46.25194°N 13.76389°E﻿ / 46.25194; 13.76389﻿ (Migovec System) | –  | none
Europe  | Spain  | Sistema del Alto Tejuelo  | 181.633 km (112.9 mi)[101] |  [ ⚑ ] 43°15′11″N 3°40′51″W﻿ / ﻿43.25306°N 3.68079°W﻿ / 43.25306; -3.68079﻿ (Sistema del Alto Tejuelo) | 1965  | none
Europe  | Sweden  | Coral Cave  | 5.0 km (3.1 mi)[102] |  [ ⚑ ] 64°53′19″N 14°06′39″E﻿ / ﻿64.888684°N 14.110749°E﻿ / 64.888684; 14.110749﻿ (Coral cave) |  | none
Europe  | Switzerland  | Hölloch  | 210.752 km (131.0 mi)[103][104] |  [ ⚑ ] 46°58′36″N 8°47′18″E﻿ / ﻿46.976670°N 8.788330°E﻿ / 46.976670; 8.788330﻿ (Hölloch) | 1875  | none
Europe  | Ukraine  | Optymistychna (Оптимістична)  | 264.576 km (164.4 mi)[1] |  [ ⚑ ] 48°44′06″N 25°58′26″E﻿ / ﻿48.73494°N 25.97379°E﻿ / 48.73494; 25.97379﻿ (Optymistychna) | \-  | none
Europe  | United Kingdom  | Three Counties System | 86.619 km (53.8 mi)[105] |  [ ⚑ ] 54°12′25″N 2°30′23″W﻿ / ﻿54.20699°N 2.506452°W﻿ / 54.20699; -2.506452﻿ (Three Counties System) | 1966  | none
North America  | Canada  | Castleguard cave  | 21.311 km (13.2 mi)[106][107] |  [ ⚑ ] 52°04′38″N 117°12′48″W﻿ / ﻿52.07718°N 117.21322°W﻿ / 52.07718; -117.21322﻿ (Castlegard) | –  | none
North America  | Costa Rica  | Sistema kárstico del Cerro Corredor  | 3.872 km (2.4 mi)[108][109] |  [ ⚑ ] 8°40′N 82°55′W﻿ / ﻿8.66°N 82.91°W﻿ / 8.66; -82.91﻿ (Sistema kárstico del Cerro Corredor) | –  | none
North America  | Honduras  | Cueva de la Quebrada Susmay  | 6.690 km (4.2 mi)[110] |  [ ⚑ ] 14°58′56.24″N 86°02′55.44″W﻿ / ﻿14.9822889°N 86.0487333°W﻿ / 14.9822889; -86.0487333﻿ (Susmay caves) | –  | none
North America  | Mexico  | Sistema Ox Bel Ha | 435.8 km (270.8 mi)[111][112] |  [ ⚑ ] 20°09′37″N 87°29′15″W﻿ / ﻿20.16028°N 87.48750°W﻿ / 20.16028; -87.48750﻿ (Sistema Ox Bel Ha) | 1996  | none
North America  | Panama  | Ol' Bank Underworld Cave  | 1.146 km (0.7 mi)[113] |  [ ⚑ ] 9°18′04″N 82°08′14″W﻿ / ﻿9.301034°N 82.137244°W﻿ / 9.301034; -82.137244﻿ (Ol' Bank Underworld Cave) | –  | Isla Bastimentos National Marine Park
North America  | United States  | Mammoth Cave  | 685.6 km (426.0 mi)[1][114][115] |  [ ⚑ ] 37°11′15″N 86°06′13″W﻿ / ﻿37.18758°N 86.10357°W﻿ / 37.18758; -86.10357﻿ (Mammoth cave historic entrance) | 1791  | Mammoth Cave National Park
Oceania  | Australia  | Bullita Cave  | 120.4 km (74.8 mi)[1] |  [ ⚑ ] 16°03′48″S 130°23′00″E﻿ / ﻿16.06333°S 130.38333°E﻿ / -16.06333; 130.38333﻿ (Bullita cave) | 1990  | Gregory National Park
Oceania  | New Zealand  | Bulmer Caverns  | 74.319 km (46.2 mi)[116] |  [ ⚑ ] 41°33′30″S 172°31′08″E﻿ / ﻿41.5583°S 172.5188°E﻿ / -41.5583; 172.5188﻿ ("Bulmer Caverns") | 1984  | none
Oceania  | Papua New Guinea  | Mamo Kananda  | 54.800 km (34.1 mi)[117] |  [ ⚑ ] 5°36′36″S 142°19′53″E﻿ / ﻿5.6100°S 142.3314°E﻿ / -5.6100; 142.3314﻿ (Mamo Kananda) | –  | none
Oceania  | Samoa  | La'auoleola  | 5 km (3.1 mi)[118] |  [ ⚑ ] 13°32′11″S 172°31′45″W﻿ / ﻿13.53652°S 172.52919°W﻿ / -13.53652; -172.52919﻿ (La'auoleola) |  | none
Oceania  | Vanuatu  | Kafae Aven  | 3.702 km (2.3 mi)[119] |  [ ⚑ ] 15°32′21.27″S 167°00′51.07″E﻿ / ﻿15.5392417°S 167.0141861°E﻿ / -15.5392417; 167.0141861﻿ (Kafae Aven) | –  | none
South America  | Argentina  | 3.432 km (2.1 mi)[120] |  [ ⚑ ] 38°36′40″S 70°23′21″W﻿ / ﻿38.611111°S 70.389167°W﻿ / -38.611111; -70.389167﻿ (Caverna del Templo) |  | none
South America  | Bolivia  | 4.6 km (2.9 mi)[121] |  [ ⚑ ] 18°06′52″S 65°48′42″W﻿ / ﻿18.1145°S 65.8116°W﻿ / -18.1145; -65.8116﻿ (Umajalanta) |  | none
South America  | Brazil  | Toca da Boa Vista | 114 km (70.8 mi)[122] |  [ ⚑ ] 10°09′45″S 40°51′35″W﻿ / ﻿10.1625251°S 40.8597012°W﻿ / -10.1625251; -40.8597012﻿ (Toca da Boa Vista) | 1987  | none
South America  | Chile  | Roiho system  | 6.350 km (3.9 mi)[123] |  [ ⚑ ] 27°06′52″S 109°24′12″W﻿ / ﻿27.114452°S 109.40324°W﻿ / -27.114452; -109.40324﻿ (Roiho system) |  | none
South America  | Colombia  | Cueva del Hipocampo  | 2.021 km (1.3 mi)[124] |  [ ⚑ ] 6°03′36″N 73°50′24″W﻿ / ﻿6.059954°N 73.840134°W﻿ / 6.059954; -73.840134﻿ (Cueva del Hipocampo) |  | none
South America  | Ecuador  | Systema Sylvana  | 4.1 km (2.5 mi)[125] |  [ ⚑ ] 0°37′23″S 90°22′06″W﻿ / ﻿0.623017°S 90.368254°W﻿ / -0.623017; -90.368254﻿ (Systema Sylvana) |  | Galápagos National Park
South America  | Peru  | Tragadero de Parjugsha Grande  | 4.070 km (2.5 mi)[126] |  [ ⚑ ] 6°18′05″S 77°44′15″W﻿ / ﻿6.30143°S 77.73762°W﻿ / -6.30143; -77.73762﻿ (Tragadero de Parjugsha) |  | none
South America  | Uruguay  | Grutas of Salamanque  | 0.300 km (0.2 mi)[127][128] |  [ ⚑ ] 34°04′42.03″S 54°36′26.42″W﻿ / ﻿34.0783417°S 54.6073389°W﻿ / -34.0783417; -54.6073389﻿ (Grutas of Salamanque) |  | none
South America  | Venezuela  | 18.148 km (11.3 mi)[129] |  [ ⚑ ] 10°47′53″N 72°25′52″W﻿ / ﻿10.798°N 72.431°W﻿ / 10.798; -72.431﻿ (Cueva del Saman) | –  | none
Map all coordinates in "List of longest cave by country" using: OpenStreetMap

Download coordinates as: KML * GPX

## See also

* List of caves
* List of longest caves
* Speleology

## References

1. ↑ 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 1.11 1.12 1.13 1.14 1.15 "Worlds Longest Caves". caverbob.com. 4 June 2015. http://www.caverbob.com/wlong.htm.
2. ↑ Matos; Rui; Fernandes; Robakiewicz; Barros (2021). "A paisagem cársica do Sudoeste de Angola". Revista Angolana de Geociências 2: 127–143. https://www.researchgate.net/publication/353572326. Retrieved 31 January 2023.
3. ↑ Peyrot, Bernard (1997). "Phénomènes karstiques et pseudo-karstiques dans des quartzites au Burundi" (in fr). Karstologia 29: 7–16. https://www.persee.fr/doc/karst_0751-7688_1997_num_29_1_2385. Retrieved 25 February 2023.
4. ↑ Lips, Bernard; Lips, Josiane (1996). Trois années au Cameroun. p. 8. https://groupe-speleo-vulcain.com/wp-content/uploads/2018/07/Cameroun.pdf. Retrieved 25 January 2023.
5. ↑ Courbon, Paul (1995). Expédition 1994 Tibesti terre inderdite. p. 58.
6. ↑ Middleton, Gregory J. (1998). "Lava caves of grande Comore, Indian ocean: further investigations, July 1998". pp. 92-107. http://www.vulcanospeleology.org/sym09/ISV9Eq.pdf.
7. ↑ Expédition spéléologique Congo 84. Spéléoc. 1985.
8. ↑ 8.0 8.1 Bob Gulden (September 20, 2022). "World Longest CAVES by Country". https://www.caverbob.com/wbc.htm.
9. ↑ ".1 km long, number 8 of the world's longest (granite) caves!". 19 January 2014. http://gobholocave.org/blog/?p=661.
10. ↑ Emad S. Sallam1; Dmitry A. Ruban (2020). "Unique desert caves as a valuable geological resource: first detailed geological heritage assessment of the Sannur Cave, Egypt". https://www.researchgate.net/figure/General-view-of-the-Sannur-Cave-location-a-Old-quarry-b-Cave-entrance_fig1_338980973.
11. ↑ Greg Middleton. "Sannur Cave – The problems of opening a remarkable cave in Egypt's Eastern desert". https://ackma.org/journal/58/Sannur Cave Opening A Remarkable Cave In Egypts Eastern Desert Greg Middleton.pdf.
12. ↑ Trevor, Frost; Testa, Olivier; Michael, Laumanns (2014). Speleological projects 2007, 2008 and 2013 to Gabon (Central Africa). Berliner Höhlenkundliche Berichte. https://www.speleo-berlin.de/inc/abstracts.php?volume=73&lan=en.
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). http://www.vulcanospeleology.org/sym03/ISV3x15.pdf.
14. ↑ Greg Middleton. "Kenya-1998-8th International Symposium on Vulcanospeleology". http://www.vulcanospeleology.org/1998.pdf.
15. ↑ "List of longest gypsum cave". https://www.caverbob.com/gypcave.htm.
16. ↑ "Expédition Malagasy 2018" (in fr). https://blog.crei.ffspeleo.fr/?p=778.
17. ↑ Laumanns, Michael (2017). Mozambique 1998, 1999 and 2015. Expeditions to the Cheringoma Plateau, the Rio Buzi, and to Buchane (vol 71 ed.). Berlin: Berliner Höhlenkundliche Berichte. p. 125. https://www.speleo-berlin.de/en_publikationen.php. Retrieved 30 January 2023.
18. ↑ Martini; Irish; Marais (1990). "Les grottes du Sud-Ouest Africain Namibie". Spelunca (38): 24–29.
19. ↑ Michael Laumanns (2007). "Rwanda 2007, and the longest cave ....". Vulcano 50. http://www.vulcanospeleology.org/newsletters/Vulcano50.pdf. Retrieved 25 February 2023.
20. ↑ Laumanns, Michael (2001). Tanzania 1994 — 2000, Report on the speleological projects in the Matumbi Hills. Berliner Höhlenkundliche Berichte. p. 67. https://www.speleo-berlin.de/en_publikationen.php.
21. ↑ [1] Cave Mine (decouverte-record-de-la-plus-longue-et-la-plus-profonde-grotte-de-tunisie in french)
22. ↑ "Garama cave". 10 February 2015. https://www.mgahinganationalpark.com/attractions/garama-cave.html.
23. ↑ Grottocenter. "Batze Cave". https://grottocenter.org/ui/entrances/37951.
24. ↑ Herbert Daniel Gebauer (Grottocenter) (2018). "Ab Bar Amada cave". https://grottocenter.org/ui/entrances/62051.
25. ↑ "Encuentran herramientas de 30.000 años en cueva armenia" (in es). 2020. https://soyarmenio.com/noticias-de-armenia/historia/encuentran-herramientas-de-30-000-anos-en-cueva-armenia/.
26. ↑ Laumanns, Michael; Hamilton, Habbe (2018). International Speleological Projects to Cambodia 2017 and 2018 (vol 76 ed.). Berliner Höhlenkundliche Berichte. https://www.speleo-berlin.de/inc/abstracts.php?volume=76&lan=en#contents. Retrieved 30 January 2023.
27. ↑ "Shuanghedongqun - 双河洞". https://www.grottes-et-karsts-de-chine.org/npds/gkc_rsd_gro.php?gro_id=606&gro_id_res=606&gro_nom=Shuanghedongqun. .
28. ↑ The Caving in the Abode of the Clouds Project (2020). "Longest Deepest May 2020". http://www.indiancaving.org.uk/wiki/doku.php?id=about:longest_deepest. .
29. ↑ "Longest caves in Southeast Asia". https://cavesofmalaysia.wordpress.com/cave-statistics/.
30. ↑ Alexander Klimchouk (2007). "Hypogene caves in Iraq (Kurdistan) 2007". speleogenesis.com. https://speleogenesis.com/news-hidden/14-miscellaneous/324-Hypogene-caves-in-Iraq-Kurdistan-2007.html.
31. ↑ Michael Laumanns (2008). "I risultati del Progetto di ricerca curdo – Tedesco nel Kurdistan iracheno (2007)" (in it). speleogenesis (speleogenesis.com) (58): 78. http://www.speleo.it/site/images/speleologia/Speleologia_58_Giu_2008.pdf. Retrieved 6 March 2023.
32. ↑ Laumanns, Michael (2017). Iran 2000–2003. The Show Caves of Ghar Alisadr and Ghar Katalehkhor. Speläoclub Berlin - BHB. p. 101. https://www.speleo-berlin.de/en_publikationen.php. Retrieved 8 February 2023.
33. ↑ "'World's longest salt cave' discovered in Israel". BBC. 28 March 2019. https://www.bbc.com/news/world-middle-east-47731943/.
34. ↑ ".World's longest salt cave discovered in Israel". 28 March 2019. http://www.diplomacy.co.il/art-culture/4225-world-s-longest-salt-cave-discovered-in-israel.
35. ↑ "Longest limestone cave much longer". The Japan Times. 2006. https://www.japantimes.co.jp/news/2006/05/04/national/longest-limestone-cave-much-longer/.
36. ↑ "Akka-do - Akka Cave - Akkado Cave". https://www.showcaves.com/english/jp/showcaves/Akka.html.
37. ↑ Al-Malabeh, Ahmad (2006). "Al-Fahda Cave (Jordan): The Longest Lava Cave Yet Reported from the Arabian Plate". AMCS Bulletin (19): 201–208. http://www.vulcanospeleology.org/sym12/ISV12p10.pdf. Retrieved 2 February 2023.
38. ↑ silk road adventures. "Ukuchur cave". https://www.silkadv.com/en/content/uluchur-cave.
39. ↑ Asia adventures. "Caves of Kazakhstan". https://centralasia-adventures.com/en/kazakhstan/nature-of-kazakhstan/caves_of_kazakhstan.html.
40. ↑ Charles Ghommidh (SCM) (2019). "The Nam Dôn cave system". http://www.explo-laos.com/Caves/The_Nam_Don_Cave_System.html.
41. ↑ Spéléo Club du Liban (2023). "The caves of Lebanon". https://speleoliban.org/index.php?f=The_caves_of_Lebanon.
42. ↑ Eavis, Rob (April–May 2016). "What a Rollercoaster". Descent (249): 24–29.
43. ↑ "The Clearwater Cave System". http://www.mulucaves.org/wordpress/the-caves-2/the-major-cave-systems/the-clearwater-cave-system.
44. ↑ The Cave Research Association (2011). "Taliin Caver". http://www.mongoliancave.com/CaveEng/1.
45. ↑ Myanmar Cave Documentation Project (2020). "Longest caves of Myanmar". http://myanmarcaves.com/caves.html.
46. ↑ Gebauer, Herbert Daniel (1986). "Preliminary report of the first German speleological expedition to the Himalaya". International Journal of Speleology 15: 53–56. doi:10.5038/1827-806X.15.1.4. https://digitalcommons.usf.edu/ijs/vol15/iss1/4/. Retrieved 21 February 2023.
47. ↑ culture trip (2022). "Al Hoota: Inside Oman's Stunning Two Million Year-Old Cave". https://theculturetrip.com/middle-east/oman/articles/al-hoota-inside-omans-stunning-two-million-year-old-cave/.
48. ↑ "Introduction of: Pakistan Cave Research and Caving Federation". http://www.pcra.20m.com/.
49. ↑ Antonio De Vivo; Leonardo Piccini (2009). "Recent explorations in the Saint Paul Karst (Palawan, Philippines)". http://www.laventa.it/documenti/recent-explorations-in-the-saint-paul-karst_96362.pdf.
50. ↑ Pint, John (2009). "Umm Jirsan: Arabia's Longest Lava Tube System". Proceedings, 15th International Congress of Speleology: 714–717. http://www.vulcanospeleology.org/articles/jirsan.pdf. Retrieved 2 February 2023.
51. ↑ Kashima, Naruhiko; Ogawa, Takanori; Hong, Shi Hwan. "Mineralogy of Bilemot-Kul cave". Sixth International Symposium on Vulcanospeleology: 170. http://198.49.217.166/sym06/ISV6x27.pdf. Retrieved 23 January 2023.
52. ↑ "Billemotdonggul Lava Tube". https://www.visitjeju.net/en/detail/view?contentsid=CONT_000000000500273.
53. ↑ Jean Philippe Grandcolas (in fr). Pamir 2010. p. 36. http://clan.des.tritons.free.fr/publications/explo_tritons/CR.Expe.Pamir_2010.pdf. Retrieved 11 March 2023.
54. ↑ "Longest caves in Thailand". https://www.thailandcaves.shepton.org.uk/longest-caves.
55. ↑ "Mağaralar". https://isparta.ktb.gov.tr/TR-70984/magaralar.html.
56. ↑ "Pınargözü Mağarası'nda Harıtalandirma Çalişmasi Yapiliyor". 2015-08-24. http://egirdirakingazetesi.com.tr/haber/5801-bolgemizden-pinargozu-magarasinda-haritalandirma-calismasi-yap.html.
57. ↑ Asia adventures. "The biggest caves of Uzbekistan". https://centralasia-adventures.com/en/sights/caves_of_uzbekistan/caves_of_uzbekistan.html.
58. ↑ "World Heritage Database". http://world-heritage-datasheets.unep-wcmc.org/datasheet/output/site/phong-nha-ke-bang-national-park/.
59. ↑ "Socotra is famous for a great number of caves". https://socotra.info/socotra-is-famous-for-a-great-number-of-caves.html.
60. ↑ The Socotra Karst Project (2008). "The longest cave of Arabia!!!". http://thesocotrakarstproject.blogspot.com/2008/.
61. ↑ Tayf - the Soqotra (2009). "Giniba Cave Longest in Middle East". p. 4. http://www.friendsofsoqotra.org/Activities/pdfs/Tayf May 2009.pdf.
62. ↑ "Exploration". https://pownonprofit.org/exploration-3-2/.
63. ↑ Mirman; Moore (2009). Chiquibul Cave System Chiquibul Cave System Management Plan Management Plan 2010–2015 2010–2015. http://biological-diversity.info/Downloads/CCS_managementplan.pdf.
64. ↑ Testa, Olivier (2019). Caves and Canyons of Haiti – Sud Department. Port-au-Prince: Ministère du Tourisme. p. 49. ISBN 978-99970-53-33-6. https://www.grottesdhaiti.org/IMG/pdf/topoguide_haiti_gb_bd2.pdf.
65. ↑ Stewart, Ronald Stefan; Kouwenberg, Silvia; Pauel, Jan (2020). The Caves of Portland Ridge, Jamaica. Ewarton & Kingston, Jamaica: Jamaican Caves Organisation. p. 67. http://www.jamaicancaves.org/Caves-of-Portland-Ridge-PUBLIC-EDITION.pdf. Retrieved 30 January 2023.
66. ↑ Murcielago Blanco (2006-07-15). "Rio Encantado". http://www.pr.indymedia.org/news/2006/07/17264.php.
67. ↑ Gilbert, Alain. Expedition Guacaras Tainas 2006. France: Fédération Française de Spéléologie. p. 46.
68. ↑ "Shpella Zeze, è uno storia di ventiquattro anni…" (in it). https://www.boegan.it/2018/05/shpella-zeze/.
69. ↑ Verein für Höhlenkunde (2023-01-25). "Die längsten Höhlen des Dachsteins und des Toten Gebirges" (in de). http://www.hoehle.at/wordpress/wp-content/uploads/2013/09/Die-längsten-Höhlen-des-Dachsteins-und-des-Toten-Gebirges-steirischer-Teil6.pdf.
70. ↑ "Die tiefsten Höhlen Österreichs" (in de). 12 September 2019. http://www.hoehle.org/downloads/tiefste.pdf.
71. ↑ "Grotte de Han" (in fr). http://carto1.wallonie.be/fiches/?ctx=karst&srv=id&value=592-056z.
72. ↑ Centar za krš i speleologiju (CKS) (2018). "Pećina Govještica (Dugovještica)" (in bs). http://www.centarzakrs.ba/bh/speleologija/80-pecina-govjestica.html.
73. ↑ "Caves of Bulgaria". http://caves.4at.info/index.php?cave_id=167&search=�������&ord=3.
74. ↑ "Popis najvećih špilja". https://view.officeapps.live.com/op/view.aspx?src=https://www.hps.hr/files/data/177/Popis%20speleolo%C5%A1kih%20objekata%20po%20dubini%20i%20duljini%20u%20RH-za%20web.xls&wd.
75. ↑ "Jamski sustav Crnopac". http://www.sv-mihovil.hr/stranice/jamski-sustav-crnopac/24.html.
76. ↑ Gina E. M0seley; Hazel A. Bartoni; Christoph Spötl; Paul Töchterle; M. Paul Smith; Christopher Blakeley; Robbie C. Shone; Peter D. Hodkinson et al. (2022). "Greenland Caves Project". Karstologia Mémoires n°22 - SYMPOSIUM 02 - Caving and explorations II: 141–144. https://uis-speleo.org/wp-content/uploads/2022/09/ACTES_CONGRES_UIS_WEB_VOLUME_2.pdf. Retrieved 2023-03-07.
77. ↑ Suomen luolaseura (2009). "Caving in Finland". https://luolaseura.fi/caving-in-finland/.
78. ↑ "Le réseau Félix Trombe Henne Morte" (in fr). http://lacoume.free.fr/index.php.
79. ↑ Shelepin, Alexei. "Depth and Length of Snezhnaya". https://cml.happy.kiev.ua/?num=10132.
80. ↑ "Riesending-Schachthöhle Untersberg" (in de). https://lehmpfuhl.org/Forschung/Riesending.html.
81. ↑ "Liste der Längsten und tiefsten Höhlen Deutschlands". http://arge-grabenstetten.de/forschung/liste-der-langsten-und-tiefsten-hohlen-deutschlands/.
82. ↑ Adamopoulos, Kosas (2005). "The deepest and the longest caves in Greece". https://www.selas.org/download/deepcaves05en.pdf.
83. ↑ "Caves of Hongria (10 longest et 10 deepest)" (in hu). 2018. https://www.ariadneegyesulet.hu/magyarorszag-barlangjai/magyarorszagi-barlangok.
84. ↑ Detay, Michel (2017). "Volcanospéléologie en Islande". Spelunca (146): 17–26. https://www.researchgate.net/publication/318816709. Retrieved 31 January 2023.
85. ↑ "Longest Caves Ireland". http://www.ukcaves.co.uk/country-roireland-longest.
86. ↑ Andrea Scatolini (2019). "Scoperta sul Canin la grotta più grande d'Italia, con la congiunzione tra il Complesso Col delle Erbe e il Foran del Muss si superano gli 80 km" (in it). https://www.scintilena.com/scoperta-sul-canin-la-grotta-piu-grande-ditalia-con-la-congiunzione-tra-il-complesso-col-delle-erbe-e-il-foran-del-muss-si-superano-gli-80-km/08/14/.
87. ↑ Laura Busato (2019). "Complesso del Monte Canin: trovata la giunzione che lo rende la grotta più grande d'Italia" (in it). https://oggiscienza.it/2019/09/03/complesso-monte-canin-trovata-giunzione-grotta-piu-grande-italia/.
88. ↑ Ján Šmoll (2005). "the discovery and exploration of one of the biggest cave systems at Balkan". https://issuu.com/dankez/docs/spravodaj_kongres_2005/s/13607667.
89. ↑ cervenevrchy-speleo.sk (2012). "Section of the Cave of the Great Gorge". http://www.cervenevrchy-speleo.sk/images/klisura/klisura.png.
90. ↑ Riežupes smilšu alas
91. ↑ speleo.lt (2009). "Lithuanian karst phenomena" (in lt). http://speleo.lt/index.php?id=91#karves_ola.
92. ↑ René Carlin (2005). "Macédoine 2004". Spelunca (100): 14. ISSN 0249-0544. https://spelunca.ffspeleo.fr/200512_Spelunca_100.pdf. Retrieved 1 March 2023.
93. ↑ "Longest caves in Montenegro". http://www.asak.org.rs/caves/cgdeeplong_e.php.
94. ↑ "Norges lengste grotter". http://www.speleo.no/dannelse/norgeslengste.htm.
95. ↑ "Jaskinie Polski". http://jaskiniepolski.pgi.gov.pl/Details/Information/490.
96. ↑ "Hysty of Cave Pestera Vantului". http://pesteravantului.ro/istoric/.
97. ↑ "Спелеологи преодолели 70-километровую отметку в самой длинной пещере России" (in ru). ТАСС. 24 March 2023. https://nauka.tass.ru/nauka/17359565.
98. ↑ "List of deepest caves in Serbia". Akademski speleološko-alpinistički klub. https://www.asak.org.rs/caves/srbdeeplong_e.php.
99. ↑ "Najdlhšie jaskyne Slovenska". Slovenská speleologická spoločnosť. http://www.drienka.netkosice.sk/view.php?cisloclanku=2006021905. "Demänovský cave system length is 35.116m by the official slovakian caving federation -linked here-, instead of 43.036m given by caverbob.com/wlong.htm"
100. ↑ "Deepest caves of Slovenia". Slovenian caving federation. http://jamarska-zveza.si/index.php/strokovne-sluzbe/ss-kataster-jam/ss-kj-prejeto-gradivo/78-kataster-arhiv/47-najdaljse-in-najgloblje-jame-v-sloveniji.
101. ↑ David García. "Alto del Tejuelo" (in es). http://altodeltejuelo.com/.
102. ↑ lansstyrelsen jamtlands län. "Coral Cave" (in sv). https://www.lansstyrelsen.se/jamtland/besoksmal/naturreservat/korallgrottan.html?sv.target=12.382c024b1800285d5863a88b&sv.12.382c024b1800285d5863a88b.route=/&searchString=&counties=&municipalities=&reserveTypes=&natureTypes=&accessibility=&facilities=&sort=none.
103. ↑ Arbeitsgemeinschaft Höllochforschung AGH. "Forschungsobjekte der AGH" (in de). https://www.hoellochforschung.ch/en/research/31-forschungsobjekte-der-agh.
104. ↑ "Höhlenliste". https://www.hoellochforschung.ch/forschung/hoehlenliste.
105. ↑ "Three Counties System". http://www.ukcaves.co.uk/cave-easegill.
106. ↑ Ford, Derek. (2012). Castleguard Cave, Canada. Encyclopedia of Caves. 89–94. 10.1016/B978-0-12-383832-2.00013-X
107. ↑ Caving Canada (2023). "Canada's Longest Caves". http://www.cancaver.ca/longdeep/longest.htm.
108. ↑ El Pais.cr (2021). "Las cuevas de Costa Rica: Un viaje a las entrañas de la Tierra" (in es). https://www.elpais.cr/2021/07/22/las-cuevas-de-costa-rica-un-viaje-a-las-entranas-de-la-tierra/.
109. ↑ Andrés Ulloa; Teresita Aguilar (2011). "Descripción, Clasificación y Aspectos Geológicos de las Zonas Kársticas de Costa Rica" (in es). https://www.researchgate.net/figure/Sistema-karstico-del-Cerro-Corredor-8291-866-que-presenta-un-patron-alineado-a_fig2_259864629.
110. ↑ R.C Finch (2006). "The Longest & Deepest Caves in Honduras". https://showcaves.com/english/hn/region/LongDeep.html.
111. ↑ "Long Underwater Caves". https://legacy.caves.org/project/qrss/qrlongesp.htm.
112. ↑ "CINDAQ 2022 Annual report". CINDAQ. El Centro Investigador del Sistema Acuífero de Quintana Roo A.C.(CINDAQ). January 26, 2023. https://www.cindaq.org/2022EN.
113. ↑ Pegasus Caving Club (2020). "Panama Cave Index". https://www.pegasuscavingclub.org/panama-cave-index.
114. ↑ "Exploration in the World's Longest Cave". http://www.smithriveroutfitter.com/uploads/1/3/9/6/13962054/roppel_x_2017.pdf. .
115. ↑ Emily Deletter (13 September 2022). "Mammoth Cave discovers 6 more miles, still the longest cave system in the world". Cincinnati.com. https://eu.cincinnati.com/story/news/2022/09/13/mammoth-cave-national-park-adds-6-miles/69491921007/.
116. ↑ "Cave Statistics". 2020. http://caves.org.nz/cave-statistics/.
117. ↑ James, Julian M (2006). "Giant dolines of the Muller Plateau, Papua New Guinea". Speleogenesis and Evolution of Karst Aquifers 4 (1): 1–11. http://www.speleogenesis.info/directory/karstbase/pdf/seka_pdf9544.pdf. Retrieved 23 January 2023.
118. ↑ "Laauoleola Cave, Samoa". New Zealand Speleological Society. http://caves.org.nz/wiki/?section=laauoleola-cave-samoa-2.
119. ↑ Bernard Lips; Franck Bréhier; Denis Wirrmann; Nadir Lasson; Stefan Eberhard; Josiane Lips; Louis Deharveng (2006). "The karst of Santo: Geological setting". Karst and Caves: 269–277. https://horizon.documentation.ird.fr/exl-doc/pleins_textes/divers20-06/010051949.pdf. Retrieved 26 February 2023.
120. ↑ "Argentina Subterránea" (in es). https://digitalcommons.usf.edu/cgi/viewcontent.cgi?article=1010&context=argentina_subterranea.
121. ↑ "Caverna de Umajalanta". https://cuevasdelperu.org/bolivia-potosi-charcas/caverna-umajalanta/.
122. ↑ Sociedade Brasileira de Espeleologia. "As maiores cavernas do Brasil" (in pt). http://cnc.cavernas.org.br/. .
123. ↑ "Resultados de los estudios en Rapa Nui 2010". https://jabierles.wordpress.com/2010/05/27/resultados-de-los-estudios-en-rapa-nui/.
124. ↑ Hapka; Jutzet; Bochut; Fernandez (2015). "Speleo-Colombia 2011-2013". Cavernes (special Colombie): 5–95. https://www.cavernes.ch/images/pdf/cavernes2015colombie.pdf. Retrieved 2 February 2023.
125. ↑ "NSS Convention 2020". https://www.youtube.com/watch?v=CTLX7adcQVk.
126. ↑ "Tragadero de Parjugsha Grande". https://cuevasdelperu.org/amazonas-chachapoyas/tragadero-parjugsha-grande/.
127. ↑ Red Latinoamericana y del Caribe para la Conservación de los Murciélagos. "Grutas de Salamanca" (in es). https://www.relcomlatinoamerica.net/¿qué-hacemos/conservacion/aicoms-sicoms/aicoms-sicoms-buscador/ad/aicoms,1/salamanca,109.html.
128. ↑ Todo Uruguay. "Grutas de Salamanca" (in es). https://www.todouruguay.net/grutas-de-salamanca/.
129. ↑ Rogriguez, Luz Maria; Galàn, Carlos (2010). Las zonas karsticas de la sierra de Perija, Venezuela: cavidades estudiadas y rasgos geologico-estructurales. Bol. Sociedad Venezolana Espeleología. pp. 7–19. http://www.aranzadi-zientziak.org/wp-content/files_mf/1298046754Total.PERIJA.pdf. Retrieved 23 January 2023.

## Notes

1. ↑ 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.

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