# List of longest caves by country

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 | Ghar Boumâaza [fr] (Tafna [fr] river) (غار بومعزة) | 18.400 km (11.4 mi) | 34°42′00″N 1°18′41″W﻿ / ﻿34.70000°N 1.31139°W﻿ / 34.70000; -1.31139﻿ (Ghar Boumâaza) | – | Parc National de Tlemcen |
| Africa | Angola | Gruta do Tchivinguiro | 1.230 km (0.8 mi) | 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) | 03°26′15″S 30°36′15″E﻿ / ﻿3.43750°S 30.60417°E﻿ / -3.43750; 30.60417﻿ (Grotte de Mugobo) | – | none |
| Africa | Cameroon | Gaskin cave | 0.450 km (0.3 mi) | 4°11′45″N 9°11′57″E﻿ / ﻿4.1958°N 9.1992°E﻿ / 4.1958; 9.1992﻿ (Gaskin Cave) | – | Mt Cameroon National Park |
| Africa | Chad | Bourdout Oumou | 0.115 km (0.1 mi) | 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) | 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 | N'kila N'tari [fr] | 1.5 km (0.9 mi) | 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 | 9.522 km (5.9 mi) | 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) | 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) | 28°37′23″N 31°17′11″E﻿ / ﻿28.62306°N 31.28639°E﻿ / 28.62306; 31.28639﻿ (Sannur Cave) | – | none |
| Africa | Equatorial Guinea | Cueva Caracas [es] | 0.036 km (0.0 mi) | 02°09′00″N 11°19′00″E﻿ / ﻿2.15000°N 11.31667°E﻿ / 2.15000; 11.31667﻿ (Cueva Caracas) | 1967 | none |
| Africa | Ethiopia | Sof Omar Cave (ሶፍ-ዑመር) | 15.1 km (9.4 mi) | 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) | 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) | 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) | 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 | 124.255 km (77.2 mi) | 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 | Win Timdouine [fr] | 19.128 km (11.9 mi) | 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) | 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) | 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 | 0.350 km (0.2 mi) | 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) | 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) | 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) | 35°56′48.21″N 09°34′45.02″E﻿ / ﻿35.9467250°N 9.5791722°E﻿ / 35.9467250; 9.5791722﻿ (Cave Mine) | – | none |
| Africa | Uganda | Garama cave | 0.342 km (0.2 mi) | 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) | 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) | 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) | 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) | 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) | 437.434 km (271.8 mi) | 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) | 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) | 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) | 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) | 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) | 31°07′19″N 35°23′00″E﻿ / ﻿31.12194°N 35.38333°E﻿ / 31.12194; 35.38333﻿ (Malcham Cave) | | none |
| Asia | Japan | Akkadō (安家洞) | 23.7 km (14.7 mi) | 39°59′1.1″N 141°44′10.05″E﻿ / ﻿39.983639°N 141.7361250°E﻿ / 39.983639; 141.7361250﻿ (Akkadō) | | none |
| Asia | Jordan | Al-Fahda cave | 0.924 km (0.6 mi) | 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) | 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) | 17°33′45.30″N 104°52′47.36″E﻿ / ﻿17.5625833°N 104.8798222°E﻿ / 17.5625833; 104.8798222﻿ (Nam Dôn) | | none |
| Asia | Lebanon | Jeita Grotto | 10.050 km (6.2 mi) | 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) | 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) | 45°35′25.00″N 114°30′02.06″E﻿ / ﻿45.5902778°N 114.5005722°E﻿ / 45.5902778; 114.5005722﻿ (Taliin Cave) | | none |
| Asia | Myanmar | Som Hein cave | 11.000 km (6.8 mi) | 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) | 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) | 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) | 29°45′36.0″N 67°17′24.0″E﻿ / ﻿29.760000°N 67.290000°E﻿ / 29.760000; 67.290000﻿ (Pir Ghaib Gharr Gharra) (approx.) | | none |
| Asia | Philippines | St.Pauls Underground River Cave | 24.0 km (14.9 mi) | 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) | 25°35′19″N 39°45′25″E﻿ / ﻿25.58861°N 39.75694°E﻿ / 25.58861; 39.75694﻿ (Umm Jirsan) | 2007 | - |
| Asia | South Korea | Billemotdonggul [kr] | 11.749 km (7.3 mi) | 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) | 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) | 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) or 10.5 km (6.5 mi) | 37°41′48″N 31°18′27″E﻿ / ﻿37.69667°N 31.30750°E﻿ / 37.69667; 31.30750﻿ (Pınargözü) | | none |
| Asia | Turkmenistan | Kap-Kutan [sv] (Кап-Кутан) | 57 km (35.4 mi) | 37°44′00″N 66°26′00″E﻿ / ﻿37.73333°N 66.43333°E﻿ / 37.73333; 66.43333﻿ (Kap-Kutan) | | none |
| Asia | Uzbekistan | Dark Star (cave) | 17.400 km (10.8 mi) | 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) | 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) | 12°26′06.5″N 53°56′21.40″E﻿ / ﻿12.435139°N 53.9392778°E﻿ / 12.435139; 53.9392778﻿ (Giniba cave) | | none |
| Caribbean | Bahamas | Lucayan Caverns (Ben's Cave) | 10.363 km (6.4 mi) | 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) (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) | 22°38′36″N 83°44′01″W﻿ / ﻿22.6434673°N 83.7335970°W﻿ / 22.6434673; -83.7335970﻿ (Gran Caverna de Palmarito) | | none |
| Caribbean | Haiti | Marie-Jeanne cave [fr] | 5.3 km (3.3 mi) | 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) | 18°11′40.2″N 77°30′38.4″W﻿ / ﻿18.194500°N 77.510667°W﻿ / 18.194500; -77.510667﻿ (Gourie cave) | | none |
| Caribbean | Puerto-Rico | Sistema del Rio Encantado | 21.770 km (13.5 mi) | 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) | 18°47′20″N 69°25′11″W﻿ / ﻿18.788807°N 69.4195916°W﻿ / 18.788807; -69.4195916﻿ (Boca del Infierno) | | none |
| Europe | Albania | Lengarices system | 12.9 km (8.0 mi) | 40°14′40″N 20°25′56″E﻿ / ﻿40.24431°N 20.43213°E﻿ / 40.24431; 20.43213﻿ (Lengarices) (approx) | 2023 | none |
| Europe | Austria | Schönberg-Höhlensystem | 156.942 km (97.5 mi) | 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) | 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 | Govještica [bs] | 9.870 km (6.1 mi)$^{:32}$ | 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) | 42°29′48″N 23°11′46″E﻿ / ﻿42.4966087°N 23.1961941°E﻿ / 42.4966087; 23.1961941﻿ (Duhlata) | – | none |
| Europe | Croatia | Jamski sustav Kita Gaćešina-Draženova puhaljka [de] | 63.746 km (39.6 mi) | 44°15′N 15°51′E﻿ / ﻿44.250°N 15.850°E﻿ / 44.250; 15.850﻿ (Jamski sustav Kita Gaćešina-Draženova puhaljka) | - | none |
| Europe | Czech Republic | Amatérská Cave | 39.146 km (24.3 mi) | 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) | 80°14′48.24″N 21°57′22.23″W﻿ / ﻿80.2467333°N 21.9561750°W﻿ / 80.2467333; -21.9561750﻿ (Cove cave) | - | none |
| Europe | Finland | Lohikäärmeen Luola caves | 0.300 km (0.2 mi) | 60°09′43″N 24°09′43″E﻿ / ﻿60.16202°N 24.16202°E﻿ / 60.16202; 24.16202﻿ (Lohikäärmeen Luola caves) | - | none |
| Europe | France | Réseau Félix Trombe | 117.2 km (72.8 mi) | 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 | Tovliani Upskruli [ka] (თოვლიანი უფსკრული) | 24,080 km (14,962.6 mi) | 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) | 47°41′49″N 12°59′5″E﻿ / ﻿47.69694°N 12.98472°E﻿ / 47.69694; 12.98472﻿ (Riesending cave) | - | none |
| Europe | Greece | Diros cave [el] | 15.400 km (9.6 mi) | 36°38′18″N 22°22′50″E﻿ / ﻿36.63836°N 22.38066°E﻿ / 36.63836; 22.38066﻿ (Diros cave) | - | none |
| Europe | Hungary | Pálvölgyi-Mátyáshegyi System [hu] | 31.0 km (19.3 mi) | 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) | 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) | 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) | 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 | The Cave of the Great Gorge [sq] | 08.036 km (5.0 mi) | 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 | Riežupe sand caves [lv] | 0.351 km (0.2 mi) | 57°00′24.93″N 21°59′13.53″E﻿ / ﻿57.0069250°N 21.9870917°E﻿ / 57.0069250; 21.9870917﻿ (Riežupe sand caves) | - | none |
| Europe | Lithuania | Cows Ola cave [lt] | 0.046 km (0.0 mi) | 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 | Slatinski Izvor cave (Слатински Извор) [mk] | 3.932 km (2.4 mi) | 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 | Moldova | Emil Racoviță Cave [ro] | 92.080 km (57.2 mi) | 48°16′48″N 26°38′01″E﻿ / ﻿48.2801152°N 26.6335117°E﻿ / 48.2801152; 26.6335117﻿ (Emil Racoviță Cave) | – | none |
| Europe | Montenegro | Pećina nad vražjim firovima [sr](Ђаловића пећина) | 17.500 km (10.9 mi) | 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) | 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) | 49°14′24″N 19°55′23″E﻿ / ﻿49.24000°N 19.92306°E﻿ / 49.24000; 19.92306﻿ (Jaskinia Wielka Śnieżna) | – | none |
| Europe | Portugal | Gruta do Almonda [pt] | 14 km (8.7 mi) | 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) | 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] (Ботовская пещера) | 70.414 km (43.8 mi) | 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) | 44°01′45″N 21°57′46″E﻿ / ﻿44.0293°N 21.9627°E﻿ / 44.0293; 21.9627﻿ (Lazareva Pećina) | – | none |
| Europe | Slovakia | Demanovsky jaskynny system [cs] | 35.116 km (21.8 mi) | 49°0′18″N 19°35′13″E﻿ / ﻿49.00500°N 19.58694°E﻿ / 49.00500; 19.58694﻿ (Demanovsky jaskynny system) | – | none |
| Europe | Slovenia | Migovec System | 43.009 km (26.7 mi) | 46°15′07″N 13°45′50″E﻿ / ﻿46.25194°N 13.76389°E﻿ / 46.25194; 13.76389﻿ (Migovec System) | – | Triglav National Park |
| Europe | Spain | Sistema del Alto Tejuelo | 208.984 km (129.9 mi) | 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) | 64°53′19″N 14°06′39″E﻿ / ﻿64.888684°N 14.110749°E﻿ / 64.888684; 14.110749﻿ (Coral cave) | | none |
| Europe | Switzerland | Hölloch | 211.229 km (131.3 mi) | 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) | 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) | 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) | 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) | 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) | 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 | 496.8 km (308.7 mi) | 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) | 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) | 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 | 123.0 km (76.4 mi) | 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) | 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) | 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) | 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) | 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 | Caverna del Templo [es] | 3.432 km (2.1 mi) | 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 | Caverna de Umajalanta [es] | 4.6 km (2.9 mi) | 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) | 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) | 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) | 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) | 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) | 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) | 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 | Cueva del Saman [es] | 18.148 km (11.3 mi) | 10°47′53″N 72°25′52″W﻿ / ﻿10.798°N 72.431°W﻿ / 10.798; -72.431﻿ (Cueva del Saman) | – | none |
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