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    List of longest cave by country

    Topic: Earth

     From Handwiki - Reading time: 17 min
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    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.

    List

    Continent Country System Length coordinates Discovery Associated parks,
    protected areas
    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

    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%20Cave%20Opening%20A%20Remarkable%20Cave%20In%20Egypts%20Eastern%20Desert%20Greg%20Middleton.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%20May%202009.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-l%C3%A4ngsten-H%C3%B6hlen-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=%C4%F3%F5%EB%E0%F2%E0&ord=3. 
    74. ↑ "Popis najvećih špilja". https://view.officeapps.live.com/op/view.aspx?src=https%3A%2F%2Fwww.hps.hr%2Ffiles%2Fdata%2F177%2FPopis%2520speleolo%25C5%25A1kih%2520objekata%2520po%2520dubini%2520i%2520duljini%2520u%2520RH-za%2520web.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/%C2%BFqu%C3%A9-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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