#
Name
Depth (m)
Length (km)
Country
coordinates
1
Krubera-Voronja Cave
2224[ 1] [ 2] [ 3]
23.0 km (14.3 mi)[ 4] [ 5]
Abkhazia / Georgia
43°25′04.0″N 40°18′35.4″E / 43.417778°N 40.309833°E / 43.417778; 40.309833 (Krubera-Voronja Cave )
2
Veryovkina Cave
2209[ 6]
17.5 km (10.9 mi)[ 7]
Abkhazia / Georgia
43°23′51″N 40°21′34.9″E / 43.39750°N 40.359694°E / 43.39750; 40.359694 (Veryovkina )
3
Sarma cave
1830[ 1] [ 8]
19.2 km (11.9 mi)[ 8]
Abkhazia / Georgia
43°24′56.2″N 40°21′50″E / 43.415611°N 40.36389°E / 43.415611; 40.36389 (Sarma Cave )
4
Snezhnaja cave [ru ]
1760[ 9]
40.8 km (25.4 mi)
Abkhazia / Georgia
43°15′53″N 40°43′06″E / 43.26472°N 40.71833°E / 43.26472; 40.71833 (Snezhnaja cave )
5
Lamprechtsofen
1727[ 10]
61.0 km (37.9 mi)[ 10]
Austria
47°31′34″N 12°44′21″E / 47.52611°N 12.73917°E / 47.52611; 12.73917 (Lamprechtsofen )
6
Gouffre Mirolda
1661[ 11] [ 12]
22.0 km (13.7 mi)[ 11]
France
46°05′19.9″N 6°46′14.0″E / 46.088861°N 6.770556°E / 46.088861; 6.770556 (Gouffre Mirolda )
7
Gouffre Jean-Bernard
1612[ 13]
29.5 km (18.3 mi)[ 14]
France
46°06′08″N 6°46′46.6″E / 46.10222°N 6.779611°E / 46.10222; 6.779611 (Gouffre Jean-Bernard )
8
Sistema del Cerro del Cuevón [es ]
1589[ 15]
7.0 km (4.3 mi)
Spain
43°13′14″N 4°51′37″W / 43.22056°N 4.86028°W / 43.22056; -4.86028 (Torca del Cerro del Cuevón )
9
Hirlatzhöhle
1560[ 16]
117.8 km (73.2 mi)[ 16] [ 10]
Austria
47°32′41.9″N 13°37′51.5″E / 47.544972°N 13.630972°E / 47.544972; 13.630972 (Hirlatzhöhle )
10
Sistema Huautla
1560[ 17]
100.2 km (62.3 mi)[ 18]
Mexico
18°07′16.37″N 96°48′00.03″W / 18.1212139°N 96.8000083°W / 18.1212139; -96.8000083 (Sótano de San Agustin, Sistema Huautla )
11
Chevé Cave
1536[ 19]
87.2 km (54.2 mi)[ 18]
Mexico
17°51′51.6″N 96°47′39.6″W / 17.864333°N 96.794333°W / 17.864333; -96.794333 (Chevé Cave )
12
Boybuloq
1517[ 20]
18.4 km (11.4 mi)[ 21]
Uzbekistan
38°23′04″N 67°30′06″E / 38.38444°N 67.50167°E / 38.38444; 67.50167 (Boybuloq Cave )
13
Pantjuhinskaja Cave [ru ]
1508[ 4]
7.9 km (4.9 mi)
Abkhazia / Georgia
43°19′54.4″N 40°29′56.9″E / 43.331778°N 40.499139°E / 43.331778; 40.499139 (Pantjuhinskaja Cave )
14
Sima de la Cornisa
1507[ 15] [ 22]
6.4 km (4.0 mi)
Spain
43°10′45″N 04°51′51″W / 43.17917°N 4.86417°W / 43.17917; -4.86417 (Sima de la Cornisa )
15
Čehi 2
1505[ 23]
5.5 km (3.4 mi)[ 23]
Slovenia
46°22′01″N 13°30′36″E / 46.36694°N 13.51000°E / 46.36694; 13.51000 (Čehi 2 )
16
Sistema del Trave [fr ]
1441[ 15]
9.1 km (5.7 mi)
Spain
43°13′16″N 04°51′29″W / 43.22111°N 4.85806°W / 43.22111; -4.85806 (Sistema del Trave )
17
Velebit caves
1431[ 24] [ 25]
3.7 km (2.3 mi)
Croatia
44°46′01″N 15°01′35″E / 44.76694°N 15.02639°E / 44.76694; 15.02639 (Velebit caves )
18
Egma Sinkhole
1429[ 26]
3.1 km (1.9 mi)[ 27]
Turkey
36°18′54″N 32°46′44″E / 36.31500°N 32.77889°E / 36.31500; 32.77889 (Egma Sinkhole )
19
Gouffre de la Pierre Saint-Martin
1410[ 28]
87.9 km (54.6 mi).
France , Spain
42°58′05″N 0°46′10″W / 42.96806°N 0.76944°W / 42.96806; -0.76944 (Gouffre de La Pierre Saint-Martin )
20
Kuzgun Cave [ru ]
1400[ 29]
3.1 km (1.9 mi)
Turkey
37°50′13.50″N 35°17′12.31″E / 37.8370833°N 35.2867528°E / 37.8370833; 35.2867528 (Kuzgun Cave )
21
Hochscharten-Höhlensystem
1394[ 10] [ 30]
14.6 km (9.1 mi)
Austria
47°35′10.8″N 13°05′40.1″E / 47.586333°N 13.094472°E / 47.586333; 13.094472 (Hochschartehöhlensystem )
22
Črnelsko brezno [sl ]
1393[ 23] [ 31]
20.0 km (12.4 mi)[ 23]
Slovenia
46°22′25.8″N 13°30′56.5″E / 46.373833°N 13.515694°E / 46.373833; 13.515694 (Črnelsko brezno sistem )
23
Abisso Paolo Roversi
1360[ 32] [ 33]
4.2 km (2.6 mi)
Italy
44°06′43.5″N 10°13′32.9″E / 44.112083°N 10.225806°E / 44.112083; 10.225806 (Abisso Paolo Roversi )
24
Sistema Arañonera-Tendenera
1349[ 15] [ 34] [ 35]
45.2 km (28.1 mi)
Spain
42°40′45.8″N 0°08′33.4″W / 42.679389°N 0.142611°W / 42.679389; -0.142611 (Sistema Arañonera-Tendenera )
25
BU 56 [fr ]
1340[ 36]
35.7 km (22.2 mi)
Spain
42°55′37.4″N 0°45′28.1″W / 42.927056°N 0.757806°W / 42.927056; -0.757806 (BU 56 )
26
Siebenhengste-Hohgant-Höhle
1340[ 37] [ 38]
164.5 km (102.2 mi)
Switzerland
46°47′1.76″N 7°54′4.43″E / 46.7838222°N 7.9012306°E / 46.7838222; 7.9012306 (Siebenhengste-Hohgant-Höhle )
27
Nedam (jama) [hr ]
1335[ 39] [ 40]
3.3 km (2.1 mi)
Croatia
44°45′41.4″N 15°01′56.0″E / 44.761500°N 15.032222°E / 44.761500; 15.032222 (Nedam jama )
28
Sima del Sabbat (B112)
1327[ 15] [ 41]
3.0 km (1.9 mi)
Spain
42°30′59.1″N 0°18′27.8″E / 42.516417°N 0.307722°E / 42.516417; 0.307722 (Sima del Sabbat (B112) )
29
Slovačka jama [hr ]
1324[ 42] [ 25]
6.4 km (4.0 mi)
Croatia
44°44′53″N 15°00′16″E / 44.74806°N 15.00444°E / 44.74806; 15.00444 (Slovačka jama )
30
Renetovo brezno [sl ]
1322[ 23]
12.3 km (7.6 mi)[ 23]
Slovenia
46°21′18.9″N 13°26′42.4″E / 46.355250°N 13.445111°E / 46.355250; 13.445111 (Renetovo brezno )
31
Mala Boka
1319[ 23] [ 43] [ 44]
11.9 km (7.4 mi)[ 23]
Slovenia
46°19′16.6″N 13°29′28.6″E / 46.321278°N 13.491278°E / 46.321278; 13.491278 (Mala Boka - Polska Jama (BC4) System )
32
Complesso del Releccio Alfredo Bini [it ]
1313[ 45]
25.3 km (15.7 mi)
Italy
45°57′27.6″N 9°22′52.8″E / 45.957667°N 9.381333°E / 45.957667; 9.381333 (Complesso del Releccio Alfredo Bini )
33
Jojar Cave
1300[ 46]
2.2 km (1.4 mi)
Iran
34°25′31.2″N 47°16′51.6″E / 34.425333°N 47.281000°E / 34.425333; 47.281000 (Jojar Cave )
34
Cosanostraloch - Berger - Platteneck Höhlensystem [de ]
1291[ 16] [ 47]
30.3 km (18.8 mi)
Austria
47°33′27″N 13°13′16″E / 47.55750°N 13.22111°E / 47.55750; 13.22111 (Cosanostraloch - Berger - Platteneck Höhlensystem )
35
Iljuhinskaja
1286[ 48] [ 49]
8.9 km (5.5 mi)
Abkhazia / Georgia
43°25′53″N 40°21′10″E / 43.43146°N 40.35288°E / 43.43146; 40.35288 (Vladimir V. Iljukhina System )
36
Višnevskij cave
1283[ 50] [ 51]
8.5 km (5.3 mi)[ 50]
Uzbekistan
38°22′27″N 67°31′58″E / 38.37417°N 67.53278°E / 38.37417; 67.53278 (Višnevskij cave )
37
Cueva Charco
1278[ 52] [ 53]
6.7 km (4.2 mi)[ 18]
Mexico
17°56′12″N 96°46′25.8″W / 17.93667°N 96.773833°W / 17.93667; -96.773833 (Cueva Charco )
38
Morca Cave
1276[ 54] [ 55]
5.7 km (3.5 mi)[ 56]
Turkey
36°18′33.7″N 32°39′37.4″E / 36.309361°N 32.660389°E / 36.309361; 32.660389 (Morca Cave )
39
Gouffre Berger
1271[ 57]
45.0 km (28.0 mi)
France
45°13′09″N 5°36′17.2″E / 45.21917°N 5.604778°E / 45.21917; 5.604778 (Gouffre Berger )
40
Sistema del (Pozu) Xitu - Cueva de Culiembro [es ]
1264[ 15] [ 58]
10.7 km (6.6 mi)
Spain
43°14′25.8″N 4°55′36.9″W / 43.240500°N 4.926917°W / 43.240500; -4.926917 (Sistema del Jitu )
41
Moskovskaja
1260[ 1]
2.5 km (1.6 mi)
Abkhazia / Georgia
43°26′30″N 40°22′56.7″E / 43.44167°N 40.382417°E / 43.44167; 40.382417 (Moskovskaja )
42
Réseau du Casoar
1258[ 59] [ 60]
17.3 km (10.7 mi)
Papua New Guinea
5°28′53″S 151°20′46″E / 5.48139°S 151.34611°E / -5.48139; 151.34611 (Réseau du Casoar )
43
Torca dos los Rebecos
1255[ 15] [ 61]
2.2 km (1.4 mi)
Spain
43°13′01.8″N 4°51′28.7″W / 43.217167°N 4.857972°W / 43.217167; -4.857972 (Torca dos los Rebecos )
44
Pozo del Madejuno
1252[ 15] [ 62]
2.8 km (1.7 mi)
Spain
43°10′05.4″N 4°50′40.5″W / 43.168167°N 4.844583°W / 43.168167; -4.844583 (Pozo del Madejuno )
45
Sistema J2
1229[ 63] [ 64]
14.8 km (9.2 mi)
Mexico
17°54′13.75″N 96°45′46.76″W / 17.9038194°N 96.7629889°W / 17.9038194; -96.7629889