Easter Cave
185 m long
Macocha Gorge
Czech Republic
174 m long · 138.5 m deep
Alum Pot
United Kingdom
159 m long · 104 m deep
Aquamole Pot
158 m long · 113 m deep
Cleeves Cove
United Kingdom
152.4 m long
Grotta del Gelo
120 m long
Vorontsovskaya Cave System
Russia
120 m long
St Michaels Cave
Australia
110 m long · 15 m deep
Cave of the Crystals
Mexico
109 m long
Karaca Cave
Turkey
105 m long
Algar do Carvão
Portugal
100 m long · 90 m deep
Cox's Cave
United Kingdom
100 m long
Jib Tunnel
United Kingdom
100 m long · 98 m deep
Zeytintaşı Cave
Turkey
97 m long · 14 m deep
Grotta dell'Artiglieria (Artillery Cave)
Italy
95.9 m long · 42.5 m deep
Emerald Cave
Thailand
80 m long
Gruta Brisa Azul
Portugal
80 m long
Unicorn Cave
Austria
80 m long
Aveline's Hole
United Kingdom
68 m long · 16 m deep
Ballıca Cave
Turkey
68 m long
Orecchio di DionisioEar of Dionysius
Italy
65 m long · 70 m deep
Jingling Pot
61 m long · 67 m deep
Grotta Azzurra
Italy
54 m long
Sykia
Greece
54 m long · 20 m deep
Cavernas de Repechón
50 m long
Liang Bua
Indonesia
50 m long
Lovelock Cave
United States
48.8 m long · 12.2 m deep
Thor's Cave
United Kingdom
45.7 m long
Divje Babe
Slovenia
45 m long
Grotta dello Smeraldo
Italy
45 m long · 32 m deep
Tischofer Cave
Austria
40 m long
Cave of Salemas
Portugal
30 m long
Batatotalena (Batatota Cave)
Sri Lanka
25 m long · 15 m deep
Blue Grotto
Croatia
24 m long · 12 m deep
Pešturina
Serbia
22 m long
Fitton Cave
United States
17.5 m long · 95.4 m deep