Karsts Like Mark Twain Cave
Dunmore Cave
Karst
6.53
Fair
Meramec Caverns
Karst
6.18
Fair
Grand Caverns
Karst
6.15
Fair
Marvel Cave
Karst
5.66
Mediocre
Waitomo Glowworm Caves
Karst
8.51
Great
Puerto Princesa Underground River
Karst
8.42
Great
Carlsbad Caverns
Karst
8.42
Great
Phraya Nakhon Cave
Karst
8.37
Great
Jeita Grotto
Karst
8.33
Great
Paradise Cave (Thien Duong)
Karst
8.10
Great
Guilin Reed Flute Cave
Karst
8.10
Great
Jenolan Caves
Karst
8.05
Great
Frasassi Caves
Karst
8.02
Great
Zhijin Cave
Karst
7.96
Good
Gouffre de Padirac
Karst
7.91
Good
Jewel Cave
Karst
7.87
Good
Aven Armand
Karst
7.84
Good
Grotte de Han-sur-Lesse
Karst
7.77
Good
Tham Nam Lod Cave
Karst
7.77
Good
Cango Caves
Karst
7.77
Good
Grutas de Cacahuamilpa
Karst
7.73
Good
Furong Cave
Karst
7.73
Good
Marble Arch Caves
Karst
7.68
Good
Ali Sadr Cave
Karst
7.64
Good
