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World's Longest Caves
Longest Caves in The World
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The longest cave's in the world are listed below or see the
longest caves in the USA
table. The cave length has been rounded down to the nearest mile.
Cave
Miles
Location
1
Mammoth Cave
367
Kentucky, USA
2
Jewel Cave
135
South Dakota, USA
3
Gypsum cave
133
Ukraine
4
Hoelloch
119
Switzerland
5
Wind Cave
114
South Dakota, USA
6
Lechuguilla Cave
114
New Mexico, USA
7
Fisher Ridge Cave System
109
Kentucky, USA
8
Siebenhengste-hohgant Hoehlensystem
92
Switzerland
9
Gua Air Jernih
80
Malaysia
10
Ozernaja
76
Ukraine
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