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USA's Longest Caves
Longest Caves in USA
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Below is a table of the longest caves in the United States or you can also see a list of the
longest caves in the world
are listed below. The cave length has been rounded down to the nearest mile.
#
Cave Name
State
Miles
Depth(m)
1
Mammoth Cave System
Kentucky
367.0
115.5
2
Jewel Cave
South Dakota
135.0
192.6
3
Wind Cave
South Dakota
118.7
202.4
4
Lechuguilla Cave
New Mexico
116.4
489
5
Fisher Ridge Cave System
Kentucky
109.5
108.5
6
Friars Hole Cave System
West Virginia
45.5
191.4
7
Kazumura Cave
Hawaii
40.7
1101.5
8
Organ Cave System
West Virginia
39.5
148.1
9
Blue Spring Cave
Tennessee
33.4
71.0
10
Martin Ridge System
Kentucky
32.2
95.7
11
Crevice Cave
Missouri
28.2
0.0
12
Cumberland Caverns
Tennessee
27.6
61.0
13
Scott Hollow Cave
West Virginia
27.0
174.0
14
Carlsbad Cavern
New Mexico
25.6
315.5
15
Sloans Valley Cave System
Kentucky
24.6
73.2
16
Xanadu Cave System
Tennessee
23.8
70.1
17
Hellhole
West Virginia
23.1
158.2
18
The Hole (Boggs Cave)
West Virginia
23.0
68.6
19
Omega System
Virginia
22.8
385.0
20
Coral Cave System
Kentucky
22.6
103.6
21
Sugar Run Cave System
Virginia
22.5
218.8
22
Binkley's Cave System
Indiana
22.1
42.7
23
Hidden River System
Kentucky
21.1
48.8
24
Culverson Creek Cave System
West Virginia
20.8
91.4
25
Lilburn Cave
California
20.8
154.8
26
Blue Spring Cave
Indiana
20.8
42.7
27
Lost River Cave System
Indiana
20.1
26.5
28
Chestnut Ridge Cave System
Virginia
20.0
245.1
29
Honey Creek Cave
Texas
19.9
37.8
30
Moore Cave System
Missouri
18.0
0.0
31
Windymouth (Wind) Cave
West Virginia
18.0
0.0
32
Fitton (Beauty) Cave
Arkansas
17.5
0.0
33
Thornhill Cave System
Kentucky
17.2
0.0
34
Coldwater Cave
Iowa
17.0
24.4
35
Kipuka Kanohina
Hawaii
16.5
232.3
36
McClung Cave System
West Virginia
16.4
61.0
37
Butler-Sinking Creek System
Virginia
16.0
190.2
38
Mystery Cave System
Missouri
15.8
0.0
39
Rumbling Falls Cave
Tennessee
15.7
144.5
40
Fern Cave
Alabama
15.6
163.4
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