Deepest caves in United States
The 21 deepest caves in United States with a recorded depth.
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1
Kazumura Cave1,101 mUnited States
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2
Neffs Cave354.5 mUnited States
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3
Ellison's Cave324 mUnited States
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4
Hellhole224.6 mUnited States
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5
Grand Canyon Caverns210 mUnited States
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6
Friars Hole Cave System186.8 mUnited States
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7
Marvel Cave152.4 mUnited States
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8
Wakulla Springs106.7 mUnited States
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9
The Caverns at Natural Bridge105.8 mUnited States
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10
Blowhole Cave103.6 mUnited States
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11
Fitton Cave95.4 mUnited States
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12
Niagara Cave61 mUnited States
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13
Howe Caverns47.5 mUnited States
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14
Cascade Caverns40.2 mUnited States
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15
Mystic Caverns and Crystal Dome33.5 mUnited States
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16
Natural Trap Cave25.9 mUnited States
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17
Lost River Caverns24.4 mUnited States
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18
Derrick Cave16.2 mUnited States
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19
Jacobs Cavern14 mUnited States
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20
Lovelock Cave12.2 mUnited States
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21
Airman's Cave9 mUnited States