List of longest caves in the United States

The following is a list of the longest caves in the United States per length of documented passageways. Many passageways are still being discovered; this list is based on the latest verifiable data.[1]

System Length Location Associated parks,
protected areas
Mammoth Cave 651.8 km (405.0 mi)[1] near Brownsville, Kentucky Mammoth Cave National Park, also a World Heritage Site and International Biosphere Reserve. Longest cave in the world.
Jewel Cave 324.9 km (201.9 mi)[1] near Custer, South Dakota Jewel Cave National Monument
Wind Cave 241.5 km (150.1 mi)[1] near Hot Springs, South Dakota Wind Cave National Park
Lechuguilla Cave 222.6 km (138.3 mi)[1] near Carlsbad, New Mexico Carlsbad Caverns National Park
Fisher Ridge Cave System 208.8 km (129.7 mi)[1] near Brownsville, Kentucky partly within Mammoth Cave National Park
Friars Hole Cave System 75.5 km (46.91 mi)[1] near Renicks Valley, West Virginia none
Binkley's Cave System 71.2 km (44.24 mi)[1] near Corydon, Indiana none
Hellhole 67.9 km (42.19 mi)[1] Germany Valley, West Virginia none
Kazumura Cave 65.5 km (40.70 mi)[1] Pahoa, Hawaii none
Double Bopper Cave 65.3 km (40.58 mi)[1] Coconino County, Arizona Grand Canyon National Park
Blue Spring Cave 64.4 km (40.02 mi)[1] near Sparta, Tennessee none
Organ Cave 61.9 km (38.46 mi)[1] Greenbrier County, West Virginia none
Mammoth Cave, the longest known cave system in the United States and the world

See also

References
  1. Gulden, Bob (April 7, 2019). "USA Longest Caves". Retrieved 7 April 2019.
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