List of longest caves in the United States
Appearance
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.[2] |
Jewel Cave | 310.7 km (193.1 mi)[1] | near Custer, South Dakota | Jewel Cave National Monument |
Wind Cave | 236.7 km (147.1 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 | 201.6 km (125.3 mi)[1] | near Brownsville, Kentucky | none |
Friars Hole Cave System | 75.5 km (46.91 mi)[1] | near Renicks Valley, West Virginia | none |
Binkley's Cave System | 71.1 km (44.18 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 |
Blue Spring Cave | 64.4 km (40.02 mi)[1] | near Sparta, Tennessee | none |