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Jewel Cave National Monument

Jewel Cave National Monument contains Jewel Cave, currently the fifth longest cave in the world and second longest cave in the United… Read more…

 

Jewel Cave National Monument contains Jewel Cave, currently the fifth longest cave in the world and second longest cave in the United States, with 219.77 miles of mapped passageways as of March 2024. It is located approximately 13 miles west of the town of Custer in Black Hills of South Dakota. It became a national monument in 1908.

Source: Wikipedia

More information and contact

Official website www.nps.gov/jeca
Coordinates 43°43'47.711" N, 103°49'45.819" W
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