Jewel Cave National Monument

  • Jewel National Cave



Jewel Cave Information

Explore your curiosity within the caves at Jewel Cave National Monument. Experience guided hiking tours through the natural wilderness.

With more than 135 miles surveyed, Jewel Cave is recognized as the second longest cave in the world. Airflow within its passages indicates a vast area yet to be explored. Cave tours provide opportunities for viewing this pristine cave system and its wide variety of speleothems including stalactites, stalagmites, draperies, frostwork, flowstone, boxwork and hydromagnesite balloons. The cave is an important hibernaculum for several species of bats.


Making an Impact

Visiting Jewel Cave

Inside Jewel Cave National

Map of the Park

Jewel Cave National Monument
11149 U.S. Highway 16 Building B12
Custer , SD

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