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Jewel Cave National MonumentA close-up of calcite crystals/NPS file photo
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Jewel Cave National Monument
Plan Your Visit
 

At Jewel Cave National Monument, you may explore the surface or the subterranean.  Learn about our cave tours or our surface talks by clicking on the 'Things To Do' link above.

Caver standing in a cave passage / Marc Ohms photo  

Did You Know?
Jewel Cave is the second longest cave in the world, with over 140 miles of mapped passages. On average, volunteer cavers discover and map over 3 miles of passages in Jewel Cave every year!

Last Updated: July 25, 2006 at 00:22 EST