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Jewel Cave National MonumentA close-up of calcite crystals/NPS file photo
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Jewel Cave National Monument
Contact Us

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By Mail

Jewel Cave National Monument
11149 US Highway 16
Building B12
Custer, SD 57730

By Phone
Information
605-673-8300

By Fax
605-673-8301

Bird Bath Conulite  

Did You Know?
Jewel Cave is world renowned for its crystal-lined passages and rare cave formations such as hydromagnesite balloons and conulites.

Last Updated: October 30, 2008 at 11:12 EST