The logomites or popcorn stalagmites this explorer sits near are hollow and sometimes grow taller than a person.
Immerse yourself in one of the longest caves in the world. With over 220 miles of mapped and surveyed passages, this underground wilderness appeals to human curiosity. Its splendor is revealed through fragile formations and glimpses of brilliant color. Its maze of passages lures explorers, and its scientific wealth remains a mystery. This resource is truly a jewel in the National Park Service.
Jewel Cave National Monument will cease cave tours Monday, March 24 to Friday, March 28, 2025, due to a planned emergency generator installation. On Tuesday, March 25, 2025, the visitor center will not have power and will be closed.
The Great American Outdoors Act (GAOA) Legacy Restoration Fund financed critical preservation work on the roof and gutter system on the Historic Cabin at the Historic Area at Jewel Cave National Monument.
Jewel Cave National Monument will be changing its hours of operation for the off-season. Beginning Sunday, December 1st, the visitor center will be closed Sundays and plan to be open Mondays-Saturdays from 10:30 a.m. to 4:30 p.m.
Jewel Cave National Monument visitor center will be having its HVAC system replaced this winter. This work will reduce the availability of visitor center amenities and occasionally require the building to be closed throughout the winter. The replacement of the HVAC system is necessary to maintain a safe and cared-for visitor center facility.