• Explore and Discover One of the Last Frontiers in the World ...

    Jewel Cave

    National Monument South Dakota

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  • Caution - Roadwork on Highway 16

    Construction projects both along highway 16 and the Jewel Cave parking lot are in progress. The Jewel Cave Visitor Center is open daily from 8:30 a.m. to 4:30 p.m. with tours scheduled throughout the day. No reservations for cave tours.

  • Highway 16 construction near Jewel Cave entrance

    Construction of Highway 16 through Jewel Cave National Monument is progressing on schedule. Motorists should use caution while traveling through the construction zone. Visitors to Jewel Cave should plan extra travel time and come early in the day. More »

  • The parking lot at Jewel Cave takes shape

    Jewel Cave's parking lot project is on schedule for completion this fall. The stairs and wheelchair ramp to the visitor center are under construction. Signage along a service road and staff assistance will help guide visitors to the visitor center. More »

Explore and Discover One of the Last Frontiers in the World ...

Immerse yourself within the third longest cave in the world. With over 171 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 lure explorers, and its scientific wealth remains a mystery. This resource is truly a jewel in the National Park Service.

Did You Know?

Bats on the cave ceiling/NPS file photo

Jewel Cave National Monument is home to nine bat species, including the rare Townsend’s big-eared bat. Some bats that roost outside in the summer hibernate in the cave during winter.