• 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 - Expect Delays

    Construction projects both along highway 16 and the Jewel Cave parking lot are planned during this summer season. The visitor center will be open daily, 8:00 a.m. – 5:30 p.m. Tours are scheduled throughout the day. No reservations for cave tours. More »

Scout Ranger Program

Did You Know?

Entrance to Jewel Cave

Jewel Cave has only one natural entrance. Although the cave is more than 160 miles long, it lies beneath just 3 square miles of land area.