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

    Jewel Cave

    National Monument South Dakota

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  • Caution - Parking Lot at Jewel Cave is under construction

    The parking lot project is on schedule for completion this fall. There is limited RV parking. The stairs and wheelchair ramp to the visitor center are also under construction. Signage along a service road will help guide visitors to the visitor center. More »

Nature & Science

Jewel Cave is the primary resource of Jewel Cave National Monument, and is currently the third longest cave in the world. Airflow studies indicate that most of the cave has yet to be found. Each year, explorers discover and map an average of three miles of cave passages.

The Monument is also home to a variety of plants and animals, and has a fascinating wildfire history. We invite you to explore all that Jewel Cave National Monument has to offer!

Did You Know?

Person exploring the cave/NPS file photo

Over 80,000 people a year go on cave tours at Jewel Cave National Monument. In the summer season, visitors can tour 3 different areas of Jewel Cave.