Jewel Cave National Monument - National Park Service | United States Department of the Interior
11149 US Highway 16, Building B12, Custer, SD 57730
Eligibility
Open to all
Hours
Summer season: 8:00am - 5:30pm (MT), Monday - Sunday
Winter season: 8:30am - 4:30pm (MT), Wednesday - Saturday
Shoulder seasons: 8:30am - 5:30pm (MT), Monday - Sunday
Closed: Thanksgiving, Christmas, and New Year's Day.
605-673-8397
Voice
Websitehttps://www.nps.gov/jeca
Email[email protected]
Interpretation services
American Sign Language
Application process
Visit www.nps.gov/jeca for further information and guidance.
Fees
Sliding fee scale
Service area
SD
Other Information
Age Group
- Young Adults (18-24)
- Adults (25-64)
- Older Adults (65+)
- Children (0-17)
Payment Options
- Sliding-Fee Scale
Offers more than 200 miles of mapped and surveyed passages, guided cave tours provide opportunities for viewing this underground wilderness.
*Tours are offered year-round; however, the off-season has limited tour times and facility hours.
*Advanced reservations are available through recreation.gov.
*For more information about guided cave tours, facility hours, surface trails and picnic areas, interested visitors should call the monument at (605) 673-8300 and speak with a park ranger.
Last Assured
12/02/2025
Providing organization
United States Department of the Interior
Responsible for the management and conservation of most federal lands and natural resources.