Contact Us

By Mail

Jewel Cave National Monument
11149 U.S. Highway 16
Building B12
Custer, SD 57730

By Phone

Visitor Questions - Option 2
Hours of Operation - Option 3
School Programs / Field Trips - Option 4

By Fax

605-673-8397 - Visitor Center
605-673-8301 - Administrative Offices


By Email

e-mail us

Wait! Before you send your message ...
Jewel Cave National Monument receives hundreds of emails each year requesting information that is already available on our website. In an effort to save printed resources, postage, and staff time, we encourage you to browse the website for answers to your questions. As a Climate Friendly Park, we are trying our best to reduce, reuse, and recycle. Please join us in this Go Green effort.


Visiting On-Site

UTM Coordinates:

594270, 4842528 (UTM NAD 83)

Latitude / Longitude:

43 43' 46.6153" N

103 49' 46.6522" W

Last updated: January 17, 2023

Park footer

Contact Info

Mailing Address:

11149 U.S. Hwy. 16
Building B12

Custer, SD 57730


605 673-8300
The main phone line connects visitors with staff at the visitor center. Throughout the year, the phone line is monitored by staff on a daily basis, excluding holidays and days with limited visitor services. Please be advised that after-hours messages are not taken on the system; visitors are encouraged to call the visitor center during normal operations and speak with a park ranger for assistance.

Contact Us