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Discover The Mammoth Site in Hot Springs, South Dakota. You can tour this indoor active dig site and view Ice Age fossils. The Mammoth Site offers self-guided tours, enhanced educational experience with a gaming app and Summer Educational Programs. The Mammoth Site is open year round Learn more.

  • Our programs are designed to further our mission and provide much needed services for our constituents.
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  • Fundraisers and events help us raise awareness and generate crucial resources to serve our community. Join us at our next event and see how you can get involved.
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  • Improve your community by joining our cause. You'd be surprised at what a huge difference a little bit of your time can make.
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News & Blog

June 18, 2021
byClaire Scarborough

Thanks to a generous donation from the family of the late Dr. Paul Wittenberg, a longtime Hot Springs veterinarian, a new prep lab that will allow visitors to directly interact with preparators has been constructed in The Mammoth Site’s Bonebed.

March 29, 2021
byDiane Gross

We need you for the C. Eddie Clay "Secrets of the Sinkhole" Murder Mystery Night on April 23 or 24, 2021, from 6-9 p.m. at The Mammoth Site! We still haven’t solved case #2020, so mark your calendars for this fun-filled event and help solve this cold case.

March 9, 2021
byRich White

New pronghorn exhibit set to open in the summer.