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  • This institution is an equal opportunity provider.
    This institution is an equal opportunity provider.

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.

News & Blog

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.

New pronghorn exhibit set to open in the summer.