A National Natural Landmark

Contact Information

1800 US 18 Bypass
Hot Springs, SD 57747

Tel: 605-745-6017




The Mammoth Site is truly a gift from nature; our inheritance held in trust for 26,000 years. We would diminish ourselves if we failed to perceive the historical and scientific value of this discovery. As a non-profit 501 (3)(c) organization, our preservation, education and research programs are primarily funded through admission and your donation.

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Mammoth Site

The Mammoth Site in Hot Springs, South Dakota is the world’s largest mammoth research facility where you can tour an active paleontological dig site and view Ice Age fossils exhibited as they are found.

Open year round, the Mammoth Site offers the museum visitor a 30 minute guided tour plus a 10 minute video. Tour information features the Mammoth Site and Ice Age geology, paleontology, and paleoecology. Today, visitors to the museum observe first-hand a scientific excavation.

Travel back to the time when Ice Age mammoth, camel, and giant short-faced bear roamed the Great Plains of North America. Imagine a sudden collapse of a 60 foot deep karst sinkhole. Bubbling from the bottom, a warm spring percolates through the layers of limestone, now creating a large steep-sided pond. Picture thirsty animals venturing down to the water below...then, after drinking, animals unable to gain a foothold to escape. The sinkhole was a deathtrap.

Now enclosed and protected by a climate controlled building, the sinkhole and the in-situ exhibit of mammoth bones attracts visitors year round. The bones are displayed as they were discovered, in the now dry pond sediments for an "in-situ" exhibit. Walkways allow visitors a close-up view of the fossils. To date, 60 mammoths have been identified, along with the remains of a giant short-faced bear, camel, llama, prairie dog, wolf, fish, and numerous invertebrates.

Open year round with 30 minute guided tours. Wheelchair accessible. Group rates offered.

May 15 - August 15
8:00 a.m.-8:00 p.m., with last tour at 7:00 p.m.
August 16 - Labor Day
8:00 a.m.-6:00 p.m., with last tour at 5:00 p.m.
After Labor Day - October 31
9:00 a.m.-5:00 p.m., with last tour at 4:00 p.m.
November 1- February 28
(Monday-Sat.) 9:00 a.m.-3:30 p.m.,
with last tour at 2:30 p.m.
(Sunday) 11:00 a.m.-3:30 p.m.,
with last tour at 2:30 p.m.
March 1- May 14
9:00 a.m.- 5:00 p.m., with last tour at 4:00 p.m.

Closed Thanksgiving Day, Christmas Day, New Year's Day and Easter Sunday.

Please contact us for additional visitor information:
605-745-6017 e-mail address: news@mammothsite.org
The Mammoth Site of Hot Springs, South Dakota is an Equal Opportunity provider and will make every effort to provide access for everyone. Please call or email to arrange special needs.

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