The Mammoth Site
We Dig Big! The Mammoth Site boasts the largest concentration of Columbian mammoths in the world. Tour this ancient sinkhole and stand on the edge of discovery. Experience this indoor active paleontological dig site and walk-through Ice Age exhibits. The Mammoth Site is a 501 (c)(3) Nonprofit Organization that is one of only two Accredited Museums in the Black Hills and one of four Accredited Museums in South Dakota. Experience self-guided tours via app or booklet, hands-on activities, kids' summer educational programs, exhibits, a gaming app, universally accessible walkways, a sluice and a snack shack.
HoursMarch 1 - May 14 Open Daily 9:00 a.m. – 5:00 p.m.
May 15 – August 15 Open Daily 8:00 a.m. - 8:00 p.m.
August 16 – August 31 Open Daily 8:00 a.m. - 6:00 p.m.
September 1 – October 31 Open Daily 9:00 a.m. - 5:00 p.m.
November 1 - February 28 Monday-Sunday 9:00 a.m. - 3:30 p.m. Sunday Only 11:00 am - 3:30 p.m.