Visitors to the South Unit may experience up to 30 minute delays and rough road conditions due to road construction along East River Road. Check at South Unit Visitor Center for current road conditions. Updated 07/09/2014 5:16 pm MT
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Did You Know?
The Little Missouri River began to carve the badlands about 600,000 years ago during the Pleistocene Epoch. The river formerly ran to Hudson Bay, but the glaciers diverted it into the Missouri River. More...