Visitors to the South Unit may experience up to 30 minute delays and rough road conditions due to road construction along East River Road. Construction is expected to be complete by October 1. Check back for updates Updated 08/13/2014 5:16 pm MT
Nature & Science
Animals - Find out about the park's mammals, bird, reptiles, amphibians, find checklists for birds and mammals, and learn how the park manages some of these species.
Plants - Information about the park's diverse plant communities and a plant checklist.
Environmental Factors - Explore the elements that affect the park, such as air, water, fire, weather, and invasive species.
Natural Features & Ecosystems - Check out the fossil record and the dynamic geology of the badlands, and explore the different habitat types in the park.
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...