Badlands National Park

Badlands National Park contains the world’s richest Oligocene epoch fossil beds, dating 37-28 million years old, the evolutionary stories of mammals such as the horse and rhinoceros arise from the 244,000 acres of sharply eroded buttes, pinnacles, and spires. Bison, bighorn sheep, endangered black-footed ferrets, and swift fox roam one of the largest, protected mixed-grass prairies in the United States.

  • Interstate 90 (I-90) is located directly north of the park and provides access to the Badlands Loop Road. For those traveling west on I-90, take Exit 131 (Interior) and follow the signs directing vehicles south approximately three miles to the Northeast Entrance gate. For those traveling east on I-90, take Exit 110 at Wall, South Dakota. Follow signs directing vehicles south approximately seven miles to the Pinnacles Entrance of the park. State Highway 44 provides an alternate, scenic access to the park and intersects Highway 377 in the town of Interior. Follow 377 two miles north to the Interior Entrance gate.
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