National Bison Range is s.w. via SR 212. Up to 400 bison as well as herds of elk, pronghorn antelope, deer and bighorn sheep live on the 18,700-acre range. Visitors can also see more than 210 species of birds. From mid-May to mid-October the refuge can be explored via a 19-mile self-guiding driving tour on a one-way gravel road. The tour takes about 2 hours. Only portions of the site are open the rest of the year.
Note: Two-wheeled vehicles are not allowed off the paved roads. Trailers and larger motor homes are restricted to the West Loop Drive; check at the visitor center. The gravel and dirt roads present some long climbs and steep downgrades. Visitors must keep their vehicles on the tour road and must remain in or near them.