Near Rapid City in the Black Hills National Forest, the Sundance Trail System partly non-motorized 50.3 miles trail system open to mountain biking that weaves through the network of densely-forested canyons and winding open ridges that form the Bearlodge Mountains. You pass through pine, aspen, and oak woodlands. From some ridge tops you can see such sites as the Route of the Custer Expedition, Devils Tower, and the Twin Missouri Buttes. Elk, deer and turkey abound and an occasional mountain lion may be glimpsed.
The Sundance Trail system is well-recognized for excellent and challenging mountain biking opportunities because of the rough topography. Be sure to look for bypasses designed specifically for more challenging mountain biking, especially South Fork Tent and the Edge Trail. The route has 1600 feet of vertical.
It is located 3.5 miles north of US 14 and Sundance on Government Valley Road.
Overall, Sundance Trail System is the 3rd most popular mountain bike trail of all 10 mountain biking rides in South Dakota.