The entire Mickelson Trail is 109 miles long and has a total of 15 trailheads, 4 rock tunnels, and several railroad bridges. The surface of the trail is mostly crushed limestone and packed gravel, along with some partial dirt roads. It begins at the town of Edgemont and journeys northward through the Black Hills National Forest along abandoned rail lines, wooden bridges, and then passes by a gravel pit before getting to the town of Pringle. Most people make this a one way day trip with extra vehicles or accommodations at each trailhead. Be sure to purchase a Mickelson Trail pass at a self-service station along the trail or online.