This day trip of the Big Horn mountains can be taken in the summer and fall but not recommended for use by cars. Once the snow flies, this route, which has miles of primitive dirt roads, is closed and access is limited to snowmobiles. A four-wheel drive or a vehicle with high clearance is recommended. Start at Big Horn just 16 miles south of Sheridan and follow the Red Grade Road up the mountain to the pavement. Follow US 14 down the mountain on the north until you’re back to Ranchester. Maps to provide you with additional options on this route are available from the Big Horn National Forest Service.