This promotion offers 10% off your stay at Trailshead Lodge with your snowmobile rental. By default this promotion chooses a single snowmobile for you to rent – click Customize to change sled type and dates. The Black Hills of South Dakota boast 365 miles of interconnected, groomed snowmobile trails within the Black Hills National Forest. We make it easy by arranging your snowmobiles and Black Hills lodging conveniently located near the trail system.