Hut System’s seven-day, 206-mile route from Telluride to Moab, Utah, is almost completely on USDA Forest Service and Bureau of Land Management roads, unpaved but well-maintained. Each segment averages about 35 miles a day. The route is not technically difficult (there are a few glorious stretches of single track available as optional routes), but you must be in decent shape to handle more than 16,000 feet of ascents at an average altitude of 9,000 feet. (The company offers a Durango-to-Moab route that is even more challenging.