Check out some of the best hiking, walking and backpacking routes in Rio Blanco County, Colorado. The
Marvine Loop is the most popular trail. There are trails of various difficulty levels including medium and difficult. The trail with the highest elevation climb is the
Chinese Wall Trail and the trail with the least amount of climbing is the
State Highway 139 Loop. The longest trail is the
Chinese Wall Trail at 57.5 km. For a shorter adventure you can try the
State Highway 139 Loop at 1.6 km. Get off line access to History, Campsite, Water, and Peak locations and much more with a Hiiker subscription.