American Discovery Trail, Arapaho National Forest

The American Discovery Trail is a system of recreational trails and roads which collectively form a coast-to-coast hiking and biking trail across the mid-tier of the United States. Horses can also be ridden on most of this trail. The coastal trailheads are the Delmarva Peninsula on the Atlantic Ocean and the northern California coast on the Pacific Ocean. The trail has northern and southern alternates for part of its distance, passing through Chicago and St. Louis respectively. The total length of the trail including both the north and south routes is 6,800 miles. The northern route covers 4,834 miles with the southern route covering 5,057 miles. It is the only non-motorized coast-to-coast trail. ()