High Lonesome Loop

Roosevelt National Forest, Colorado, United States

14.5 miles (23.4 km) · 3,219 ft elevation gain · Loop · Route

The High Lonesome Loop route traverses 14.5 miles through Roosevelt National Forest, Colorado, United States. Elevation gain totals 3,219 feet, with 3,097 feet of descent. The largest climb extends 3.6 miles, gaining 1,061 feet. The course averages 260 feet of vertical gain per mile. About 58% of the distance is runnable terrain. Terrain difficulty is rated as mountainous. Difficulty is rated 18.7 out of 10, placing it in the 84.71th percentile. Popular among runners preparing for distance events.