Horsetooth Reservoir Circumnavigation (CO)

Larimer County, Colorado, United States

18.8 miles (30.2 km) · 1,794 ft elevation gain · Loop · trail · Route

The Horsetooth Reservoir Circumnavigation (CO) route traverses 18.8 miles through Larimer County, Colorado, United States. Elevation gain totals 1,794 feet, with 1,763 feet of descent. The course averages 100 feet of vertical gain per mile. About 86% of the distance is runnable terrain. Terrain is predominantly trail. Terrain difficulty is rated as hilly. Difficulty is rated 8.8 out of 10, placing it in the 59th percentile. The route draws trail runners and hikers interested in technical terrain in Colorado.