Horsetooth Reservoir

In the western foothills above the city of Fort Collins, Horsetooth Reservoir serves Larimer County in Colorado as a municipal water supply and for seasonal outdoor recreation. Horsetooth Reservoir is named for Horsetooth Mountain that sits above the city to the south. It rests at an elevation of 5,400 feet above sea level. This body of water is situated in a south to north orientation and is over six miles in length. It is about a half mile in width. It contains over 1,900 acres of water and is surrounded by nearly 2,000 acres of public land. Larimer County Parks and Open Lands Department manages the recreational visitors at Horsetooth. Over 500,000 people visit the area each year. Hiking, mountain trail biking, road cycling, boating, and swimming are all available. Swimming is allowed at one designated beach site. No swimming is allowed from the dams. Warnings have been published about concerning elevated pollution contaminants in fish caught at the reservoir. Horsetooth Reservoir was constructed by the federal Bureau of Reclamation in 1949. It was part of the Colorado-Big Thompson Project.

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