![]() | Rio GrandeNational Forest - Colorado |
Rio Grande National Forest is located in southwestern Colorado. The forest encompasses the San Luis Valley, which is the world's largest agricultural alpine valley, as well as one of the world's largest high deserts located around mountains. The Rio Grande river rises in the forest, and the Continental Divide runs along most of its western border. The forest lies in parts of nine counties: Saguache, Mineral, Conejos, Rio Grande, Hinsdale, San Juan, Alamosa, Archuleta, and Custer.
featured in
![]() | Colorado Pocket Maps | ![]() |
location
maps

Motor Vehicle Use Map (MVUM) of Pagosa Ranger District in San Juan National Forest (NF) in Colorado. Published by the U.S. Forest Service (USFS).