Uncompahgre National Forest is a U.S. National Forest covering 955,229 acres (1,492.55 sq mi, or 3,865.68 km²) in (in descending order of land area) parts of Montrose, Mesa, San Miguel, Ouray, Gunnison, San Juan, and Delta Counties in western Colorado. Only its headquarters is in Delta County, in the city of Delta. It borders the San Juan National Forest to the south.Within the national forest boundaries can be found the arid Uncompahgre Plateau and the northern portion of the San Juan Mountains. The forest contains three alpine wilderness areas, Uncompahgre (formally the Big Blue), Mount Sneffels and Lizard Head.The Uncompahgre National Forest is managed jointly with the Grand Mesa and Gunnison National Forests headquartered in Delta. There are local ranger district offices located in Montrose and Norwood.