The Blue Mesa Dam is a concrete arch dam located on the Gunnison River in Colorado, USA. Completed in 1966, it is the largest reservoir in the state, creating the Blue Mesa Reservoir. The dam serves multiple purposes, including water storage, flood control, and hydroelectric power generation. The reservoir is part of the Gunnison River Basin and plays a crucial role in irrigation and recreation. It is managed by the U.S. Bureau of Reclamation and is a popular destination for activities such as fishing, boating, and camping, attracting visitors to the scenic landscape of the Gunnison National Forest.