San Juan Mountains Wilderness Act of 2011- Designates specified lands in the Grand Mesa, Uncompahgre, and Gunnison National Forests and specified land of the Bureau of Land Management (BLM) in Colorado as wilderness areas and components of the National Wilderness Preservation System (NWPS).
Designates specified lands in such National Forests and San Juan National Forest as the Sheep Mountain Special Management Area.
Sets forth provisions regarding water rights in the lands designated as wilderness or a special management area by this Act.
Withdraws lands designated as wilderness or a special management area under this Act, as well as land within the Naturita Canyon Mineral Withdrawal Area, from: (1) entry, appropriation, and disposal under public land laws; (2) location, entry, and patent under mining laws; and (3) operation of the mineral leasing, mineral materials, and geothermal leasing laws.
Releases certain parts of the Dominguez Canyon Wilderness Study Area that were not designated as wilderness by this Act from further study for designation as wilderness.