San Juan Mountains Wilderness Act of 2009 - Designates specified lands in the Grand Mesa, Uncompahgre, and Gunnison National Forests and the San Juan Resource Area of the Bureau of Land Management (BLM) in Colorado as wilderness areas and components of the National Wilderness Preservation System.
Designates specified lands in such National Forests and San Juan National Forest as the Sheep Mountain Special Management Area.
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 all forms of: (1) entry, appropriation, or disposal under public land laws; (2) location, entry, and patent under mining laws; and (3) disposition under all laws pertaining to mineral and geothermal leasing or mineral materials.
Sets forth provisions regarding water rights and access to and the operation of water resource facilities in lands designated as wilderness or a special management area by this Act.