Cottonwood Canyon Wilderness is a 11,712-acre (47.4 km2) wilderness area in the US state of Utah. It was designated March 30, 2009, as part of the Omnibus Public Land Management Act of 2009. Located adjacent to the southern edge of the Dixie National Forest, it encompasses and protects a transition zone between the Colorado Plateau to the east and the Mojave Desert to the west. It is bordered by the Cottonwood Forest Wilderness to the northeast and is itself a part of the Red Cliffs National Conservation Area.