The Ashdown Gorge Wilderness is located in southwestern Utah, USA, within the arid Colorado Plateau region. The wilderness is within the Dixie National Forest adjacent to Cedar Breaks National Monument and characterized by extremely steep-walled canyon cut through the west rim of the Markagunt Plateau. Elevations in the wilderness range from to . Rattlesnake Creek and Ashdown Creek flow through the wilderness. The wilderness area was designated by the U.S. Congress in 1984 and is administered is by the United States Forest Service.
Like the more famous Cedar Breaks National Monument, Ashdown Gorge is known for its multicolored rock formations and plateau-top stands of 1,000 year old bristlecone pine. The Gorge is named after the family of George Ashdown who set up a sawmill there in 1898. Today there are of private land inholding mostly surrounded by the wilderness.
In 2006, Iron County officials were considering a proposal to expand Cedar Breaks National Monument to include the A (from [www.wikipedia.org](http://www.wikipedia.org/wiki/Ashdown_Gorge_Wilderness).