Devils Backbone Wilderness is a protected area in Missouri that is maintained by the United States Forest Service and was designated as such by the United States Congress in 1980. The wilderness area now has a total of 6,687 acres (2,706 ha). Devils Backbone is located within the Willow Springs portion of the Ava-Cassville-Willow Springs Ranger District, of the Mark Twain National Forest, near Willow Springs. It was named for a prominent ridge down the center of the area. Devils Backbone Wilderness is one of eight wilderness areas protected and preserved in Missouri.