The Sangre de Cristo Wilderness is a long and narrow wilderness area covering 220,803 acres (893.56 km2) of the Sangre de Cristo Range centered about Saguache and Custer counties, Colorado. Smaller areas are located in Fremont, Alamosa, and Huerfano counties. All of the wilderness area is located on U.S. Forest Service land within the San Isabel and Rio Grande National Forests and Great Sand Dunes National Park and Preserve. The wilderness area is home to several fourteeners and quite a few thirteeners. Crestone Needle is considered the most difficult.