Summary Fact Sheet

The National Wilderness Preservation System currently contains 803 wilderness areas comprising 111,365,114 acres.
National Wilderness Preservation System
Agency Units Federal
Acreage
Bureau of Land Management 260 9,977,742
Fish and Wildlife Service 71 20,703,041
Forest Service 448 36,653,771
National Park Service 61 44,030,560

Total 840* 111,365,114

Continental United States, Hawaii, Puerto Rico
Agency Units Federal
Acreage
Bureau of Land Management 260 9,977,742
Fish and Wildlife Service 50 2,010,426
Forest Service 429 30,887,021
National Park Service 53 11,051,154

Total 792* 53,926,343





Alaska
Agency Units Federal
Acreage
Fish and Wildlife Service 21 18,692,615
Forest Service 19 5,766,750
National Park Service 8 32,979,406

Total 48* 57,438,771

* Wilderness areas that are managed by more than one agency are counted as a unit by each agency. Data last updated on 2/20/19 (acreages updated to be consistent with the Forest Service 2018 Land Area Report).