Summary Fact Sheet

The National Wilderness Preservation System currently contains 765 wilderness areas comprising 109,129,657 acres.
National Wilderness Preservation System
Agency Units Federal
Acreage
Bureau of Land Management 224 8,760,478
Fish and Wildlife Service 71 19,862,488
Forest Service 445 36,574,689
National Park Service 61 43,932,002

Total 801* 109,129,657

Continental United States, Hawaii, Puerto Rico
Agency Units Federal
Acreage
Bureau of Land Management 224 8,760,478
Fish and Wildlife Service 50 2,009,873
Forest Service 426 30,830,862
National Park Service 53 10,952,596

Total 753* 52,553,809





Alaska
Agency Units Federal
Acreage
Fish and Wildlife Service 21 17,852,615
Forest Service 19 5,743,827
National Park Service 8 32,979,406

Total 48* 56,575,848

* Wilderness areas that are managed by more than one agency are counted as a unit by each agency. Data last updated on 9/21/15 (National Park Service acreages updated to be consistent with 2013-2014 wilderness report).