List of wilderness areas of the United States
The National Wilderness Preservation System includes 803 Wilderness Areas protecting of federal land as of 2019. They are managed by four agencies:
These wilderness areas cover about 4.5% of the United States' land area, an area larger than the state of California. About 52% of the wilderness area is in Alaska, with of wilderness. They are located in 44 states and Puerto Rico.
The National Park Service has oversight of of wilderness at 61 locations. The U.S. Fish and Wildlife Service has responsibility for in 71 areas. The Bureau of Land Management oversees at 224 unique sites. The Department of Agriculture, the U.S. Forest Service oversees of wilderness areas in 447 areas. Some wilderness areas are managed by multiple agencies, so the above totals exceed the actual number of units in the system.
Some areas are designated wilderness by state or tribal governments. These are not governed by the Federal National Wilderness Preservation System.
This table lists all U.S. areas that have been designated by the United States Congress under the Wilderness Act. The listed designation date is the date that the wilderness was signed into law. Some areas have been expanded or otherwise changed since the original designation date.