There are 663 wilderness areas in the United States covering almost 106 million acres. This is an area larger than the state of California, or about the size of Oregon and Washington put together. In Alaska, there are 58,182,216 acres of wilderness. This represents about 56% of the wilderness acreage in the United States. Within the DOI, the National Park Service has oversight of 44 million acres of wilderness at 44 locations. The U.S. Fish and Wildlife Service has responsibility for nearly 21 million acres in 71 areas. The Bureau of Land Management oversees more than 6.5 million acres at 161 unique sites.

Outside of DOI, at the Department of Agriculture, the U.S. Forest Service oversees nearly 35 million acres of wilderness areas in 400 areas.

For more Information visit:
Summary of DOI's Wilderness Settlement Proposal
Wilderness In America
Bureau of Land Management Wilderness Site
U.S. Fish and Wildlife Service Wilderness Site
National Park Service Wilderness Site