List of wilderness study areas

This is a list of some of the wilderness study areas (WSA) in the United States as of January 2026. Wilderness study areas are designated lands that meet criteria of the Wilderness Act and are managed as wilderness by their parent agency, pending final determination by Congress.

Bureau of Land Management wilderness study areas

These areas are administered as part of the National Conservation Lands managed by the Bureau of Land Management.

States with BLM wilderness study areas +States with Wilderness Study AreasStateNumber of areasTotal areaAlaska1Arizona2California59Colorado53Idaho40Montana35Nevada56New Mexico48Oregon87Utah77Washington1Wyoming42Total487* There are some wilderness study areas that cross state boundaries

BLM wilderness study areas