| Boulder River Wilderness | |
|---|---|
 | |
   | |
| Location | Snohomish County, Washington, US |
| Nearest city | Darrington, Washington |
| Coordinates | 48°13′30″N 121°48′30″W / 48.22500°N 121.80833°W |
| Area | 48,674 acres (197.0 km2) |
| Established | 1984 |
| Governing body | U.S. Forest Service |
Boulder River Wilderness is a 48,674-acre (197 km2) wilderness area within the Mount Baker-Snoqualmie National Forest in the western Cascade Range of Washington state.
