| Tillamook State Forest | |
|---|---|
 Tillamook State Forest, February 2010 | |
 | |
| Type | Public, state |
| Location | Oregon, United States |
| Coordinates | 45°32′21″N 123°17′20″W / 45.539278°N 123.289001°W |
| Area | 364,000 acres (1,470 km2) |
| Created | 1973 |
| Operated by | Oregon Department of Forestry |
The Tillamook State Forest is a 364,000-acre (1,470 km2) publicly owned forest in the U.S. state of Oregon. Managed by the Oregon Department of Forestry, it is located 40 miles (64 km) west of Portland in the Northern Oregon Coast Range, and spans Washington, Tillamook, Yamhill, and Clatsop counties. The forest receives large amounts of precipitation and is dominated by Douglas-fir trees. Activities include commercial logging, recreation, and other commercial resource extraction activities such as mushroom hunting.