The U.S. state of Oregon contains eleven national forests.
| Name | Location | Area (acres) | Area (km2) | Established | Annual visitors (2006)[1] |
|---|---|---|---|---|---|
| Deschutes | Deschutes, Klamath, Lake, and Jefferson counties | 1,596,900 | 6,462 | July 1, 1908 | 3,162,000 |
| Fremont–Winema | Lake, Klamath counties | 2,252,587 | 9,115.90 | 2002 | 428,000 |
| Malheur | Grant, Harney, Baker, and Malheur counties | 1,465,287 | 5,929.81 | July 1, 1908 | 242,000 |
| Mount Hood | Clackamas, Hood River, Wasco, Multnomah, Marion, and Jefferson counties | 1,071,466 | 4,336.07 | July 1, 1908 | 4,400,000 |
| Ochoco | Crook, Harney, Wheeler, Grant counties | 851,033 | 3,444.01 | July 1, 1911 | 575,000 |
| Rogue River–Siskiyou | Coos, Curry, Douglas, Jackson, Josephine, and Klamath counties in Oregon; Del Norte, and Siskiyou counties in California | 1,723,179 | 6,973.46 | 2004 (1906) | 916,000 |
| Siuslaw | Lane, Lincoln, Tillamook, Douglas, Yamhill, Benton, Coos, and Polk counties | 634,207 | 2,566.54 | July 1, 1908 | 1,017,000 |
| Umatilla | Umatilla, Grant, Columbia, Morrow, Wallowa, Union, Wheeler counties in Oregon; Garfield, Asotin, Walla Walla counties of Washington | 1,407,087 | 5,694.28 | July 1, 1908 | 703,000 |
| Umpqua | Douglas, Jackson, Lane counties | 983,129 | 3,978.58 | July 2, 1907 | 799,000 |
| Wallowa–Whitman | Wallowa, Baker, Union, Grant, and Umatilla counties | 2,392,508 | 9,682.14 | May 6, 1905 | 505,000 |
| Willamette | Lane, Linn, Marion, Douglas, Clackamas, and Jefferson counties | 1,675,407 | 6,780.13 | July 1, 1933 | 1,740,000 |
| Total | 16,784,978 | 67,926.40 | 14,487,000 |