Willamette River
| Use attributes for filter ! | |
| Length | 301 km |
|---|---|
| Mouth | Columbia River |
| Basin size | 11,478 sq mi (29,730 km2) |
| Sources | Middle Fork Willamette River |
| Coast Fork Willamette River | |
| Bridges | St. Johns Bridge |
| Hawthorne Bridge | |
| Steel Bridge | |
| Did you know | The Willamette National Forest is named after the Willamette River, which begins on the Forest. |
| Date of Reg. | |
| Date of Upd. | |
| ID | 1126408 |
About Willamette River
The Willamette River is a major tributary of the Columbia River, accounting for 12 to 15 percent of the Columbia's flow. The Willamette's main stem is 187 miles long, lying entirely in northwestern Oregon in the United States.
