Willamette River
| Willamette River | ||
 |
||
| Data | ||
| Water code | US : 1158060 | |
| location | Oregon (USA) | |
| River system | Columbia River | |
| Drain over | Columbia River → Pacific Ocean | |
| origin | The confluence of the Coast Fork Willamette River and Middle Fork Willamette River at Springfield 44 ° 1 ′ 23 ″ N , 123 ° 1 ′ 25 ″ W |
|
| Source height | 134 m | |
| muzzle | at Portland in the Columbia River Coordinates: 45 ° 39 '10 " N , 122 ° 45' 53" W 45 ° 39 '10 " N , 122 ° 45' 53" W. |
|
| Mouth height | 3 m | |
| Height difference | 131 m | |
| Bottom slope | 0.44 ‰ | |
| length | 301 km | |
| Catchment area | 29,800 km² | |
| Discharge at Morrison Bridge gauge, Portland Location: 20.6 km above the estuary |
MNQ MQ MHQ |
100 m³ / s 900 m³ / s 11,900 m³ / s |
| Left tributaries | Long Tom River , Marys River , Luckiamute River , Yamhill River , Tualatin River | |
| Right tributaries | McKenzie River , Calapooia River , Santiam River , Molalla River , Clackamas River | |
| Big cities | Eugene , Salem , Portland | |
| Medium-sized cities | Corvallis , Albany , Oregon City | |
 Fremont Bridge over the Willamette River in Portland |
||
The Willamette River is a tributary of the Columbia River approximately 300 kilometers in length in northwestern Oregon .
course
The Willamette River is created by the confluence of the Coast Fork Willamette River and Middle Fork Willamette River near Springfield (Oregon) and flows into the Columbia River near Portland .
Tributaries
Larger tributaries of the Willamette are the McKenzie River (km 282, r), Long Tom River (km 240, l), Marys River (km 212, l), Calapooia River (km 190, r), Santiam River (km 174, r ), Luckiamute River (km 174, l), Yamhill River (km 89, l), Molalla River (km 58, r), Tualatin River (km 45, l) and the Clackamas River (km 40, r).
Willamette Valley
The Willamette Valley formed by the river was one of the first settlements of the pioneers and settlers in the Pacific Northwest who moved west on the Oregon Trail . In the 20th century, agriculture specialized in viticulture .
