Middle Fork Willamette River
| Middle Fork Willamette River | |
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| Country | United States |
|---|---|
| State | Oregon |
| Counties | Douglas and Lane |
| Tributaries | |
| - right | Salt Creek, North Fork Middle Fork Willamette River |
| Source | Timpanogas Lake, Cascade Range |
| - elevation | 5,552 ft (1,692 m) |
| - coordinates | 43°24′48″N 122°07′20″W / 43.41333°N 122.12222°W |
| Mouth | Willamette River |
| - location | between Eugene and Springfield |
| - elevation | 440 ft (134 m) |
| - coordinates | 44°01′23″N 123°01′25″W / 44.02306°N 123.02361°WCoordinates: 44°01′23″N 123°01′25″W / 44.02306°N 123.02361°W |
| Length | 115 mi (185 km) |
| Basin | 1,340 sq mi (3,471 km2) |
| Discharge | for Jasper |
| - average | 4,087 cu ft/s (116 m3/s) |
| - max | 94,000 cu ft/s (2,662 m3/s) |
| - min | 366 cu ft/s (10 m3/s) |
 Map of the Willamette River watershed with the Middle Fork highlighted
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  Location of the mouth of the Middle Fork Willamette River in Oregon
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The Middle Fork Willamette River is one of several forks that unite to form the Willamette River in the western part of the U.S. state of Oregon. It is approximately 115 miles (185 km) long, draining an area of the Cascade Range southeast of Eugene, which is at the southern end of the Willamette Valley.
The Middle Fork Willamette River is formed in northeastern Douglas County by the joining of several small headwater streams near Emigrant Pass. The river flows generally north into Lane County, through the Calapooya Mountains, to the vicinity of Eugene and Springfield, where it joins the Coast Fork Willamette River to form the Willamette River proper.
Just south (upriver) of Oakridge, the Middle Fork is impounded in Hills Creek Reservoir, created by Hills Creek Dam. Below the dam, the river receives Salt Creek and then Salmon Creek at Oakridge. At Westfir, the Middle Fork is joined by the North Fork Middle Fork Willamette River from the right bank. Below this confluence, the Middle Fork is impounded by two more reservoirs, Lookout Point Reservoir and Dexter Reservoir. Fall Creek enters from the right below Dexter before the Middle Fork joins the Coast Fork in Springfield to form the main stem Willamette River.
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Wikipedia