The Middle Fork Willamette River is one of several forks that unite to form the

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 long, lying entirely in northwestern Oregon in the United States. Flowing northward b ...

in the western part of the

U.S. state In the United States, a state is a constituent political entity, of which there are 50. Bound together in a political union, each state holds governmental jurisdiction over a separate and defined geographic territory where it shares its sover ...

Oregon Oregon () is a U.S. state, state in the Pacific Northwest region of the Western United States. The Columbia River delineates much of Oregon's northern boundary with Washington (state), Washington, while the Snake River delineates much of it ...

. It is approximately long, draining an area of the

Cascade Range The Cascade Range or Cascades is a major mountain range of western North America, extending from southern British Columbia through Washington and Oregon to Northern California. It includes both non-volcanic mountains, such as the North Cascades, ...

southeast of Eugene, which is at the southern end of the

Willamette Valley The Willamette Valley ( ) is a long valley in Oregon, in the Pacific Northwest region of the United States. The Willamette River flows the entire length of the valley and is surrounded by mountains on three sides: the Cascade Range to the east, ...

Course

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 The Calapooya Mountains are a mountain range in Lane and Douglas counties of southwestern Oregon in the United States. The range runs for approximately west from the Cascade Range between Eugene on the north and Roseburg on the south. Geology ...

, to the vicinity of Eugene and

Springfield Springfield may refer to: * Springfield (toponym), the place name in general Places and locations Australia * Springfield, New South Wales (Central Coast) * Springfield, New South Wales (Snowy Monaro Regional Council) * Springfield, Queenslan ...

, where it joins the

Coast Fork Willamette River The Coast Fork Willamette River is one of two forks that unite to form the Willamette River in western Oregon in the United States. It is about long, draining an area of the mountains at the south end of the Willamette Valley south of Eugene. Co ...

to form the

proper. Just south (upriver) of Oakridge, the Middle Fork is impounded in

Hills Creek Reservoir Hills Creek Reservoir, also known as Hills Creek Lake, is an artificial impoundment behind Hills Creek Dam on the Middle Fork Willamette River in the U.S. state of Oregon. The lake is near Oakridge in Lane County about southeast of Eugene, at ...

, created by

Hills Creek Dam Hills Creek Dam is a dam about southeast of Oakridge in Lane County, Oregon, United States. It impounds Hills Creek Reservoir, which has a surface area of and a shoreline of roughly , on the Middle Fork Willamette River. Constructed in 1961 b ...

. 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 Dexter Reservoir (also known as Dexter Lake) is a reservoir in Lane County, in the U.S. state of Oregon. It is about southeast of Eugene on the Middle Fork Willamette River, immediately downriver from Lookout Point Lake, another reservoir. Th ...

. Fall Creek enters from the right below Dexter before the Middle Fork joins the Coast Fork in Springfield to form the

main stem In hydrology, a mainstem (or trunk) is "the primary downstream segment of a river, as contrasted to its tributaries". Water enters the mainstem from the river's drainage basin, the land area through which the mainstem and its tributaries flow.. A ...

Willamette River.

Tributaries

Named tributaries from source to mouth are Beaver, Tumblebug, Royal, Fizz, Indigo, Found, Skunk, Swift, Mac, and Echo creeks. Then come Staley, Maple, Simpson, Gravel, Deadhorse, Jims, Coal, Youngs, and What Creek. Further downstream are Indian, Dry, Spring Butte, Boulder, Butcherknife, Snake, Fy, Emile, Estep, and Bohemia creeks. Bills, Cone, Buck, Gold, and Windfall creeks are next, followed by a series of streams that enter the river via Hills Creek Reservoir. They are Snow, Coffeepot, Big Willow, Little Willow, Stony, Bull, Packard, Modoc, Larlson, and Hills creeks. Downstream of Hills Lake Reservoir come Salt, Salmon, Shortridge, Gray, Spot, and Chillo creeks, followed by the North Fork Willamette River. Then come Deception, Dell, Buckhead, Bridge, Tire, Whitehead, Rock, and Hospital creeks. Entering the Middle Fork via Lookout Point Reservoir are Duval, Carpet Hill, Schweitzer, South, North, Armet, Harper, Cain, School, Rhodes, Crale, Goodman, Fern, Bannister, Hazel, Rolling Riffle, and Minnow creeks. Noisy Creek enters the river via Dexter Reservoir. Below the reservoir come Lost Creek, then Fall Creek, Alder, Rattlesnake, Hills, Wallace, and Pudding creeks before the Middle Fork meets the Coast Fork to form the Willamette.

References

External links

Lower Middle Fork Willamette River Watershed Assessment
(PDF) for the Middle Fork Willamette Watershed Council

{{authority control Tributaries of the Willamette River Rivers of Douglas County, Oregon Rivers of Lane County, Oregon Rivers of Oregon

Course

Tributaries

See also

References

External links