The South Santiam River is a tributary of the

Santiam River The Santiam River is a tributary of the Willamette River, about long, in western Oregon in the United States. Through its two principal tributaries, the North Santiam and the South Santiam rivers, it drains a large area of the Cascade Range a ...

, about long, in western

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 ...

in the United States. It drains 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, ...

into 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, ...

east of Corvallis. It rises in the Cascades in southeastern Linn County in the

Willamette National Forest The Willamette National Forest is a National Forest located in the central portion of the Cascade Range of the U.S. state of Oregon. It comprises . Over 380,000 acres (694 mi2, 1,540 km2) are designated wilderness which include seven ...

at . From this source, the confluence of Sevenmile and Squaw creeks, it flows briefly north, then generally west through the

Western Cascades The Western Cascades is a region of the U.S. state of Oregon between the Willamette Valley and the High Cascades. Deposits of Western Cascades age are also found in adjacent southwest Washington state. The range contains many extinct shield vol ...

and Cascadia. It then flows a handful of miles before entering

Foster Reservoir Foster Reservoir is a reservoir created by Foster Dam on the South Santiam River in the city of Foster, Oregon, United States. The reservoir is approximately long and covers approximately when full. Primary use of the reservoir is recreation i ...

. At Foster Reservoir the

Middle Santiam River The Middle Santiam River is a tributary of the South Santiam River, long, in western Oregon in the United States. It drains a remote area of the Cascade Range east of Sweet Home in the watershed of the Willamette River. It rises in the Cascade ...

joins the South Santiam. Downstream from the reservoir it flows west past

Sweet Home Sweet Home or Sweethome may refer to: Places in the United States * Sweet Home, Arkansas * Sweet Home Central School District in Amherst and Tonawanda, New York ** Sweet Home High School (Amherst, New York), a New York State public high school * ...

, where it turns northwest, passing through the foothills into the Willamette Valley near

Lebanon Lebanon ( , ar, لُبْنَان, translit=lubnān, ), officially the Republic of Lebanon () or the Lebanese Republic, is a country in Western Asia. It is located between Syria to the north and east and Israel to the south, while Cyprus li ...

. It joins the

North Santiam River The North Santiam River is a tributary of the Santiam River in western Oregon in the United States. It drains of the Cascade Range on the eastern side of the Willamette Valley east of Salem. It rises in the high Cascades in eastern Linn count ...

from the southeast to form the Santiam approximately northeast of Lebanon, about east of the confluence of the Santiam with 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 ...

U.S. Route 20 U.S. Route 20 or U.S. Highway 20 (US 20) is an east–west United States Numbered Highway that stretches from the Pacific Northwest east to New England. The "0" in its route number indicates that US 20 is a major coast-to-coast route. S ...

follows the valley of the river from near its headwaters in the mountains to the Willamette Valley northwest of Lebanon.

Tributaries

Named tributaries from source to

mouth In animal anatomy, the mouth, also known as the oral cavity, or in Latin cavum oris, is the opening through which many animals take in food and issue vocal sounds. It is also the cavity lying at the upper end of the alimentary canal, bounded on ...

are Sevenmile and Squaw creeks at the headwaters, then Three, Sheep, Elk, Soda Fork, Stewart, and Keith creeks. Then come Boulder, Little Boulder, Trout, Falls, Moose, Canyon, and Wolfe creeks. Further downstream are Dobbin, Soda, Cabin, Bucksnort, Mouse, and Deer creeks. Below those are Shot Pouch Creek and the Middle Santiam River. Then come Ralston, Gadney, Wiley,

Ames Ames may refer to: Places United States * Ames, Arkansas, a place in Arkansas * Ames, Colorado * Ames, Illinois * Ames, Indiana * Ames, Iowa, the most populous city bearing this name * Ames, Kansas * Ames, Nebraska * Ames, New York * Ames, Ok ...

, Roaring, McDowell, Hamilton, and Onehorse creeks followed by Spring Branch. Entering the lower reaches of the river are Crabtree,

Thomas Thomas may refer to: People * List of people with given name Thomas * Thomas (name) * Thomas (surname) * Saint Thomas (disambiguation) * Thomas Aquinas (1225–1274) Italian Dominican friar, philosopher, and Doctor of the Church * Thomas the A ...

, and Mill creeks, and the North Santiam River.

References

External links

North Santiam Watershed Council

South Santiam Watershed Council

{{authority control Rivers of Oregon Rivers of Linn County, Oregon

Tributaries

See also

References

External links