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Santiam River
Santiam River near I-5.JPG
Near Interstate 5 in Linn County
Santiamrivermap.png
Map of the Willamette River watershed with the Santiam River highlighted
Santiam River is located in Oregon
Santiam River
Location of the mouth of the Santiam River in Oregon
Country United States
State Oregon
County Linn and Marion
Physical characteristics
Main source confluence of North Santiam and South Santiam rivers
Linn and Marion counties, Oregon
222 ft (68 m)
44°41′21″N 123°00′27″W / 44.68917°N 123.00750°W / 44.68917; -123.00750
River mouth Willamette River
between Albany and Salem, Marion County, Willamette Valley, Oregon
164 ft (50 m)
44°45′00″N 123°08′20″W / 44.75000°N 123.13889°W / 44.75000; -123.13889
Length 12 mi (19 km)
Basin features
Basin size 1,830 sq mi (4,700 km2)

The Santiam River is a river in western Oregon, United States. It flows into the Willamette River. The Santiam River is about 12 miles (19 km) long.

It gets its water from two main rivers: the North Santiam River and the South Santiam River. These rivers start in the Cascade Range. This mountain range is east of cities like Salem and Corvallis.

Where Does the Santiam River Start and End?

The Santiam River itself is quite short. It begins in the Willamette Valley. This is where the North Santiam and South Santiam rivers meet. This meeting point is on the border of Linn and Marion counties. It's about 8 miles (13 km) northeast of Albany.

From there, the river flows generally towards the west-northwest. It has a slow, winding path, which is called a meander. The Santiam River then joins the Willamette River. This happens about 8 miles (13 km) north of Albany.

The North and South Santiam Rivers

Both the North and South Santiam rivers begin high up in the Cascade Mountains. These mountains are in eastern Linn County.

The Middle Santiam River joins the South Santiam River. At this point, the South Santiam is held back by a dam. This creates a lake called Foster Lake.

The North Santiam River is also held back by a dam. This forms Detroit Lake. Detroit Lake is very deep, about 400 feet (120 m) deep. The Santiam River is an important source of water for the city of Salem.

Historical Events of the Santiam River

The Santiam River has seen some big events. One important event was the Great Willamette Flood of 1861. This flood happened on December 2. It caused a lot of damage to buildings and farms near where the Santiam River meets the Willamette River. Many animals were also affected.

Protecting the Santiam River Area

The Santiam River Zone is a special area. It has a team of firefighters called the Santiam Type 2 initial attack hand crew. There are also two fire engines. These teams are based out of the Detroit Ranger District.

Other fire crews from the Willamette National Forest also help. They are located in the Mckenzie and Middle Fork Ranger Districts. These teams work to protect the forests and lands around the river.

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