Middle Santiam River
Tributary of the South Santiam River in America / From Wikipedia, the free encyclopedia
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The Middle Santiam River is a tributary of the South Santiam River, 38.5 miles (62.0 km) 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.
Middle Santiam River | |
---|---|
Etymology | Kalapuya tribe that lived near the river until removal to the Grande Ronde Reservation[1] |
Location | |
Country | United States |
State | Oregon |
County | Linn |
Physical characteristics | |
Source | Iron Mountain |
• location | Cascade Range, Willamette National Forest, Linn County, Oregon |
• coordinates | 44°24′09″N 122°09′43″W[2] |
• elevation | 4,149 ft (1,265 m)[3] |
Mouth | South Santiam River |
• location | Foster Reservoir, Linn County, Oregon |
• coordinates | 44°24′58″N 122°38′02″W[2] |
• elevation | 640 ft (200 m)[2] |
Length | 39 mi (63 km)[4] |
Basin size | 104 sq mi (270 km2)[5] |
It rises in the Cascades in eastern Linn County in the Willamette National Forest, about half a mile west of Iron Mountain. It flows briefly north, then generally west and southwest through the mountains and Middle Santiam Wilderness. In central Linn County it is impounded at the Green Peter Dam to form the Green Peter Reservoir. Approximately 4 miles (6 km) downstream from the dam it joins the South Santiam from the northeast as an arm of Foster Reservoir.
location | geolocation | usgs map |
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mouth, Foster Lake | 44.416235°N 122.633972°W / 44.416235; -122.633972 (Middle Santiam River mouth RM 0) | Sweet Home |
junction Quartzville Creek Green Peter Lake | 44.476235°N 122.500638°W / 44.476235; -122.500638 (Middle Santiam River RM 8.9) | Cascadia |
RM 15.4 | 44.500401°N 122.395636°W / 44.500401; -122.395636 (Middle Santiam River RM 15.4) | Yellowstone Mountain |
RM 25.3 | 44.517068°N 122.250632°W / 44.517068; -122.250632 (Middle Santiam River RM 25.3) | Chimney Peak |
source | 44.402623°N 122.162015°W / 44.402623; -122.162015 (Middle Santiam River source, RM 38.5) | Harter Mountain |