Blue River (Oregon)
| Blue River | |
 Flowing through the forest
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| Country | United States |
|---|---|
| State | Oregon |
| County | Lane and Linn |
| Source | Confluence of Wolf Creek and Mann Creek |
| - location | Willamette National Forest, Cascade Range, Linn County |
| - elevation | 2,504 ft (763 m) |
| - coordinates | 44°17′41″N 122°10′17″W / 44.29472°N 122.17139°W |
| Mouth | McKenzie River |
| - location | Blue River, Lane County |
| - elevation | 1,040 ft (317 m) |
| - coordinates | 44°09′15″N 122°20′42″W / 44.15417°N 122.34500°WCoordinates: 44°09′15″N 122°20′42″W / 44.15417°N 122.34500°W |
| Length | 17 mi (27 km) |
| Basin | 87 sq mi (225 km2) |
| Discharge | for near Blue River, 0.9 miles (1.4 km) from the mouth |
| - average | 457 cu ft/s (13 m3/s) |
| - max | 7,270 cu ft/s (206 m3/s) |
| - min | 0.80 cu ft/s (0 m3/s) |
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  Location of the mouth of the Blue River in Oregon
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Blue River is a tributary of the McKenzie River in Linn and Lane counties in the U.S. state of Oregon. From its source at the confluence of Mann and Wolf creeks in the Cascade Range, it flows generally southwest to join the McKenzie near the community of Blue River. Saddle Dam and Blue River Dam block the river about 2 miles (3 km) from its mouth to form Blue River Reservoir, a multipurpose impoundment built in 1968 by the United States Army Corps of Engineers.
The river's watershed lies almost entirely within the Willamette National Forest, dominated by western hemlock and Douglas-fir. Blue River was named for the striking blue color that apparently comes from its rocky bed.
Blue River begins on the western slopes of the Cascade Range at the confluence of Mann and Wolf creeks in Linn County, slightly north of its border with Lane County. Descending from an elevation of about 2,500 feet (760 m) above sea level, the river flows generally southwest through the Willamette National Forest. Forest Road 15 follows the river along its from its source to about river mile (RM) 9 or river kilometer (RK) 14.
The upper river receives Quentin Creek from the right before crossing the border into Lane County. Just southwest of the border, the river receives Cook Creek, also from the right. Just beyond RM 9 (RK 14), the river passes under Forest Road 15 and receives Tidbits Creek from the right. At this point, the river turns sharply south, and Forest Road 15 runs along its . Just before entering Blue River Reservoir, about 8 miles (13 km) from the mouth, the river receives Mona Creek from the right and passes under Forest Road 120, which leads to Mona Campground.
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Wikipedia