Coast Fork Willamette River

Coast Fork Willamette River
The Coast Fork Willamette River
Name origin: Willamette is from a similar Clackamas Indian village name[1]
Country United States
State Oregon
County Lane
Tributaries
 - right Row River
Source Confluence of Big River and Garoutte Creek
 - location Calapooya Mountains, Oregon
 - elevation 990 ft (302 m) [2]
 - coordinates 43°35′44″N 123°4′4″W / 43.59556°N 123.06778°W / 43.59556; -123.06778 [3]
Mouth Willamette River
 - location near Eugene and Springfield, Oregon
 - elevation 436 ft (133 m) [3]
 - coordinates 44°1′23″N 123°1′25″W / 44.02306°N 123.02361°W / 44.02306; -123.02361Coordinates: 44°1′23″N 123°1′25″W / 44.02306°N 123.02361°W / 44.02306; -123.02361 [3]
Length 40 mi (64 km) [4]
Basin 666 sq mi (1,725 km2) [5]
Discharge for Goshen, 6.4 miles (10.3 km) from the mouth
 - average 1,558 cu ft/s (44 m3/s) [6]
 - max 58,500 cu ft/s (1,657 m3/s)
 - min 36 cu ft/s (1 m3/s)
Map of the Willamette River basin with the Coast Fork highlighted
Location of the mouth of the Coast Fork Willamette River in Oregon

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 40 miles (64 km) long, draining an area of the mountains at the south end of the Willamette Valley south of Eugene.

Course

The Coast Fork Willamette River is formed in southwestern Lane County, in the Calapooya Mountains, by the confluence of the Little River and the Big River. The Coast Fork flows north through the mountains, through the Cottage Grove Lake reservoir, to Cottage Grove, where it receives the Row River from the southeast. It continues north past Creswell and joins the Middle Fork from the south, about 2 miles (3 km) southeast of Eugene, to form the Willamette.

See also

References

  1. ↑ Bright, William (2004). Native American Placenames of the United States. Norman, Oklahoma: University of Oklahoma Press. p. 567. ISBN 978-0-8061-3598-4.
  2. ↑ Source elevation derived from Google Earth search using GNIS source coordinates.
  3. 1 2 3 "Coast Fork Willamette River". Geographic Names Information System (GNIS). United States Geological Survey. November 28, 1980. Retrieved August 4, 2010.
  4. ↑ United States Geological Survey (USGS). "United States Geological Survey Topographic Map: Harness Mountain, Oregon, Quadrant". TopoQuest. Retrieved August 3, 2010. The map includes river-mile markers from mouth to source.
  5. ↑ "Coast Fork Willamette". Willamette Riverkeeper. Retrieved August 4, 2010.
  6. ↑ "Water-data report 2009: 14157500 Coast Fork Willamette River near Goshen, OR" (pdf). United States Geological Survey. Retrieved April 22, 2011.
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