Coast Fork Willamette River

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.

Coast Fork Willamette River
The Coast Fork Willamette River
Map of the Willamette River basin with the Coast Fork highlighted
Location of the mouth of the Coast Fork Willamette River in Oregon
EtymologyWillamette is from a similar Clackamas Indian village name
Location
CountryUnited States
StateOregon
CountyLane
Physical characteristics
SourceConfluence of Big River and Garoutte Creek
  locationCalapooya Mountains, Oregon
  coordinates43°35′44″N 123°4′4″W
  elevation990 ft (300 m)
MouthWillamette River
  location
near Eugene and Springfield, Oregon
  coordinates
44°1′23″N 123°1′25″W
  elevation
436 ft (133 m)
Length40 mi (64 km)
Basin size666 sq mi (1,720 km2)
Discharge 
  locationGoshen, 6.4 miles (10.3 km) from the mouth
  average1,558 cu ft/s (44.1 m3/s)
  minimum36 cu ft/s (1.0 m3/s)
  maximum58,500 cu ft/s (1,660 m3/s)
Basin features
Tributaries 
  rightRow River
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