Newaukum River

The Newaukum River is a tributary of the Chehalis River in the U.S. state of Washington. It has three main branches, the North Fork, South Fork, and Middle Fork Newaukum Rivers. The length of the three forks and the mainstem river is 56.7 miles (91.2 km).

Newaukum River
South Fork crossing SR 508
Location of the mouth of the Newaukum River in Washington
Location
CountryUnited States
StateWashington
CountyLewis
Physical characteristics
SourceConfluence of North and South Forks
  coordinates46°36′18″N 122°51′19″W
MouthChehalis River
  coordinates
46°39′4″N 122°58′54″W
  elevation
161 ft (49 m)
Length10.9 mi (17.5 km)
Basin size173 sq mi (450 km2)
Discharge 
  locationriver mile 4.1 near Chehalis, WA
  average500 cu ft/s (14 m3/s)
  minimum14 cu ft/s (0.40 m3/s)
  maximum10,200 cu ft/s (290 m3/s)

The river's name comes from the Upper Chehalis word náwaqwəm, meaning "big prairie".

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