Nehalem River
Nehalem Bay at the mouth of the Nehalem River on the Pacific Ocean
Nehalem River is located in Oregon
Nehalem River
Location of the mouth of the Nehalem River in Oregon
EtymologySalish for "place where people live"[1]
Location
CountryUnited States
StateOregon
CountyWashington, Columbia, Clatsop, Tillamook
Physical characteristics
SourceNorthern Oregon Coast Range
  locationGiveout Mountain, Tillamook County, Oregon
  coordinates45°43′53″N 123°25′26″W / 45.73139°N 123.42389°W / 45.73139; -123.42389[2]
  elevation2,424 ft (739 m)[3]
MouthNehalem Bay
  location
near Nehalem, Tillamook County, Oregon
  coordinates
45°39′29″N 123°56′04″W / 45.65806°N 123.93444°W / 45.65806; -123.93444[2]
  elevation
0 ft (0 m)[2]
Length118.5 mi (190.7 km)[4]
Basin size855 sq mi (2,210 km2)[4]
Discharge 
  locationnear Foss, 13.5 miles (21.7 km) from mouth[5]
  average2,653 cu ft/s (75.1 m3/s)[5]
  minimum34 cu ft/s (0.96 m3/s)
  maximum70,300 cu ft/s (1,990 m3/s)

The Nehalem River is a river on the Pacific coast of northwest Oregon in the United States, approximately 119 miles (192 km) long. It drains part of the Northern Oregon Coast Range northwest of Portland, originating on the east side of the mountains and flowing in a loop around the north end of the range near the mouth of the Columbia River. Its watershed of 855 square miles (2,210 km2) includes an important timber-producing region of Oregon that was the site of the Tillamook Burn. In its upper reaches it flows through a long narrow valley of small mountain communities but is unpopulated along most of its lower reaches inland from the coast.

It rises in the northeast corner of Tillamook County, in the Tillamook State Forest. It initially flows northeast, across the northwest corner of Washington County and into western Columbia County, past Vernonia where it receives Rock Creek, it hooks to the northwest and west into Clatsop County, then flows southwest back into northern Tillamook County. It enters Nehalem Bay on the Pacific in an estuary at Nehalem, about 70 miles (110 km) west-northwest of Portland. Near its mouth on the Pacific, the river passes under U.S. Route 101.

It receives the Salmonberry River from the east in northern Tillamook County. It also receives the North Fork Nehalem River 25 miles (40 km) from the north about 2 miles (3.2 km) northwest of Nehalem, just before entering Nehalem Bay.

In 2007, a major storm caused the Salmonberry Bridge (located at 45°45′00″N 123°39′10″W / 45.7499°N 123.6528°W / 45.7499; -123.6528 (Salmonberry Bridge)) to collapse. The bridge was rebuilt and opened to traffic on May 14, 2012.[6]

Nehalem is also used as the codename for Intel's first-generation line of Core processors.[7][8]

See also

References

  1. Loy, William G., ed.; Allan, Stuart; Buckley, Aileen R.; Meacham, James E. (2001). Atlas of Oregon, 2nd edition, revised. Eugene, Oregon: University of Oregon Press. p. 24. ISBN 0-87114-101-9. {{cite book}}: |first= has generic name (help)CS1 maint: multiple names: authors list (link)
  2. 1 2 3 "Nehalem River". Geographic Names Information System. United States Geological Survey. November 28, 1980. Retrieved January 9, 2009.
  3. Source elevation derived from Google Earth search using GNIS source coordinates.
  4. 1 2 Johnson, Jill. Maser, Joseph (ed.). "Nehalem River Watershed Assessment 1.0 Introduction". Environmental Sciences and Resources Department, Portland State University. Retrieved January 17, 2009.
  5. 1 2 "Water-data report 2007: 14301000 Nehalem River near Foss, OR" (PDF). United States Geological Survey. Retrieved January 17, 2009.
  6. "The Salmonberry Bridge Reopens". Tillamook Headlight-Herald. 15 May 2012. Retrieved 27 January 2014. At long last The Salmonberry Bridge on Foss Road at m.p. 13 has been rebuilt and opened to traffic May 14. The bridge washed out in the 2007 storm.
  7. Ian, King (2008-10-20), Intel's new faster chip right on AMD's heels, The Seattle Times
  8. Jones, George (2008-02-09), IAMD vs Intel: The future of desktop CPUs, PC Advisor UK
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