Wilson River (Oregon)
| Wilson River | |
 Wilson River from Oregon Route 6 bridge near Tillamook
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| Country | United States |
|---|---|
| State | Oregon |
| County | Tillamook County |
| Source | Northern Oregon Coast Range |
| - location | East of Tillamook |
| - elevation | 871 ft (265 m) |
| - coordinates | 45°36′22″N 123°27′45″W / 45.60611°N 123.46250°W |
| Mouth | Tillamook Bay |
| - elevation | 0 ft (0 m) |
| - coordinates | 45°28′44″N 123°53′24″W / 45.47889°N 123.89000°WCoordinates: 45°28′44″N 123°53′24″W / 45.47889°N 123.89000°W |
| Length | 33 mi (53 km) |
| Basin | 194 sq mi (502 km2) |
| Discharge | |
| - average | 1,177 cu ft/s (33 m3/s) |
| - max | 38,600 cu ft/s (1,093 m3/s) |
| - min | 32 cu ft/s (1 m3/s) |
  Location of the mouth of the Wilson River in Oregon
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The Wilson River, about 33 miles (53 km) long, flows from the Northern Oregon Coast Range to Tillamook Bay in the U.S. state of Oregon. Formed by the confluence of its Devil's Lake Fork and its South Fork, it runs generally west through the Tillamook State Forest to its mouth near the city of Tillamook. It is one of five rivers—the Tillamook, the Trask, the Wilson, the Kilchis, and the Miami—that flow into the bay.
The river rises in the Tillamook State Forest in the mountains of northeastern Tillamook County. The river's North Fork rises in northern Tillamook County and flows south. Its South Fork rises in eastern Tillamook County and western Washington County and flows west to merge with Devils Lake Fork. Further downstream, the Wilson River receives the North Fork near Lees Camp. It then flows southwest to Tillamook, entering the southeast end of Tillamook Bay about 3 miles (5 km) northwest of the city. The mouth of the river is about 1 mile (1.6 km) north of the mouth of the Trask River and slightly south of the mouth of the Kilchis River. Oregon Route 6, also known as the Wilson River Highway, runs parallel to the river and links the Tualatin Valley and the Portland metropolitan area with the Oregon Coast.
The United States Geological Survey (USGS) monitors the flow of the Wilson River at a stream gauge 9.3 miles (15.0 km) from the mouth of the river. The average flow at this gauge is 1,177 cubic feet per second (33.3 m3/s). This is from a drainage area of 161 square miles (417 km2), about 83 percent of the total Wilson River watershed. The maximum flow recorded there was 38,600 cubic feet per second (1,090 m3/s) on November 6, 2006, and the minimum flow was 32 cubic feet per second (0.91 m3/s) on September 5, 1973, although it might have been less for a short while after a landslide on January 31, 1965.
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Wikipedia