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Lewis and Clark River
Lewis and Clark River near its source at Saddle Mountain
Country United States
State Oregon
County Clatsop
Physical characteristics
Main source Northern Oregon Coast Range
Saddle Mountain, Clatsop County, Oregon
2,100 ft (640 m)
River mouth Youngs River
Youngs Bay, Clatsop County, Oregon
3 ft (0.91 m)
Length 20 mi (32 km)
Basin features
Basin size 62 sq mi (160 km2)

The Lewis and Clark River is a tributary of Youngs River, approximately 20 miles (32 km) long, in northwest Oregon in the United States. It drains 62 square miles (160 km2) of the Northern Oregon Coast Range in the extreme northwest corner of the state, entering Youngs River just above its mouth on the Columbia River at Youngs Bay. Near the river's mouth is the site of former Fort Clatsop of the Lewis and Clark Expedition. The river is named for Meriwether Lewis and William Clark.

History and parks

The river was called the Netul River by Lewis and Clark and the Native American Clatsop people who were living in the area at the time. It continued to be known as the Netul River until 1925, when it was renamed to honor Lewis and Clark. The river flows through Lewis and Clark National Historical Park, which was designated as a National Historical Park in 2004.


The river is home to bottom-feeding sturgeon, which is a popular sport fish in the area. It is also home to an extensive salmon repopulation program, just outside Astoria, Oregon proper, that is currently run by the Oregon Department of Fish and Wildlife. The salmon fry, called "fingerlings" can be seen writhing and jumping within their net-lined pens along the river's eastern banks. The river also supports runs of wild steelhead and cutthroat trout.

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