Building Strong® at the Nehalem River

2 aerial images of the Nehalem River Project areaNehalem Bay is located 40 miles south of the Columbia River.

The Corps constructed two jetties to stabilize the channel across the ocean bar at Nehalem Bay's entrance. The north jetty was built in 1918, to a length of 3,890 feet; the south jetty, built in 1916, was 4,950 feet long.

The structures were rehabilitated in 1981 and 1982 after decades of strong water and wave action removed large boulders and underwater currents displaced smaller stones. Corps contractors placed more than 347,000 tons of rock at the tips of both jetties. The boulders used in the repairs weighed more than 40 tons each – at the time, the largest ever placed on an Oregon jetty.

The Corps of Engineers does not maintain recreation facilities at this location. Please stay off the jetties as they are hazardous and not intended for recreational use. Nearby and/or adjacent recreational facilities fall under the jurisdiction of private, local or state agencies. Learn more about jetties and why they are unsuitable for recreation at Understanding Coastal Jetties.

For more information

Oregon Coastal Harbors pamphlet

Contact us:

Phone: 503-808-4510

Email us about the Nehalem River

Latest News Releases

Corps plans Depoe Bay dredging, after environmental assessment
8/6/2021
The U.S. Army Corps of Engineers will begin dredging Depoe Bay, Ore. to remove 2,000 cubic yards of material between September 13 and the end of the month. The work will take place for seven to 14...
South Jetty rehab close parts of Fort Stevens State Park
4/7/2021
South Jetty rehabilitation will temporarily close the observation tower at Lot “C” at Fort Stevens State Park beginning April 19. Lot “C” and the bathrooms remain open for public access but the tower...
Corps hosts Sept. 13 Public Scoping Meeting in Coos Bay
9/8/2017
The U.S. Army Corps of Engineers is hosting an open house-style public scoping meeting about the environmental review of the Oregon International Port of Coos Bay’s proposed modifications to the...

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Operations: Nehalem River

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Jetties:
North Jetty is 3,890 feet long.
South Jetty is 4,950 feet long.
 
Graphic illustration map of Nehalem River and Bay
The Rivers and Harbors Acts of: Sept. 19, 1890, and July 25, 1912.