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 Bonneville Lock and Dam

OR Icon Bonneville Lock and Dam
U.S. Army Corps of Engineers
Cascade Locks, Oregon 97014-0150
Phone: 541-374-8820
Bonneville Dam on the Columbia River.

The Bonneville Lock and Dam, built and operated by the U.S. Army Corps of Engineers, was the first of eight federal locks and dams on the Columbia and Snake rivers. Construction began in 1933 and the lock and dam was dedicated by President Franklin D. Roosevelt on September 28, 1937. Total construction cost was $88.4 million. The Bonneville Lock and Dam was placed on the National Register of Historic Places as an historic district in June 1986. The reservoir behind the dam is known as Lake Bonneville.

The Bradford Island Visitor Center, Navigation Lock Visitor Center, and Washington Shore Visitor Complex have drinking water, restrooms, picnic tables, observation decks, and gift shops.


Located in the Columbia River Gorge National Scenic Area, 40 miles east of Portland, Oregon and Vancouver, Washington. Take Interstate 84 from Portland to exit 40, or Washington State Highway 14 from Vancouver to milepost 40. The Bridge of the Gods, about three miles upstream of Bonneville, provides the nearest public route between the Oregon and Washington sides of the lock and dam.


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Bonneville Dam on the Columbia River.

Site design by Frank Stehno
All photographs by Frank Stehno unless otherwise indicated.
Copyright © 2017 by Frank and Anne Stehno. All rights reserved.
Site established in 2000.