Wynoochee Dam
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The Wynoochee Dam is a dam 28 miles north of Montesano, Washington. It is owned by the city of Aberdeen, Washington, and was built by the United States Army Corps of Engineers in 1972. The dam regulates the flow of the Wynoochee River, creating Wynoochee Lake.
Tacoma Power added a powerhouse downstream from the dam in 1994. Although access to the dam has been restricted since September 11, 2001, tours are available by appointment.
Coho campground, managed by the Olympic National Forest, is upstream from the dam, where visitors can hike, camp, and swim in Wynoochee Lake.