The U.S. Army Corps of Engineers operates and maintains Bonneville Lock and Dam for hydropower production, fish and wildlife protection, recreation, and navigation. Visitors can experience the operation of two hydroelectric powerhouses, watch migrating fish traveling upstream at the underwater viewing rooms next to the fish ladders, and see salmon and sturgeon in the fish hatchery.
Park Rangers offer tours of the hydroelectric powerhouses daily. There are two visitor centers, one accessible from the Oregon side, one accessible from the Washington side. Both visitor centers have fish viewing windows but there are not always fish to view! The salmon runs are seasonal, with the best viewing in the spring and fall.
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Bonneville Lock & Dam
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