Watch salmon move through Bonneville Dam

The Bonneville Dam near Portland is the last blockage of the Columbia River before it reaches the Pacific Ocean. Every year, salmon make their way through the dam's fish ladders en route to Idaho, where they spawn.
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The Bonneville Dam near Portland is the last blockage of the Columbia River before it reaches the Pacific Ocean. Every year, salmon make their way through the dam's fish ladders en route to Idaho, where they spawn.