Bonneville Lock & Dam Washington Shore Ladder Entrance Modifications

The Bonneville Lock and Dam is located approximately 145 river miles from the mouth of the Columbia River between Oregon and Washington. An existing fish ladder has provided Chinook and Coho salmon a means around the hydro facility at the dam to their spawning areas upstream. Lamprey, an eel-like fish with no fins, have not … Continue reading Bonneville Lock & Dam Washington Shore Ladder Entrance Modifications