Oneonta Bluff and TrailUSFS SignThree bridges...Under the bridgeOneonta TunnelOneonta Bluff and Tunnel, Columbia River Highway, Oregon#553 - Columbia River Highway, Oneonta bluff and tunnelOneonta Tunnel#46 Oneonta Tunnel on the Columbia River Highway"Oneonta Tunnel" Col. Highway, Ore. #491U. S. 30 Water Level Route Construction at OneontaVIEW OF ONEONTA TUNNEL, CURRENT BYPASS ROAD IS ON THE LEFT.Oneonta Tunnel, Filled and Abandoned1994 Oneonta - Tunnel Gallery - HCRH Van TourOneonta Bridge and Tunnel (2012)Oneonta Tunnel RestorationOneonta Tunnel in 13Inside the Oneonta TunnelOneonta Tunnel, East EntranceOneonta Tunnel and the Historic Highway, Looking West