The Columbia River (shown here from the Gorge Amphitheater in George, Washington) is at the heart of the Columbia Valley AVA. The Columbia Valley AVA lies mostly in Washington state, with a small section in Oregon. The Cascade Range forms its western boundary with the Palouse regions bordering the area to the east.Where is the Columbia River in Oregon?
The Columbia River Gorge is a canyon of the Columbia River in the Pacific Northwest of the United States. Up to 4,000 feet (1,200 m) deep, the canyon stretches for over 80 miles (130 km) as the river winds westward through the Cascade Range forming the boundary between the State of Washington to the north and Oregon to the south.