The Historic Columbia River Highway Scenic Byway was created to highlight Oregon's stunning natural beauty. Multnomah Falls surrounded by lush foliage.Credit: wayfarerlife photography/Getty ImagesKey TakeawaysThe Historic Columbia River Highway Scenic Byway runs from Troutdale to The Dalles in Oregon. Multnomah Falls, one of several waterfalls located along the route, is among the most beautiful in the world. Popular scenic viewpoints include th…