Columbia River Gorge and I-84 from Crown Point, OregonImmediately after leaving Troutdale, I-84 and US 30 runs east along the south bank of the Columbia River (and the northern Oregon border, as well) for nearly 150 miles with the first 80 miles being in the Columbia River Gorge National Scenic Area, running from Troutdale to nearby Biggs Junction, passing through the cities of Hood River and The Dalles in the Scenic Area.