Ключевые слова: beautiful, beauty, bridge, cascade, columbia, columbia gorge, columbia river, columbia river gorge, environment, fall, falls, flow, forest, gorge, green, hiking, historic columbia river highway, landscape, long exposure, moss, multnomah, multnomah county, multnomah falls, natural, nature, northwest, oregon, outdoor, outdoors, pacific, pacific northwest, park, portland, river, rock, rocks, scenery, scenic, spring, stone, stream, tourism, travel, tree, trees, water, waterfall, waterfalls, wilderness,