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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 eighty 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. [ 1 ]
Early map of the Columbia River Highway, from Good Roads magazine, 1916 National Historic Civil Engineering Landmark, found near Multnomah Falls on the Columbia River Scenic Highway. The Columbia River Gorge is the lowest crossing of the Cascade Mountains, carved by the Columbia River during the Cascades' uplift. [5]
It is named in honor of John B. Yeon, one of the principal financiers of the Historic Columbia River Highway U.S. Route 30 which was constructed between 1913 and 1922. Located in the Columbia River Gorge National Scenic Area, [2] the park features hiking trails that access some of the nearby waterfalls, including Elowah Falls.
Wygant State Natural Area is a state park in northern Hood River County, Oregon, just west of the city of Hood River, and is administered by the Oregon Parks and Recreation Department. It is located in the Columbia River Gorge , adjacent to an abandoned section of the Historic Columbia River Highway .
Oneonta Gorge is a scenic gorge located in the Columbia River Gorge area of the American state of Oregon.The U.S. Forest Service has designated it as a botanical area because of the unique aquatic and woodland plants that grow there.
Bathymetric map of the Columbia River mouth: isobaths at five-foot (1.5 m) intervals, 15–310 feet (4.6–94.5 m). Sandbars in yellow. The Columbia Bar is a system of bars and shoals at the mouth of the Columbia River spanning the U.S. states of Oregon and Washington.
The Cascades Rapids (sometimes called Cascade Falls or Cascades of the Columbia) were an area of rapids along North America's Columbia River, between the U.S. states of Washington and Oregon. Through a stretch approximately 150 yards (140 m) wide, the river dropped about 40 feet (12 m) in 2 miles (3.2 km). [ 1 ]
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