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The Columbia River (Upper Chinook: ... Within the watershed are diverse landforms including mountains, arid plateaus, river valleys, rolling uplands, and deep gorges.
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]
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 Snake drains by far the largest area of any Columbia River tributary, making up about 40 percent of the entire Columbia River watershed. [ 30 ] : 602 Compared with the Columbia above their confluence, the Snake River is about 180 miles (290 km) longer [ n 2 ] and drains a similarly sized area, [ 5 ] [ 39 ] though the Columbia carries more ...
Columbia River Basin. Wallula Gap (/ w ə ˈ l uː l ə /) is a large water gap of the Columbia River in the Northwestern United States, in Southeastern Washington.It cuts through the Horse Heaven Hills basalt anticlines in the Columbia River Basin, just south of the confluence of the Walla Walla and Columbia rivers.
The book's arrival comes as the United States and Canada are renegotiating the Columbia River Treaty, a 60-year-old agreement that guides management of the river and its hydroelectric dams.
Columbia Lake is the primary lake at the headwaters of the Columbia River, in British Columbia, Canada. It is fed by several small tributaries. It is fed by several small tributaries. The village of Canal Flats is located at the south end of the lake.
The Columbia River and its tributaries generate 40% of U.S. hydropower, irrigate $8 billion in agriculture products and move 42 million tons of cargo annually, according to the Biden administration.