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The fourth-largest river in the United States by volume,[note 1]the Columbia has the greatest flowof any river entering the Pacific outside of Asia, and the 36th greatestdischarge of any river in the world. The Columbia and its tributaries have been central to the region's culture and economy for thousands of years.
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 ]
The Columbia Basin. The Columbia River drainage basin is the drainage basin of the Columbia River in the Pacific Northwest region of North America.It covers 668,000 km 2 or 258,000 sq mi. In common usage, the term often refers to a smaller area, generally the portion of the drainage basin that lies within eastern Washington.
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]
The Columbia River Estuary is situated on the Oregon – Washington border and the Pacific Coast of the United States. It was traditionally inhabited by the Chinook Native Americans and discovered by settlers in 1788. The Estuary plays host to a plethora of species of marine and terrestrial flora and fauna, and multiple conservation ...
On the Columbia River, California and Steller’s sea lions — native species taking advantage of the dams people built — are being killed for eating threatened and endangered salmon.
Trail, British Columbia: Kinnaird Bridge: Hwy 3 (Crowsnest Highway) Castlegar, British Columbia: Rail bridge Canadian Pacific Railway: Castlegar, British Columbia to Robson, British Columbia: Castlegar-Robson Bridge: Broadwater Rd. Keenleyside Dam: 780.0 North of Castlegar, British Columbia: Needles Cable Ferry: Hwy 6: Needles, British Columbia
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.