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The Columbia River (Upper Chinook: Wimahl or Wimal; Sahaptin: Nch’i-Wàna or Nchi wana; Sinixt dialect swah'netk'qhu) is the largest river in the Pacific Northwest region of North America. [14] The river forms in the Rocky Mountains of British Columbia, Canada.
The Columbia River Gorge is the lowest crossing of the Cascade Mountains, carved by the Columbia River during the Cascades' uplift. [5] Rafting down the gorge from The Dalles was one of the most expensive and dangerous parts of the Oregon Trail , traveled by thousands of emigrants to the Oregon Territory , until the Barlow Road opened in 1846 ...
In May 1792, American merchant sea captain Robert Gray sailed into the Columbia River, becoming the first recorded American to navigate into it.The voyage, conducted on the privately owned Columbia Rediviva, was eventually used as a basis for the United States' claim on the Pacific Northwest, although its relevance to the claim was disputed by the British.
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 ]
David Thompson was the first European to navigate the full length of the Columbia River [10]: 228–229 . Between Kettle Falls (3 July 1811) and the Junction of the Columbia and Snake Rivers (9 July), he was travelling through country that had never been visited by Europeans, and took time to visit the villages along the way to establish good ...
Dams of the Columbia River Basin. Click to view higher resolution and read legend. Hydroelectric generators in the basin sized by capacity. 17 dams on the British Columbia side of Canada-US border not shown. There are more than 60 dams in the Columbia River watershed in the United States and Canada. Tributaries of the Columbia River and their ...
For a history of the river and the people, see Grant-Kohrs family and history of Clark Fork River region. The Clark Fork and the Blackfoot River experienced a record flood in 1908. [18] Since the late 19th century many areas in the watershed of the river have been extensively mined for minerals, resulting in an ongoing stream pollution problem ...
Media related to Lewis and Clark Bridge at Wikimedia Commons . Bridge chronology – The Columbia County Historian; Bridge story on HistoryLink.org; Historic American Engineering Record (HAER) No. WA-89, "Longview Bridge, Spanning Columbia River at State Route 433, Longview, Cowlitz County, WA", 13 photos, 24 data pages, 1 photo caption page