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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.
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 Willamette River flows northwards down the Willamette Valley until it meets the Columbia River at a point 101 miles (163 km) [2] from the mouth of the Columbia. In the natural condition of the river, Portland was the farthest point on the river where the water was deep enough to allow ocean-going ships.
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 ...
In a letter to his nephew, Irving described his vision for Astoria as "not merely a history of his [Astor's] great colonial and commercial enterprise, and of the fortunes of his colony, but a body of information concerning the whole region beyond the Rocky Mountains, on the borders of the Columbia River, comprising the adventures, by sea and ...
Columbia: side genl 1850 Astoria, Oregon 90 27.4 75 1852 D [8] Columbia: 126880 stern psgr 1891 Little Dalles, WA: 152 46.3 534 378 1894 B [9] Columbia: C103892 prop tow 1896 Nakusp, BC 77 23.5 49 34 1920 D Columbia: 127689 stern psgr 1902 Blalock, Oregon: 77 23.5 159 106 1909 RN [N 32] Columbia: 202757 prop frt. 1905 Astoria, Oregon
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 Confluence Project is a series of outdoor installations and interpretive artworks located in public parks along the Columbia River and its tributaries in the U.S. states of Washington and Oregon. Each art installation explores the confluence of history, culture and ecology of the Columbia River system. [1]