Columbia River, Location, Length, History, & Facts
![](https://cdn.britannica.com/31/79531-050-7B7B4757/Columbia-River-Gorge-Oregon-Washington.jpg)
Columbia River, largest river flowing into the Pacific Ocean from North America. The Columbia is one of the world’s greatest sources of hydroelectric power and, with its tributaries, represents a third of the potential hydropower of the United States. It is 1,240 miles (2,000 km) long.
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Columbia River
Columbia River Cruising Guide
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Columbia River - Wikipedia
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Columbia River Basin Dams > Northwestern Division > Northwestern
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USGS Volcanoes
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Chart of the Lower Columbia River
![](https://volcanoes.usgs.gov/observatories/cvo/Historical/LewisClark/Historical/Maps/univ-illinois-archives_map_columbia_river_1804.jpg)
USGS Volcanoes
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Columbia River
![](https://www.historylink.org/Content/Media/Photos/Large/Columbia-River-tour-map.jpg)
Columbia River Tour
![](https://www.oregonencyclopedia.org/media/uploads/Columbia_River_map_US_Geologic_Survey_4.jpg)
Columbia River
![](https://sos.oregon.gov/archives/exhibits/columbia-river-highway/PublishingImages/history-tourism-ad.jpg)
State of Oregon: Historic Columbia River Highway - Tourism
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Oregon Maps & Facts - World Atlas
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Columbia River Estuary Ecosystem Classification Hydrogeomorphic
![](https://upload.wikimedia.org/wikipedia/commons/thumb/4/4e/Columbia_River_Gorge_landscape.jpg/429px-Columbia_River_Gorge_landscape.jpg)
Columbia River Gorge - Wikipedia
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The Short and Long Narrows - Discover Lewis & Clark