Columbia River

The Columbia River is the dominant river system of the Northwest United States. It is a river of many uses--hydropower, fisheries, and irrigation--and was known by many names--Columbia's River, the Big River, and even River in the Chickadee Territory. It is the fourth-largest river by volume in North America, draining parts of seven states and the province of British Columbia. Because of its unique location close to the ocean, its tall mountain ranges, its steep drop from headwaters to the ...