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.

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.

The Columbia River Basin covers 258,000 square miles and includes parts of seven states and one Canadian province. In its 1,200 mile course to the ocean, the river flows through four mountain ranges and drains more water to the Pacific Ocean than any other river in …

Aug 13, 2021 · The Columbia River is the seventh-longest river in the United States and the largest river in North America’s Pacific Northwest region. The river originates in the Rocky Mountains of the Canadian province of British Columbia and then flows for 2,000km through the US states of Washington and Oregon , eventually draining into the Pacific Ocean .

Just 30 miles (48 km) east of Portland sits the Columbia River Gorge — a rugged canyon on the broad Columbia River and home to more than 90 waterfalls, countless hiking trails, plenty of water sports and several charming communities.

The Columbia River: The Columbia River and its tributaries form the dominant water system in the Pacific Northwest. The mainstem of the Columbia rises in Columbia Lake in British Columbia, Canada. After flowing a path for 1,270 miles, the Columbia …

The Columbia River, fourth-largest by volume in North America (annual average of 192 million acre-feet at the mouth) begins at Columbia Lake in the Rocky Mountain Trench of southeastern British Columbia at about 2,656 feet above sea level. The geographic coordinates at the head of the lake are 50°13’ north latitude, 115°51 west longitude.

The Columbia’s largest tributary, the Snake River, flows more than a thousand miles from Two-Oceans Plateau in Yellowstone National Park, across the Snake River Plain and into the deepest canyon in North America, Hells Canyon, on the eastern boundary of Oregon.

3 days ago · The 1,240-mile long Columbia drains about 250,000 square miles. One of the longest rivers in America, it is second only to the Mississippi in terms of volume of water flow.It is a crucial source of water for agricultural irrigation, supports a range of diverse wildlife and offers myriad recreational opportunities.

Columbia River, River, southwestern Canada and northwestern U.S. Rising in the Canadian Rockies, it flows through Washington state, entering the Pacific Ocean at Astoria, Ore.; it has a total length of 1,240 mi (2,000 km). It was a major transportation artery in the Pacific Northwest until the coming of the railroads.