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.
6 Map of the Columbia River Basin, showing major rivers, lakes
Salmon Status - State of Salmon
Cascade Range - Wikipedia
Columbia River Gorge
Columbia River
Columbia River Gorge - Wikipedia
Facts About the River
State of Oregon: Historic Columbia River Highway - Tourism
Columbia River Estuary Ecosystem Classification Hydrogeomorphic
Webcast outlines reasonable range of alternatives > Northwestern
Surprises Await at the Columbia River Maritime Museum - Travel Oregon
Columbia River - Fish Reports & Map
