Example image of eyePlorer eyePlorer map for 'Columbia River': North America Pacific Northwest River British Columbia Oregon Pacific Ocean Rocky Mountains U.S. state Washington Snake River Drainage basin France Hydroelectricity List of dams in the Columbia River watershed Main stem Fish migration Freshwater Saline water Salmon Oregon Coast Range Willamette Valley Fur trade Columbia River Gorge Steamboat Private sector Public sector Channel (geography) Dredging Lock (water transport) Irrigation Reservoir Nuclear power Hanford Site Nuclear weapon Rocky Mountain Trench Columbia Lake Columbia Wetlands Sea level Source (river or stream) Canadian Rockies Columbia Mountains Valley Columbia Valley Golden, British Columbia Invermere, British Columbia Kinbasket Lake Windermere Lake (British Columbia) Arrow Lakes Big Bend Country Lake Revelstoke