GEOGRAPHY THROUGH MAPS
Columbia River
The Columbia rises at Columbia Lake in British Columbia, loops north and then south into the United States, and reaches the Pacific along the Oregon–Washington boundary. It crosses both mountain and plateau landscapes.
Fast Facts
- The Snake is its largest major tributary by drainage area.
- The Columbia Gorge cuts through the Cascades.
- Grand Coulee is a major dam on the Columbia.
Connected lessons
- Columbia RiverMap, explanation and practice
- Snake RiverMap, explanation and practice
- From mountains to three ocean systemsGuided exploration
Geographical connections
- Rocky MountainsRelated places
- Cascade RangeRelated places
- Snake RiverRelated places
- Columbia PlateauRelated places
- Snake RiverHas tributary