Prelims ask
Rockies, southwest, Grand Canyon, Mexico, dry delta.
North America
Colorado
Not a top-ten length river. Its exam value is the canyon and the water treaty.
- Source
- Rocky Mountains, Colorado.
- Countries
- United States and Mexico.
- Direction
- Southwest.
- Mouth
- Gulf of California (Sea of Cortez). The river now often fails to arrive.
- Length
- About 2,330 km.
- Major tributaries
- Green, Gunnison, San Juan, Gila.
- Delta or estuary
- A delta that is often dry.
- Basin
- Grand Canyon. Hoover Dam and the Colorado River Compact. A desert exotic in its lower course.
- One exam fact
- There is another Colorado River, in Argentina, flowing to the Atlantic. It is not this river.
Mains use
A snow-fed exotic river fully allocated before the sea. Use for international and inter-state water stress, not for length.