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Arid Canyoneering River Verified Hydrographic Data Last reviewed: Oct 23, 2026

Colorado River

Alternative / Indigenous / Local Names: Río Colorado

The defining ecological and municipal lifeline of the American Southwest, carving the Grand Canyon and supplying water to 40 million people.

Official Cartographic Map: Colorado River fluvial drainage basin and topographic course
Colorado River • Official Fluvial System Verified Geographic Profile

Verified Geographic & Hydrological Profile

ID: RVR-0015
Official Length
2,330 km (1,450 miles)
Drainage Basin
Colorado River Basin (640,000 km²)
Average Discharge
640 m³/s (22,601 cu ft/s)
Source / Headwaters
La Poudre Pass, Rocky Mountains (Colorado, USA) (Elevation: 3,101 m / 10,174 ft)
Coords: 40.4789°, -105.8197°
Mouth / Outflow
Gulf of California (Baja California, Mexico)
Coords: 31.8150°, -114.7950°
Cartographic Visualization

Interactive River Course Map

Full Map Details →
S Source M Mouth Mainstem Vector
Attribution: OpenStreetMap • Data: USGS National Hydrography Dataset

Geographical Overview & Course

Originating in the glaciated peaks of Rocky Mountain National Park in Colorado, the Colorado River flows 2,330 kilometers southwest through seven US states and northwestern Mexico. Famous for having carved the mile-deep Grand Canyon across six million years of fluvial erosion, it is now among the most heavily dammed and diverted rivers on Earth.
Measurement Discrepancies & Scientific Uncertainty

Length established by USGS surveys. The river rarely reaches its maritime delta in Mexico due to complete upstream agricultural and municipal withdrawal.

Ecological & Environmental Significance

Home to endemic desert fish species including the endangered humpback chub and Colorado pikeminnow, adapted to warm sediment-heavy canyon water.

Economic Importance, Navigation & Human Settlement

Supports the Imperial Valley agricultural belt and generates hydropower at Hoover Dam (Lake Mead) and Glen Canyon Dam (Lake Powell).

Platform Administration & Editorial

Ammy Saini
Published by Admin
Ammy Saini

Founder & Platform Administrator

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