|History of Colorado River
The Colorado River, one of the greatest natural wonders of the world, is a river of many different extremes, from the barren deserts of Mexico to the huge mountains of Colorado. This great river is born about 10,000 feet in the Rocky Mountains of Colorado and flows southwest for 1,470 miles to the Gulf of California (Sea of Cortez) in Mexico. It is the international boundary for 17 miles between Arizona and Mexico. Before the construction of a number of dams along its route, it flowed 80 miles through Mexico to the Gulf of California.
The 1,360 miles of its route in the United States makes it the nation's fifth longest river. It drains a large portion of the North American continent covering 242,000 square miles in the United States and 3,000 square miles in Mexico. The Colorado and its tributaries drain southwestern Wyoming and western Colorado, parts of Utah, Nevada, New Mexico and California, and almost all of Arizona. Three fourths of the basin is f...