Colorado River

Cultural  

1. River in the southwestern United States, with its headwaters in the Rocky Mountains of northern Colorado, that flows generally southwest through Colorado, Utah, and Arizona; forms the border between Nevada and Arizona and Arizona and California; and then flows through Mexico, emptying into the Gulf of California.

---

Discover More

Source of fresh water for communities in Nevada, Arizona, and California.

The site of the Hoover Dam.

Over millions of years, the force of the river has carved the Grand Canyon in northwestern Arizona.

Example Sentences

See Examples For:

Colorado River

Reaching a consensus would be the best outcome for all users along the Colorado River, Pitt said, because a court battle holds tremendous uncertainty.

From Los Angeles Times ● Jul. 21, 2026

Over the last five years, cities across Southern California have received nearly one-fourth of their water from the Colorado River.

From Los Angeles Times ● Jul. 21, 2026

Power and water have emerged as major issues in the data-center dispute in this arid region, where sprawling lettuce and alfalfa farms rely on the Colorado River for irrigation.

From The Wall Street Journal ● Jul. 19, 2026

In May, the powerful Imperial Irrigation District nixed Rucci’s plan to buy farmland, leave it fallow and use the allotted water from the Colorado River to cool the data center.

From The Wall Street Journal ● Jul. 19, 2026

It was near the Colorado River, founded back in the nineteenth century by some guy who figured he could get rich turning the desert into farmland.

From "The Glass Castle" by Jeannette Walls