Rio Grande.
river originating in Colorado, flowing south through New Mexico, and forming part of the US-Mexico border along Texas until emptying into the Gulf of Mexico
Rio Grande Faces Crisis: Half its Water Use is Unsustainable, Threatening Millions
The Rio Grande, or Rio Bravo in Mexico, one of North America’s longest and most historic rivers, is in crisis, according to a new study released Thursday. According to The Associated Press , once a lifeline for…
Reporting · 1 source · Nov 20, 2025Read it
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About Rio Grande
The Rio Grande, in the United States, or the Río Bravo, in Mexico, also known as Tó Ba'áadi in Navajo, is one of the principal rivers in the Southwestern United States and in northern Mexico. The length of the Rio Grande is 1,896 miles (3,051 km), making it the fourth longest river in the United States and in North America by main stem. It originates in south-central Colorado, in the United States, and flows to the Gulf of Mexico. The Rio Grande drainage basin (watershed) has an area of 182,200 square miles (472,000 km2); however, the endorheic basins that are adjacent to and within the greater drainage basin of the Rio Grande increase the total drainage-basin area to 336,000 square miles (870,000 km2).
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- United States, Mexico