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…