There are actually six: 2 in the US, 4 in South America.
The Colorado River that runs southwest from Colorado to Baja California is a separate river from the one that crosses Texas from west to east. The Grand Canyon is on the former, the capital city of Austin is on the latter.
COlorado and Hawaii
Ohio and Colorado
Green river and the Colorado River
There are two major rivers in New Mexico. These rivers are the Colorado River and the Rio Grande and their many tributaries.
Green river and the Colorado River
Green river and the Colorado River
Green river and the Colorado River
colorado river
The Colorado and Gila Rivers.There are four major rivers in Arizona. These are the Colorado River, the Bill Williams River, the Little Colorado River, and the Gila River.
The Arkansas, Canadian, Colorado, Gunnison, Laramie and North Platte Rivers.
The Missouri does, the Colorado does not. It empties instead into the Sea of Cortez.
The Colorado, Salt and Gila Rivers.