Rio Grande do Sul is located in Brazil.
 The Rio Grande then continues southwards, irrigating the farmlands in the Middle Rio Grande Valley through the desert cities of Albuquerque and Las Cruces in New Mexico, to El Paso, Texas, and then to Ciudad Jurez, Chihuahua, in Mexico
== History ===== Ancestral Rio Grande ===The sedimentary basins forming the modern Rio Grande Valley were not integrated into a single river system draining into the Gulf of Mexico until relatively recent geologic time

