A river, about 3,033 km (1,885 mi) long, rising in southwest Colorado and flowing generally south through central New Mexico to southwest Texas, where it turns southeast and forms the U.S.-Mexican border for the rest of its course. It empties into the Gulf of Mexico near Brownsville, Texas, and Matamoros, Mexico.
A city of extreme southern Brazil at the southern entrance of the Lagoa dos Patos. It is a major processing and shipping center. Population: 188,000.