South Padre Island lies just north of the mouth of this river near the city
South Padre Island lies just north of the mouth of this river near the city of Matamoros. This river meanders through, and inspires the name of, Big Bend National Park. Cities on it include Brownsville, Laredo, and (*) El Paso, the last of which lies across this river from Ciudad Juarez. For 10 points, name this river, also known as the Rio Bravo, that forms the border between Texas and Mexico and whose name is Spanish for "Big River."
South Padre Island lies just north of the mouth of this river near the city of Matamoros.
Rio Grande (accept Rio Bravo before mentioned)