The Rio Grande river, also known as Rio Bravo del Norte in Mexico; along 2019 kilometers (1254 miles) from the Gulf of Mexico to a point where the municipalities of El Paso (TX), Sunland Park (NM) and Ciudad Juarez, Chihuahua meet.
Bordering Texas and Louisiana is the Sabine River, the Red River borders Texas and Oklahoma, and between Texas and New Mexico/Mexico is the Rio.
The Red river forms Texas southwest. The Rio Grande forms the southwest border between Texas and Mexico.
The Rio Grande forms part of the border between the US and Mexico.
my dick
The Rio Grande
The Rio GrandeRio GrandeI believe the river that forms the border between mexico and the u.s is 'El Rio Grande'
The Rio Grande
Rio Grande
The Rio Grande
Rio Grande
The Rio Grande River
The Rio Grande forms part of the US border with Mexico, while the St. Lawrence River forms part of the border between the US and Canada.