What river forms a boundary between texas and mexico?

The Rio Grande River forms part of the natural border between the United States and Mexico. read more

A very short stretch of the river serves as part of the boundary between the U.S. states of Texas and New Mexico. Since the mid–20th century, heavy water consumption of farms and cities along with many large diversion dams on the river has left only 20% of its natural discharge to flow to the Gulf. read more

The answer found there is: "The border between Texas and Mexico is the Rio Grande river, translated from spanish to mean the great river. The international border extends over 1,951 miles (3,141 km). read more

Most of this 3,141 Kilometers (1,952 miles) border is defined bythe course of the Rio Grande River (Rio Bravo delNorte, as it is known in Mexico) which runs from CiudadJuarez-El Paso into the Gulf of Mexico, close to the cities ofMatamoros-Brownsville. read more

Most of this 3,141 Kilometers (1,952 miles) border is defined by the course of the Rio Grande River (Rio Bravo del Norte, as it is known in Mexico) which runs from Ciudad Juarez-El Paso into the Gulf of Mexico, close to the cities of Matamoros-Brownsville. read more

The boundary follows the middle of the Rio Grande — according to the 1848 Treaty of Guadalupe Hidalgo between the two nations, "along the deepest channel" — from its mouth on the Gulf of Mexico a distance of 1,254 miles (2,019 km) to a point just upstream of El Paso, Texas, and Ciudad Juárez, Chihuahua. read more