The Upper Rio Grande River tracks the USMexico border from El Paso to Val Verde County By far the largest of the flood planning regions, Region 14 traverses the TransPecos ecoregion and Big Bend National Park The region reaches its eastern border as the Upper Rio Grande River enters the International Amistad Reservoir at the confluence of El Paso, TX Alligators in the Rio Grande! Along its way to the sea, the Rio Grande travels almost 2,000 miles As it flows southward, its waters are diverted for flood control, irrigation, power generation, municipal uses, and recreation By the time the Rio Grande leaves El Paso, so much water has been diverted that the riverbed between the cities of El Paso and Presidio is often dry

Rio Grande River Worldatlas