Rio Alamo

The Río Álamo, is a stream in the state of Tamaulipas, Mexico, and is a tributary of the Rio Grande. It is impounded by Las Blancas Dam, which was completed in 2001 and diverts water to the Marte Gómez Reservoir on the Rio San Juan, another tributary of the Rio Grande.

The Rio Alamo enters the Rio Grande (Rio Bravo del Norte in Mexico) at Rio Grande river kilometer 422 km, about 20 km downriver from Falcon Dam.