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 at Rio Grande river kilometer, about downriver from Falcon Dam.