Which valley does the Arenales River flow through?
Arenales River The Arenales River (Spanish, Río Arenales) is a river of Argentina. A tributary of the Salado River, the Arenales flows through the city of Salta.
Calumpang River The Calumpang River (Filipino: "Ilog Calumpang") is a major river in eastern Batangas, Philippines. Known as the "Nile of Batangas," the river itself forms the southeastern boundary of Poblacion, Batangas City as it continues to flow southward to Batangas Bay at an approximately point of 2 kilometers (1.2 mi) east of Batangas Port.