Which valley does the Arenales River flow through?
Salta Salta is a city located in the Lerma Valley, at 1,152 metres (3780 feet) above sea level in the northwest part of Argentina. It is also the name for the capital city of Salta Province. Along with its metropolitan area, it has a population of 619,000 inhabitants, which makes it the second most populated city in the northwest of the country.
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.