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.
La Vieja River La Vieja River (Spanish: "Río La Vieja" ) is a river in the Colombian departments of Quindío, Valle del Cauca and Risaralda. It is a major tributary of the Cauca River.