The Salado River (Spanish: Río Salado, Spanish pronunciation: [ˈri.o saˈlaðo]) is a river in northern Buenos Aires Province, Argentina. It originates at El Chañar Lake on the border with Santa Fe Province, 40 metres (130 ft) above mean sea level, and flows generally southeast for 640 kilometres (400 mi) before debouching into Samborombón Bay, part of the Río de la Plata estuary on the Atlantic Ocean.