 Cave del Valle (Cantabria)

Cave del Valle (, "The Valley's Cave"), locally also known as "La Viejarrona" (Old Girl), is located near "El Cerro Village" in the municipality of Rasines in Cantabria, northern Spain.The cave is the source of the "Silencio River", a tributary of the "Rio Ruahermosa", which in turn is a tributary of the "Asón River".