Cave of El Castillo
Appearance
The Cueva de El Castillo, or the Cave of El Castillo is an archaeological site within the complex of the Caverns of Monte Castillo, and is located in Puente Viesgo, in the province of Cantabria, Spain.
This cave was discovered in 1903 by Hermilio Alcalde del Río, the Spanish archaeologist, who was one of the pioneers