Excavation Monte Cildá
Excavation Monte Cildá. Monte Cildá is located next to the town of Olleros de Pisuerga. This archaeological site contains Cantabrian, Roman, and Visigothic remains. It dates back to the pre-Roman era, and a large number of artifacts have been found in the short time it has been excavated. It is currently on the red list of Heritage in danger of disappearing.