The hillforts (castros) are the habitat model in Asturias between the end of the Bronze Age and the Roman establishment.
Population growth and development of structures of power increasingly stable behind the creation of the first fortified settlements as an emblem of the community. The collecting society fragmented into small communities divided into clans. During the Iron Age II generalizes the use of this metal and castreñas villages that maintain their autarkic character, appearing in all the valleys Asturian.
The hillforts (castros) remain today as one of the most visible elements of landscape Asturian
