Monument located in a tall and imposing, standing out as a viewpoint. The recent excavation campaigns confirm the existence of a settlement the centuries III and II century BC (copper and Bronze Ages). It is not known, however, if it was a fortified village or just a place monumentalizado.

This is one of the rock art sites in the Valley of the Coa, forming a rare set of this type of art, essentially composed of stone engravings dated from the Upper Paleolithic. The core of the Broeira, located in Larger Castle, consists of a shale rock with vertical pane where you can observe the recording of a number of reasons such as dorsal lines assigned to equidae as defined by lines incisas.