The Dolmen of Pedra da Arca is also known as the Dolmen of Regoelle. It has a polygonal shape with an entrance corridor facing SE. The roof has dimensions of 4.7 x 3.1 meters.
According to the study carried out by a German team, the roof was brought, it is not known how, from the place of Brandoñas, located about 5.5 kilometers from the place.
It is the largest and best preserved dolmen in the region of Fisterra.