Altar of the castro of Alvarellos Curiosity · Dumbría, Fisterra, A Coruña Image of Dumbría, not of the place itself. In this Romanised castro there appeared an altar fifty-two centimetres high with an inscription that can be read as a consecration to the Manes gods made as an offering by a certain Rufo. Photo: Elisardojm (CC BY-SA 4.0) What to see and do in Dumbría