Hillfort of a Forca Nature · A Guarda, Baixo Miño, Pontevedra A fortified settlement in the municipal district of A Guarda which, together with the castro da Bandeira, shows that the one at Santa Trega was not the only castro settlement in the municipality, but the largest piece in a network of villages. Photo: Calaboso (CC BY-SA 4.0) What to see and do in A Guarda