The castro (hillfort) of San Lourenzo Nature · O Pino, Arzúa, A Coruña Fortified settlement with an oval plan and about 110 metres in length in the parish of Pastor, where undecorated pottery remains were found along with two gold torcs of twenty-two carats weighing 350 grams together, now kept in the Santo Antón Castle Archaeological and Historical Museum of A Coruña. Photo: Álvaro Pérez Vilariño (CC BY-SA 2.0) What to see and do in O Pino