Tower of Cálogo Monument · Vilanova de Arousa, Salnés, Pontevedra The last standing vestige of the monastery of San Cibrán de Cálago, destroyed by Norse raids between the 9th and 10th centuries; it is a tower of granite ashlar topped by a two-arched belfry and appears on the town's coat of arms. Photo: Lameiro (CC BY-SA 4.0) What to see and do in Vilanova de Arousa