Bridge of Ribadiso Monument · Arzúa, Arzúa, A Coruña Image of Arzúa, not of the place itself. A bridge of medieval origin over the River Iso, the oldest in the municipality, by which the Camino Francés enters Ribadiso da Baixo; its granite fabric has borne the passage of pilgrims since at least the 13th century. Photo: Simon Burchell (CC BY-SA 4.0) What to see and do in Arzúa