Chapel of Santa Apolonia Monument · Ourol, Mariña Occidental, Lugo Image of Ourol, not of the place itself. A 16th-century hermitage built on the terrace of a circular hillfort in the parish of Xerdiz, a clear example of the Christianisation of an Iron Age fortified enclosure in the interior of A Mariña. Photo: Bene Riobó (CC BY-SA 4.0) What to see and do in Ourol