Ermita de la Magdalena Monument · Berriatua, Lea-Artibai / Markina-Ondarroa, Bizkaia Image of Berriatua, not of the place itself. 16th-century hermitage that houses the sarnapotzu, a mineral water spring to which curative properties for skin conditions were traditionally attributed. Photo: No machine-readable author provided. Txo assumed (based on copyright claims). (Public domain) What to see and do in Berriatua