The Parxubeira dolmen Nature · Mazaricos, Xallas, A Coruña Also known as Mina da Parxubeira, this megalithic tomb in the parish of San Fins de Eirón preserves thirteen orthostats, six in the polygonal chamber and seven in the corridor. It formed part of a necropolis of four tumuli. Photo: Javier Pais (CC BY 2.0) What to see and do in Mazaricos