Visit to the San Fiz petroglyphs Activity · Antas de Ulla, Ulloa, Lugo Image of Antas de Ulla, not of the place itself. From the hamlet of San Fiz a wide area of rock carvings on the slope of the Farelo can be reached on foot, with concentric circles and cup marks carved into the granite in the open air some four thousand years ago. Photo: José Antonio Gil Martínez from Vigo, Spain (CC BY 2.0) What to see and do in Antas de Ulla