The Monte Aro viewpoint Activity · Mazaricos, Xallas, A Coruña Image of Mazaricos, not of the place itself. At 550 metres of altitude, beside the AC-400 road, this viewpoint dominates the Xallas valley and the reservoir of A Fervenza. It has binoculars for free use because of its notable value for birdwatching. Photo: Mavarelacruz (CC BY-SA 4.0) What to see and do in Mazaricos