The arribes of Argañín Nature · Argañín, Sayago, Zamora Image of Argañín, not of the place itself. The twelve square kilometres of the municipal district, at 738 metres of altitude, are protected as a biosphere reserve, Natura 2000 Network and natural park; over its cliffs fly griffon vultures, black storks and golden eagles. Photo: Estevoaei (CC BY-SA 4.0) What to see and do in Argañín