Mountain range of o Barbanza Nature · Porto do Son, Noia, A Coruña Image of Porto do Son, not of the place itself. A granite ridge forming the peninsula between the rías of Muros e Noia and Arousa, with the Iroite as its roof at 685 metres; its western slopes fall towards Porto do Son sown with burial mounds, hillforts and hill pasture. Photo: Luis Miguel Bugallo Sánchez (lmbuga) (CC BY-SA 3.0) What to see and do in Porto do Son