Beach of el Aguilar Nature · Muros de Nalón, Avilés, Asturias An open beach with heavy surf, wedged between cliffs, the main one in the smallest municipality of the comarca. A promenade and a long stairway connect it with the village, which sits on top of the coastal platform. Photo: Amasuela - Luis afuente Agudín (CC BY-SA 4.0) What to see and do in Muros de Nalón