Partial Nature Reserve of Barayo Nature · Navia, Eo-Navia, Asturias A protected area straddling Navia and Valdés that brings together the mouth of the River Barayo, a dune complex and cliffs; among its wildlife the otter and the oystercatcher stand out, and its dune vegetation is among the best preserved in Asturias. Photo: LBM1948 (CC BY-SA 4.0) What to see and do in Navia