Arnoia River Natural Area Nature · Paderne de Allariz, Allariz - Maceda, Ourense Image of Paderne de Allariz, not of the place itself. A protected area that follows almost the whole course of the Arnoia, from Calvelo to its mouth on the Miño, and includes stretches of the tributaries Tioira, Meván and Gato together with the riverside woods that accompany them. Photo: Archivaldo (Public domain) What to see and do in Paderne de Allariz