The canyon of the Oitavén Nature · Pazos de Borbén, Vigo, Pontevedra The river is hemmed into a rocky gorge at the edge of the concello, one of the most enclosed stretches of its course. Nearby runs the path of the fraga of the river Barragán, waymarked as PR-G 164. Photo: Jose Antonio Gil Martínez. FREECAT from Vigo (CC BY 2.0) What to see and do in Pazos de Borbén