Reservoir of as Portas Nature · Vilariño de Conso, Viana, Ourense A reservoir on the River Camba, at some 900 metres of altitude, whose 141-metre dam is the tallest in Galicia; it gathers the waters coming down from the Invernadeiro natural park and is the second largest Galician reservoir. Photo: Estevoaei (CC BY-SA 4.0) What to see and do in Vilariño de Conso