Mencía of the Valdeorras D.O. Food and drink · O Barco de Valdeorras, Valdeorras, Ourense Image of O Barco de Valdeorras, not of the place itself. Red variety that shares the leading role with godello in the Valdeorras designation of origin; it is grown on the slate slopes above the Sil and yields light wines of red fruit and fine tannins. Photo: Estevoaei (CC BY-SA 4.0) What to see and do in O Barco de Valdeorras