The heights of Cadramón Nature · O Valadouro, Mariña Central, Lugo Image of O Valadouro, not of the place itself. A pass that in the parish of O Cadramón crosses the sierra and connects the valley of the Ouro with the flat lands of the interior of Lugo; its slopes of heath and peat bog belong to the massif of the Xistral. Photo: Pernas (CC BY 2.0) What to see and do in O Valadouro