Lagoon of Ocelo Nature · A Veiga, Valdeorras, Ourense Image of A Veiga, not of the place itself. Lagoon of glacial origin of the Pena Trevinca massif, sister of the neighbouring Lagoa da Serpe; both occupy basins carved by the ice on the mountain roof of Galicia, above 1,600 metres. Photo: Estevoaei (CC BY-SA 4.0) What to see and do in A Veiga