Waterfall of Pexeiros Nature · Viana do Bolo, Viana, Ourense Image of Viana do Bolo, not of the place itself. A waterfall on the Corgas stream, in the parish of Pexeiros, which plunges among blocks of granite; its flow is especially striking after rain and after the snowmelt in the ranges to the east. Photo: Estevoaei (CC BY-SA 4.0) What to see and do in Viana do Bolo