Festival of el Agua de Molinaseca Activity · Molinaseca, El Bierzo, León Image of Molinaseca, not of the place itself. A summer celebration in which residents and pilgrims soak one another with buckets through the streets of the old town, beside the still water of the River Meruelo. It is a declared festival of provincial tourist interest and the best attended date in the local calendar. Photo: Emilio.sanchez1 (CC0) What to see and do in Molinaseca