Procession of the Bonfires Activity · Palenzuela, El Cerrato, Palencia Image of Palenzuela, not of the place itself. In mid-September the town honours the Virgen de Allende el Río with a night procession lit by bonfires, which goes down to the Romanesque hermitage on the other side of the Arlanza. Photo: DaFerRod (CC BY-SA 4.0) What to see and do in Palenzuela