Sant Vicenç de Castellet Main Festival Activity · Sant Vicenç de Castellet, Bages, Barcelona Image of Sant Vicenç de Castellet, not of the place itself. Sant Vicenç de Castellet celebrates two festas majors: the winter one, on the weekend closest to 22 January, the feast of Sant Vicenç, patron of the town; and the summer one, in mid-July, with more recreational and children's activities. Photo: Pere López Brosa (CC BY-SA 4.0) What to see and do in Sant Vicenç de Castellet