Sant Celoni Main Festival Activity · Sant Celoni, Vallès Oriental, Barcelona Image of Sant Celoni, not of the place itself. The Festa Major de Sant Celoni is celebrated on the weekend closest to September 8, in honor of the Mare de Déu del Puig, patron saint of the town, with the traditional Corremonts contest among the town's associations. Photo: 1997 (CC BY-SA 3.0) What to see and do in Sant Celoni