The patroness of Montecrestese is Santa Maria Assunta (Assumption of Mary), celebrated on 15 August; the municipality holds the Chiesa di Santa Maria Assunta.
At the end of August the Pro loco and all the associations of the village organise the Sagra della patata (potato festival), whose culinary stars are the potato gnocchi of Montecrestese, the «Gnocchi della sagra». The municipality also holds the Torre di Roldo, the Oratorio Sant'Antonio Abate, the Oratorio di San Marco and the Castello di Montecrestese.