The patrons of Blevio are Saints Gordian and Epimachus, celebrated on 10 May, to whom the Chiesa dei Santi Gordiano ed Epimaco is dedicated.
The municipality also holds Villa Cademartori, Castel d'Ardona, the Chiesa di Santa Maria Immacolata, the church of the Madonna del Rosario and the Cappellina di Sopravilla.