The patron of Montebello di Bertona is Saint Peter, celebrated on 29 June.
Around Ferragosto, since 2008, the «Rock Your Head Festival» has been organised, an arts and music festival that has taken a prominent place on the Abruzzo scene. On Easter Monday 2017 and 2018 Arrostiland was held in the municipality, a festival dedicated to the Abruzzo arrosticino (skewered lamb), with over 12,000 attendees in 2018. The municipality also holds the Chiesa della Madonna del Carmine, the Chiesa San Biagio and the Chiesa di San Rocco.
