16 August is the patronal feast of San Rocco in Collelongo; the municipality holds the Chiesa di San Rocco.
On 16 and 17 January the feast of Sant'Antonio Abate is celebrated, whose cult dates back locally to the 17th century: the feast begins on the afternoon of the 16th and in the evening the great oak-wood torches, over 5 metres high, are lit and burn all night. The municipality also holds the Chiesa di Santa Maria Nuova, the Chiesa di Santa Maria delle Grazie and Palazzo Botticelli.