The patron of Guardavalle is Saint Agathius the Martyr, celebrated on 7 May with the Patronal Feast.
The calendar of feasts also includes, on 16 July, the feast of Our Lady of Mount Carmel, on 7 August that of Santa Maria degli Angeli, and on the first Sunday of October the Feast of Mary Queen of the Holy Rosary. The town also holds the «Pietrarotta» Museum and the mother church of the Madonna del Rosario.