The patroness of Garzigliana is Sant'Anna, celebrated on the last Sunday of July.
The main festival of Garzigliana is that of Sant'Anna, usually held in the last week of July: the format is that of the classic Piedmontese festa, with dance evenings and good food, including fritto di mare (fried seafood) and asado. The municipality also holds the Santuario di Montebruno, the Chiesa dei Santi Benedetto e Donato and the Castello di Montebruno.