The patrons of Clauzetto are Saints Martin and James (santi Martino e Giacomo), celebrated on 25 July; the municipality holds the Chiesa di San Giacomo Apostolo.
In August the «Fieste da la Balote» is held, a sagra where the typical dish of polenta and salted Montasio cheese, enriched with herbs and mushrooms, can be tasted. The municipality also holds the Grotta del Rio Secco and the Museo della Grotta.