The festival of San Nicola takes place on the afternoon of 6 December in Gualdo's parish church, which bears the saint's name. The programme includes Holy Mass in the afternoon, followed by some festivities in the local parishes.

Source: AAVV, Pieve a Elici Montigiano Gualdo Valpromaro: natura, storia, arte e tradizione nelle colline della Valfreddana del Sud, a cura del Comitato di rappresentanza locale, Comune di Massarosa, massarosa, 2012