Gnocchi festival: the most important event that takes place in the town of San Lorenzo Nuovo on Lake Bolsena is certainly the gnocchi festival. This, which is a real festival, takes place in the days around 10 August (the day dedicated to the famous patron saint of the city) and celebrates the typical product of this country, obtained from potatoes, a crop that is rich in the entire coast of Lake Como. Bolsena. Piazza Europa and all the side streets are transformed into a single open-air trattoria, where plates of dumplings in various variations are served. On 10 August there is also a large fair and all the evenings of the festival are accompanied by music and dances.