Bonvillars Truffle Market A must for all foodies! Date: 26.10.2019 End date: 26.10.2019 Location: Bonvillars, Vaud Details On the last Saturday in October, the village of Bonvillars near Lake Neuchâtel holds the number one truffle market in Switzerland. A must for all foodies! Read more on this website. For more foodie experiences in canton Vaud, have a look here.