Tésero is a comune in Trentino in the northern Italian region Trentino-Alto Adige/Südtirol, located in the Val di Fiemme about 40 kilometres northeast of Trento. The municipality of Tesero contains the frazioni Lago, Stava and Alpe di Pampeago. Tesero borders the following municipalities: Deutschnofen, Predazzo, Panchià, Cavalese, Pieve Tesino and Ville di Fiemme. The 1985 Val di Stava dam collapse killed 268 people in Tesero.