Castelletto Cervo is a comune (municipality) in the Province of Biella in the Italian region Piedmont, located about 60 kilometres (37 mi) northeast of Turin and about 20 kilometres (12 mi) southeast of Biella.
Castelletto Cervo borders the municipalities of Buronzo, Gifflenga, Lessona, Masserano, and Mottalciata.
Official website
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