Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Valle Mosso is a comune (municipality) in the Province of Biella in the Italian region Piedmont, located about 75 km northeast of Turin, 85 km northwest of Milan and 9 km northeast of Biella. As of 31 December 2004, it had a population of 3,965 and an area of 8.9 km². Valle Mosso borders the following municipalities: Bioglio, Campiglia Cervo, Mosso, Pettinengo, Piedicavallo, Strona, Trivero, Vallanzengo, Valle San Nicolao, Veglio.