 At the foot of Mount Bisalta, whose name derives from the fact that it consists of two peaks close to each other but well distinguished, the highest one is 2404 m above sea level.With its main villages, S. Margherita, S. Lorenzo, S. Giovenale, Madonna dei Boschi, Montefallonio, Pradeboni (at an altitude of 950 m above sea level), has more than 5000 inhabitants.The town covers a large valley facing north-east and is protected in the north and west side from the S.Giorgio hill and the foothills of Moncalvino, whereas in the east side is open to Chiusa Pesio and the plain.