 Its basement is mainly formed of Triassic limestone, the intermediate portion of younger limestone, of Jurassic origin, and the summit of layers of Eocenic schists.The eastern slopes of the mountain, facing the Pesio Valley, are part of the Natural Park of Marguareis, a nature reserve established by Regione Piemonte.The Cima della Fascia can be reached hiking from Limone Piemonte.