Itinerary of 77 km and with 960m of difference in height that connects the Bassa Val Susa and the Valli di Lanzo. The Colle del Lys is a Natural Park of provincial interest: from here you can admire a striking panorama that sweeps from the plains north of Torino to that of Cuneo until you reach the Maritime Alps.

Avigliana, Almese, Rubiana, Mompellato, Colle del Lys, Col San Giovanni, Viù, Germagnano, Lanzo Torinese, Fiano, Truc di Miola, La Cassa, Givoletto, Grange di Brione, Caselette, Avigliana.