S21 Gurro loc. Tresco, bivio S01 - La Piota
From Tresco above Gurro, crossroads with S01 and GTA, climb to the top of la Piota where you reach the Sentiero Bove. You pass by Vanzone, from the chapel of Fulca with the unattended bivouac and the Alpone.

S21 Gurro loc. Tresco, bivio S01 - La Piota