Signposted 10km route between Charly, Présilly, the Mont Sion and Croix-Biche passes, featuring the late 19th-century granite stonemasons known as "graniteurs" from Piedmont and Lombardy.
A large number of granite blocks from the Alps have been deposited by ancient glaciers on Mount Sion. However, most of these blocks show signs of having been quarried... .
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All year round daily.