Route n°1 : An itinerary with plenty of shade, very pleasant in summer. Head for "La Pinéa" on the waymarked path.
Col de Porte - Le Mauchon
Col de Porte
38700 SARCENASFollow this path to Les Frettes. This is where you can take the outward/return variant with a small single and some rock climbing before reaching the summit. You then descend to the riverbed before climbing back up to Gervais, then returning to Col de Porte via Le Mauchon.
Free access.
All year round daily.
The starting point is : from the Prairie du Col de Porte
(signpost at the start of the Charmant Som road)