- Departure: Pont Pian de la Sega Torrente Maè
- Arrival: Rifugio Sommariva al Pramperet
- Difficulty Level: EE – For expert hikers
Access trail with a stretch developing in the Park.
Well-marked itinerary for expert hikers.
Localities crossed: Val del Ges – Col de Carpegna Alta – Col dei Gai di Cornia – Casera de Cornia – Forcella Piccola.
Altimetry: 647 – 1,943 – 1,857.
Connections with C.A.I. trails: 513, 514, 543, 523.