(photo by: Archivio PNDBL)
- Departure: Rifugio Sommariva al Pramperet
- Arrival: Rifugio 7 Alpini Pis Pilon
- Difficulty Level: EE – For expert hikers
Trail entirely developing in the Park area.
Itinerary for expert hikers. Trail crossing Schiara Group with long difficult stretches and vie ferrate on Schiara Group.
Localities crossed: Rifugio Pian de Fontana – Forcella La Vareta – Casonet de Nerville – Forcella del Marmol – Bivacco del Marmol S. Bocco – Via ferrata del Marmol.
Altimetry: 1,857 – 2,351 – 1,632 – 2,266 – 1,490.
Connections with C.A.I. trails: 523, 543, 521, 520, 536, 518, 528, 503, 502, 513, 505.