On the fourth day from Campigna go up to the Calla Pass following the path that crosses along the hairpin bends of the road. From the pass, take the comfortable forest track that runs near the ridge between the integral reserves of Sassofratino and Pietra, in an enchanted forest setting. The wood is a compact and continuous expanse, from which you can only exit to the grassy and very panoramic island of the top of Poggio Scali (1520 m).
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