Bibbiena - Passo della Calla - Eremo di Camaldoli - Bibbiena

One crosses Poppi, Pratovecchio and Sria before climbing to Passo della Calla via SS 310 del Bidente. At the Pass, take the dirt path on the right that leads in about 8 km of dirt to the Eremo di Camaldoli. Then, first on the SP di Camaldoli and subsequently to the right on the Via di Corniolo, one descends until intersecting with the SP dei Guazzi, and with about 5 km of dirt (if desired, one can continue to the right on asphalt) back to La Pietraia.