- Trail Conditions: On foot
- Departure: Isola Fossara (460m)
- Arrival: Chiaserna (497m)
- Length: 18 km
- Difference in height: Uphill 1,356m - Downhill 1,319m
- Minimum Altitude: 460m
- Maximum Altitude: 1,467m
A quite long trail with a large difference in height takes us into Marche territory, at the bottom of Mount Catria.
Further information222 lap of: Sentiero Italia CAI