Path: Bosco-Costa-Passo del Cirone-Cirone-Costa-Bosco
- Trail Conditions: By bike
- Departure: Campo sportivo di Bosco di Corniglio
- Difficulty Level: MC+/MC
- Length: 8.8 km
- Difference in height: 430m
- Type of ground: Asphalt: 13%, unpaved roads: 80%, path: 7%
- Markers: Directional arrows
- Presence of water: Bosco (playground)
- Rest areas/facilities: None
Short and technically easy itinerary but with steep climbs suitable for trained bikers that crosses the Tuscan-Emilian ridge at the Cirone Pass.
Further information