The route starts at the Town Hall Square of Agra. Turn into Via Croci, go past the Parish Church on the left and the car park on the right and turn into the mule track to Due Cossani on the right. Walk downhill going past the wash house and continue along a path in the wood which goes down to the village of Due Cossani crossing Via SIlvio Pellico. Take this street on the left winding through the small streets of the village until you reach the junction to the SP6 Dumenza – Curiglia. Continue as far as the porch of St. Elizabeth's church, turn left into Via S. Elisabetta and then left again into Via Raffaello Sanzio along which you walk until you reach the junction to SP6 Dumenza – Curiglia. Turn left heading to Curiglia and then turn right at the crossing to Regordallo. Go past the football field on the right and turn right at the beginning of the mule track to Dumenza. Cross the Rio Colmegnino on a stone bridge and continue along the mule track winding at half slope through the wood until you reach the crossing of the mule track to Stivigliano on the right (173). The route now continues on the paved road and goes beyond the crossing on the left of the fire break road heading upwards towards Monte Colmegnino (173) and goes on between woods and farmland as far as Trezzino, where there is the junction to the road entering the Valle Cortesel (8th leg of the 3V path, path 108). Continue on the right along Via XX Settembre as far as the wash house, next to it go past the junction to the Trezzo Sanctuary (172) on the left and walk along Via XX Settembre until reach the car park, that is the end of the itinerary.