Start: banks of the Aulne, at a place called Toul ar C'heffeleg (access via thesecond roundabout at the Pouillot interchange.
Yellow markings
(S/E) From the car park, turn right (south-west) onto the towpath downstream. Pass the first lock (Guillec).
(1) Continue southwards until you reach the second lock, the Aulne lock. On your right, you will see the canal wildlife interpretation centre and a memorial to the Pennarpont-Beuzit-Keraliou resistance fighters, and on your left, the old boathouse.
(2) Continue along the path beside the river, which forms a large circular curve to the right. The towpath takes you under the bridge carrying the N165 Brest-Quimper road.
(3) Continue to the third lock on the route, Prat-Hir.
(4). Here, leave the banks of the Aulne and follow the road that climbs to the right. When you reach the expressway, turn right and follow it to the bridge.
(5). Cross the bridge and continue left along the small road that climbs up to the Notre-Dame de Kerluan Chapel (a pleasant place to take a break).
(6). Continue along the road to the Pont du Lec bridge, which crosses the expressway.
(7) Do not take this bridge, but continue straight ahead, leaving the access road to Le Lec on your right. Pass Mezambellec, leaving the access road to the hamlet of Quélennec on your right, to arrive near the road interchange.
(8) Turn right, then after about 200 metres, turn left at a farm and follow the road down to the river, which is the road you took when you arrived by car. This will take you back to the starting point (S/E).