Park at the edge of the picnic area, behind Longueville Town Hall (D125 Rue Ecrammeville).
(S/E) Go down the street on the right to reach a four-way crossroads.
(1) Turn right onto Rue de la Madeleine and pass Château de la Madeleine. Continue straight ahead on the dirt track to Clos Buisson. Turn left, then right onto Chemin du Moulin de la Ronchette. At the end of the track, you will reach the D124 crossroads.
(2) Turn right (you can turn left to see the Amferville manor house 150 metres away). Follow the road and then turn left towards Canchy. You will arrive at Maison Héroult.
(3) Take the path on the right that runs alongside a stone wall (before the bus stop) and turn right. On the left, 100 metres away, you will find the castle, the church and the Canchy picnic area.
Return to the D124 and follow it to the left to reach the entrance to the hamlet of Ès Mares.
(4) Turn right onto the road and immediately left after the house to reach the Moulin wash house. Turn right.
Turn left towards Hameau ès Mares, passing the Planche farm.
(5) Turn left to enter the marsh. The gravel path becomes grassy, zigzag and rejoin a wide gravel path. Take it to the left, then go up the road to a wall with a rounded corner for carts to pass.
(6) Turn right. In the bend, leave the road and take the path opposite. Take the footbridge to cross the Aure and enter the marsh. At the crossroads, turn left and then immediately right onto the grassy path. Follow the Aure, ignore the paths on the right and left, then cross the river on the concrete bridge.
(7) Turn right and at the end of the road, take the path that climbs left towards the Mabire farm. Cross the D124, take the path opposite and then, at the junction with the road, continue straight ahead.
(8) At the crossroads, turn left. Continue to the junction with Rue du Galetay.
Turn right onto it before reaching the trail junction.
(9) Take the path on the left, continue and then turn right onto Chemin du Buron. You will soon reach the D125. Turn right and then left at the corner of a large building. Pass the houses (note the wash house at the end of a small road on the left) and turn right onto a gravel path.
(1) Continue straight ahead. At the end, take the D125 on the left to return to the starting point (S/E).
