Start at Impasse du Château.
(S/E) At the end of the cul-de-sac, take the footbridge on the left to cross the river. Follow the path for 350 metres, crossing another footbridge. Go around the first pond on the left and, just before the middle of the eastern bank, join the road on the left.
(1) Take the road on the left for 100m. Turn right onto a path and walk along a second pond on the left.
(2) When you reach the D223, turn left onto Rue de l'Epinoy. Go to the end of the street and cross the Doliger canal. Then turn right onto Rue des Déportés (D1015). After 300m, you will come to a roundabout. Take the left-hand exit and continue for 20m.
(3) Take Chemin du Bout du Bois on the left. The path climbs uphill; stay on the main path on the left at the first intersection. The path runs alongside the Côte de Monthières for 700 metres. Pass the farm at the end of the woods on the right.
(4) Take the first path on the left (PR®). Continue for 1000m until you reach a road.
(5) Cross over to follow thePR® which continues opposite.
(6) After 400 metres, turn left (stillPR®) to rejoin the parallel path, 50 metres away, which you will take on the right (Chemin des Charbonniers). Follow the path for 700 metres.
(7) At the intersection in the clearing, leave thePR® and turn left onto the path that goes uphill. After 500 metres, cross the D936 road and continue straight ahead on a small road. You will arrive at Tilloy-Floriville.
(8) At the intersection, take the path opposite. At the next intersection, turn left at an acute angle. After 500 metres, continue straight ahead on the tarmac road.
(9) At the crossroads (chapel), turn right at a sharp angle and you will arrive at the Château de Floriville.
(10) Pass the château, continue to the end of the road 100 metres away, and turn left at the T-junction. Follow the road for 400 metres.
(11) At the T-junction, turn left and, after about 50 metres, turn right onto the path at the entrance to the woods. Stay on the main path (west-southwest) for 500 metres. At the intersection, take the path on the right that descends towards Hélicourt. After 500 metres, join the D22 road and follow it to the right.
(12) At the crossroads, turn left. Head north-west to the church and cemetery.
(13) Take the path that branches off to the right 20 metres after the cemetery. The path climbs up to join the D48, follow this to the right. At the first crossroads, turn left.
(14) At the intersection, turn left at an acute angle (south). Follow the main road down to Gamaches. After about 1.5 km, pass a relay tower, continue and pass the cemetery.
(15) Turn left and continue to the intersection (you are now in Gamaches). Turn right. At the traffic lights on the D1015, turn left and then take the second right to reach Impasse du Château (S/E).
.