Located on the edge of the Mazarin forest and the Bar Valley, discover the Ardennes canal and its famous tunnel. During your journey along this trail No. 13, enjoy the viewpoints over this beautiful and wide valley and pass through the Saint-Aignan tunnel, which is several hundred meters long.

At the starting panel located near the town hall, head towards Malmy.
Turn right onto "Rue du Chaud" towards the washhouse.
At the top of this street, turn right to take a grassy path.
Continue along the edge of the forest and enjoy the viewpoint over the Bar valley and the Ardennes canal.
Enter the forest.
At the intersection, follow the forest path that rises to the left (marker 5/10).
At the top, descend the path slightly to the right.
At the foot of the hill, turn right and continue along the path at the forest edge until the automatic lock of Saint-Aignan.
Continue straight for 1km to the lock keeper's house where you can take a break at the picnic tables located near the canal.
After this house, turn right to go under the tunnel and continue along this section of the Green Way for 2km until you reach the Omicourt bridge.
Climb and turn right to return to your starting point.