No specific car park. Park along the road opposite the church in Les Hayons, a village in the Bouillon area.
(S/E) With the church on your left, continue straight ahead until you reach the bend in the main road. Continue straight ahead on the secondary road.
(1) At the fork, go down to the right and, before the bend, head towards the path on the left leading to a property. Then turn left onto the forest path running alongside the property fence.
(2) At the fork, at a place called Neuve Voie, continue left for 800 metres. At the crossroads, turn left.
(3) On the uphill stretch, at the fork in Cul de la Huche, turn right. Take the balcony path down to Roche Levée and its shelter. Cross the stream, go around the shelter, and Roche Levée is a few steps further on. Do not cross the footbridge after the shelter, but stay on the path until you reach the road. Turn right and then immediately left after crossing the bridge. Continue along this forest path until you reach a fork.
(4) Follow the path, which turns sharply to the right, ignoring the paths on your left. Climb for 250 metres until you reach a crossroads.
(5) Turn left and follow the forest path until you come to a path that turns sharply to the right. Continue along this path until you reach a T-junction. Turn right, and the path becomes a road. Pass the houses and descend to the crossroads.
(6) Cross the N 816 and continue straight ahead. Cross over the Aleines stream and the Pont des Quatre Bans. Ignore the road on your left and continue up the main road until you reach a path on the right, heading towards La Roche Colas. Descend towards the woods. At the fork with the private road, turn left. After 400 metres, the path turns sharply to the left. Continue along it.
(7) Descend to the right towards the river. Follow it to the tributary and ford it. Head towards the rocks and go around them on the left. Continue climbing until you reach the wide forest path. Turn right. Pass the place called La Roche Colas Tcha Tcha.
(8) At the fork, go right. Descend, and 800 m further on, pass the place called Au-dessus des Prés Luchy.
(9) Turn right and continue downhill. The path then turns sharply to the left. Follow the river until you cross a pontoon bridge and reach the road. Take the road to the right for about 100 metres.
(10) Turn right onto the path towards La Platinerie and climb up to Saut des Sorcières.
(11) At Saut des Sorcières, take the path on your left down to the road. Walk up the road to the right for about 180 metres to reach the Mont Zatrou viewpoint. Retrace your steps and walk down the road for 700 metres, ignoring thefirst path on your right. Turn right towards the covered picnic table and follow the path on the right leading to the houses.
(12) Turn left between the first two houses, walk to the edge of the Semois and follow it to the right until you reach Roche Percée. Cross Roche Percée. When you return to the Semois, you will see a grassy, open space. Walk for 100 m, locate the 112 emergency marker 21-2 on a tree on your left with theGR® markings (well before the fir tree plantation) and turn right onto the path starting further back.
(13) Climb the forest path until you reach a junction with another path 450 m higher up.
(14) Turn right and begin a long climb. At each junction, stay on the main path. Further up, the path turns sharply to the left. Walk alongside the meadows on your right with a view of Auby-Sur-Semois in the distance and Les Hayons and its church in the foreground.
(15) At the end of the meadow, turn right to find a road that leads you to the main road. Turn right and return to the church (S/E).

A beautiful walk, varied landscapes, great views... a few hills to take it easy on! The text, GPS and Visorando route were very clear. Definitely worth doing again!