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This hike, as initially described, can only be done in good weather following the installation of a temporary wooden bridge over the Semois. This bridge can be installed from May to the end of August, but I advise you to call the tourist office for confirmation (if it is not installed, see practical information).
Parking is available along the road in front of the village house, between the mill and Château Pierlot.
No signposts
(S/E) With your back to the château, head towards the bridge over the Semois. From the bridge, you can see the mill with its water wheel. Head towards the N865. Turn right.
(1) Go straight up the road on your right, Rue de Thibeauroche. At the house, stay on the tarmac road. Pass the farm in the bend, ignore the farm track just after the farm and the next one at the entrance to the woods. Enter the forest, a little further on your right you will see railings, this is the Thibeauroche viewpoint. Then continue along the forest track until you reach a crossroads.
(2) Turn right and descend to the Semois. Cross the wooden bridge, and on the island, take the diagonal path on the right towards the fixed bridge. Cross the bridge and head left towards the campsite barrier.
Red rectangle markings
(3) Turn right before the campsite barrier and take the path along the fence. Follow this path uphill to the crossroads. Leave the markings behind for a circular route including the cave and the Croix de Saint-Remacle. Return via the path in front of you.
No Markings
(4) Turn left towards the cave.
At the fork, go left to explore the cave. Retrace your steps.
Once back, continue left towards the ascent to the Croix de Saint Remacle, to the left of the shelter. At the viewpoint of the cross, there is an information board and a bench. Return to the ridge path, follow this path into the forest and descend the slope to the edge of the path. As the path is not well marked at the end, you will need to jump over the embankment to get down to the forest path.
(5) Turn right for a few metres and then left at the hairpin bend.
(6) At the end of this path, which is also poorly marked towards the end, do not jump over the embankment straight away, but walk along it to the right to pass a pile of tree trunks left in the middle of the forest path a little further on, and only then descend onto the path. Walk along the stream (not on OpenStreetMap). At the intersection, turn left and cross over the stream.
(7) Turn right onto the next forest path. Be careful, as this section is wilder and muddier because the path has been neglected and there are several tree trunks in the way. Stay on the main path, which further on turns sharply to the left and then climbs.
(8) At the T-junction, you will come to a better-maintained forest path. Turn right and return to the cave junction.
Red rectangle markings
(4) Turn left. Stay on the main path. Ignore a path joining you on your left and continue to the road. Cross and take the path almost opposite.
(9) At the fork, turn right and go downhill. Further down, the path turns sharply to the left until it reaches a T-junction.
(10) Turn right and descend to the road. Ignore the first forest path on your right. Leave the red rectangle markings.
GR® markings
(11) Take the second path on your right, called Sentier Chauchet. At the fork, keep left. The path will be partially secured when you reach the Mergyre viewpoint. Continue up the path to the chapel. Leave theGR® markings.
No markings
Go around the chapel to take the path on its right. When you reach a wide path, continue downhill.
(12) At the bend, go straight ahead on the path opposite. Pass behind a campsite. At the fork, keep left and you will arrive at the corner of a lodge. Take the road leading to the house and return to the car park. (S/E)
Visorando Member
Difficult 
Easy 
