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Parking on a large logging area, Route du Bisontin, on the left coming from Liebvillers after the last house in the village (chalet).
(S/E) Continue south-east along the road, following the yellow and blue markings to the Sillots farm, then take the forest road.
(1) At the entrance to the forest, leave the main path and take the second path on the right, marked with a "wrong direction cross".
After the fallen rock and the spring, the path climbs gently and joins the forest road at the pass.
(2) Continue along the wide, descending stone path. You will find the yellow and blue markings again.
Walk in the open for a few hundred metres, passing under two high-voltage power lines, before entering the forest again. Continue straight ahead.
(3) Pass in front of the terraced tufa formation (a) (on the left) and continue along the path down to the next pastures (cattle may be present, there are designated passages and two short wet sections to cross). You will reach a tarmac road.
(4) Fork in the road for a round trip:
Turn right downhill. After the houses, follow the signs for Chapelle du Mont (double yellow-blue and white-redGR®5markings). Retrace your steps to the fork.
(4) Continue straight ahead and follow the signs for Viaton - Liebvillers, which take the old cart track towards the Chamesol plateau.
(5) At the Viaton crossroads, turn left towards the Grotte du Bisontin and follow the yellow and blue markings (no. 71).
Caution: the path follows the edge of the cliff and regularly comes quite close to it. These areas are generally secured by a cable. Several promontories offer beautiful views but are not protected.
(6) Go around a landslide with a small natural arch at the bottom (b).
Shortly after passing the high-voltage power lines, the trail runs alongside an enclosure. On this section, it becomes a little chaotic.
(7) The route leaves the ledge via a short steep path on the left.
At the end of the rocky steps, take the new, easier route that passes to the left at the foot of the cliff (white gravel).
Reach the large arch and the Grotte du Bisontin (c), then continue the descent via a quick path.
(8) At the fork in the forest road, turn right towards Liebvillers (No. 70). Return to the path you took on the way out, pass the Sillots farm and return to the car park via the tarmac road. (S/E)
Visorando member
Easy 
