Park in the small car park on Rue du Chardonnay.
(S/E) From Les Prunelles, take Rue des Chenevières, turn left then right to leave Pupillin towards Buvilly.
(1) After 500 m, take the path on the left towards the arboretum. Stay on this path and pass in front of the Sept Sergents.
(2) Ignore the path on the right, which will be the return route, and continue along Allée de l'Europe until you reach the arboretum crossroads at the Clavières hunting lodge.
(3) Take the forest track that branches off to the right.
(4) Ignore the path on the right and continue straight ahead to stay on this forest track. Shortly after leaving the forest, the track turns into a very small tarmac road (not for long!). Pass the cross erected by the Tonnerre family and you will soon reach a crossroads.
(5) Stay on this same small road to reach La Mouille (altitude 585 m), where you turn left onto the white gravel path towards the wind farm.
(6) At the entrance to the wind farm, at the information sign, take the large white gravel track straight ahead, towards PSP 05 06.
(7) Turn right towards PSP 05 to reach the crossroads where you will see a sign explaining how a wind turbine works.
(8) Turn left and continue along this small path, ignoring the track on the right.
(9) Turn left onto the small tarmac road (not for long) towards the educational trail. Turn left again at the foot of the CH 6 wind turbine and walk along the edge of the forest for about 200 metres.
(10) Take the path that leads back into the forest on your right behind the red and white barrier that blocks vehicle access. Stay on this same path, turning right after 100 m to join the main forest track.
(11) Turn left towards PSP 04 05 06 and reach the wind farm exit.
(6) Turn right behind a second red and white barrier, go back through La Mouille, then turn right onto the small road.
(5) Follow the path that climbs towards the forest on your left, 100 m before the Tonnerre family cross.
(12) Stay on this same path which climbs into the forest to the Bois de Buvilly and continue straight on towards Les Clavières. Then turn right at a 90° angle and continue for a few metres.
(13) Turn immediately left at the no-entry sign for all vehicles. Continue in the same direction until you descend to the junction with the small road where you started this hike.
(2) Turn left and descend to Pupillin, passing in front of the Sept Sergents.
(1) Turn right to enter Pupillin, turn left in front of the wine cellar and after a hundred metres you will reach Rue du Chardonnay (S/E).

