Park in the car park in front of the school in Thuy-dessus or, alternatively, at the Lac de Thuy car park.
(S/E) Walk past the chapel towards Les Rassettes. Go past Les Rassettes and head for the crossroads of paths.
(1) Take the path on the left which runs alongside the Sappey stream.
(2) At the Croix du Chanty, follow the signposted path to the right (sign for Nant du Sapey). At the ‘vanosse’ sign, the path descends steeply to reach the bank of the stream. (narrow and slippery section in wet weather)
(3) Cross the ford as best you can; there are a few stones to help you across. The path continues to the right, then turns sharply south-west until it meets the Route du Sappey.
(4) Head up the road to the right as far as the Sappey Chapel.
(5) Take the path that starts on the left, just before the chapel; look out for the signpost for the Chalet de la Têtaz here. Follow this fairly steep path. When you reach the junction with the Chemin de la Verpillière, turn left to reach the viewpoint. Continue on to the Chalet-Refuge de la Têtaz.
(6) From the Refuge de la Têtaz, head north on a gentle climb before quickly beginning the descent (tricky in places), which leads to the hamlet of La Rosière.
(7) Pass La Rosière on your right and turn left onto a track suitable for vehicles, which descends southwards towards Nant Debout. Follow the stream along its right bank to reach Grange du Fresnay.
(8) Here, rejoin theGR®®96and follow it to the hamlet of Nant Debout.
(9) Leave theGR®®, turn left and follow the track to Thuy-dessus and the school car park (S/E).
