Departure from the Granges car park.
(S/E) Follow the path where the signs indicate Christomet and Plan de l'Aar. Pass two troughs and arrive at a three-way junction.
(1) Leave the path signposted Bellevarde on your right and continue on the left towards the Chalet de l'Éculley. Walk alongside it and continue up a steep climb through the forest until you reach a track.
(2) Turn right towards Christomet and the Bonjournal refuge and reach the ridge track.
(3) Turn left towards Plan de l'Aar and head for Tête du Christomet.
(4) Take a break to enjoy the Aravis and Mont Blanc massifs, then continue until you find a path on the left after passing the chairlift.
(5) Follow this path and descend to the Refuge du Plan de l'Aar.
(6) Follow the forest road where the various streams offer interesting waterfalls. You will arrive at a crossroads.
(7) Turn left and reach the Plan de l'Aar car park.
(8) After the car park, turn left towards Les Granges and Les Épines Blanches. The discovery trail climbs slightly then descends towards the hamlet of Les Granges.
(9) Pass behind the houses and continue along the tarmac road to the Granges car park S/E::.