Guidebook with maps/step-by-step
Starting point: Le Bettex
Take the multi-purpose track towards the Monts Rosset d'en Haut.
After 800 metres, turn right and take the Valléenne track.
Follow the track towards Freney d'en Haut.
At Freney d'en Haut, take the path above the Route de Saint-Gervais, then follow the Chemin du Giroux.
At the junction with the Route des Ponthieux, turn right then left onto the Chemin de Pétrizon.
At the junction with the Route des Morets, head towards the Route d’Orsin.
Turn left onto the Route d’Orsin towards Robinson, then turn right onto the Route de Megève.
200 metres further on, turn left towards the Route des Amerands, then take the first path on the right.
Head downhill towards Fontaine Froide.
At Fontaine Froide, turn right then left downhill towards the Parc Thermal.
The finish line is on the left bank of the Bonnant, at the footbridge in the Parc Thermal.