Head fro Switzerland and Vonnes Lake. The starting point is by the small chalet on the left shore of the lake, near the car park. You can also join the start of the walk by the shuttle bus from the center (Church square) to Vonnes Lake.
Itinary follow signs for Villapeyron for around 2km. At the junction at Villapeyron bridge, the starting point for the trail is at the end of the small road in front of you. You can left your car at the Linga's car park at 50 meters.
Head for Pré-la-Joux from the village center, then turn left at Villapeyron bridge. Carry on along this road for around 4km as far as the small car park on the right just before Pré-la-Joux bridge (near the Pré-la-Joux chairlift).