Guidebook with maps/step-by-step
0/ Start: Lac de Fontaine parking lot
1/ Take the forest path to the left of the lake, towards "Chalets de Bise".
2/ At the Bise mountain pasture, take the path on the left towards "Col de Floray" and "Col de Bise".
3/ At the next intersection, take the path on the left towards "Col de Floray".
4/ At Col de Floray, descend to Lac de Darbon.
5/ At the lake, follow the path towards "Darbon".
6/ At the Darbon chalets, take the path down to the left towards "Bouaz Dessous", "Bouaz Dessus" and "Lac de Fontaine".
7/ Take this path downhill to Lac de Fontaine.