Itinerary no. 2: Same as the easy "Col de Porte" route to Gervais, then on to Le Crêt and Sarcenas. Continue on the Fa and branch off towards Col de Bens and then Bens.
The calculation of the difficulty of each course takes into account the length, the positive vertical drop, the greatest continuous positive or negative vertical drop as well as the technicality of the terrain.
Blue markings
Guidebook with maps/step-by-step
Over the ridge to the Col de Palaquit, used by the Tour de France riders in 2014, then Appanon. We then climb back up to the Col de Porte. The trails can be muddy after a day of rain.