Ruinettes - La Chaux - Col Termin - Lac du Petit Mont-Fort - Col de la Chaux - La Chaux - Ruinettes
Tour of the legendary Bec des Rosses starting in Les Ruinettes. Follow the road until La Chaux, then take the Sentier des Chamois to the Col Termin pass. Once you reach the pass, turn left and continue to the Lac du Petit Mont-Fort. The route then climbs up from the lake over an area of scree to the Col de la Chaux pass, with limited signage along the way.
From the col, go down to La Chaux following the road and continue to Les Ruinettes