On the D41 between Cruseilles and Monnetier, go past the Col du Piton and park at the side of the road in a small car park – altitude 1300m.
(S/E) Cross the road, head north-east and follow the signposted route for “Grand Piton” and “La Croisette”.
(1) A little further up, at Les Chavannes, leave the path towards La Croisette and follow theGR® markings to the right through the mountain pastures. Join the road without taking it and stay roughly parallel to it. This will take you to the Col du Piton.
(2) Cross the road and climb for about ten minutes to the summit of the Grand Piton (panoramic views of Geneva and Lake Geneva).
(3) Retrace your steps back to the pass and the road.
(2) Follow the road to the left to return to the car park (S/E).
