Head to the hamlet of Munet, in the commune of Arvière-en-Valromey. If you are coming from Artemare, cross the hamlet, pass by the Virgin Mary statue and take the first street on the right. At the crossroads, continue straight ahead. Follow the gravel path to a small car park in the forest on your left.
(S/E) Leave the car park and immediately turn left onto the path that climbs alongside the Brançon stream. Follow the yellow markings. After a good kilometre, pass the Virgin of the Combe and continue climbing until you reach a stony path.
(1) Turn right, then, at the bend, turn left towards the Col du Colombier. From there, walk for about 1 km.
(2) Take the path on the left that leads to Grand Colombier. Continue until you reach the road.
(3) Descend to the left for about 100 m, then take the path that climbs to the right. Follow the yellow markings, passing a few barriers. Soon the path will take you back to the road. Continue uphill for about 1.5 km to the pass.
(4) At this point, you will likely encounter a few people, including many cyclists. Take the path on the left that leads to the Croix du Colombier, then to the orientation table.
(5) Enjoy the 360° panorama: if the weather is good, you can see Mont Blanc, Crêt de la Neige and Mont Mézenc. Retrace your steps.
(4) Head opposite to climb up to Grand Colombier.
(6) Continue along the ridge, following theGR® trail. Pass under the pylon and follow the path down to the road. Walk for about 500 metres, then turn right towards the Grand Colombier inn. At the three-way junction, turn right and walk a few metres.
(7) Do not go to the inn, but take the path on the left, following the yellow markings. Climb up to a barrier, cross it and begin the descent. You will come to another barrier and a crossroads.
(8) Head straight ahead towards Chanduraz.
(9) Leave the path on the right for now (you will take it on the way back) and continue to the Chanduraz viewpoint.
(10) Retrace your steps.
(9) Turn left and begin the long descent towards Planapose. Head towards the barns at Izena.
(11) Continue straight ahead towards Munet. Turn right at the next crossroads and continue in this direction until you reach a stony path.
(12) Turn left. At the three-way junction a hundred metres further on, turn right.
(13) Turn left and continue towards Munet.
(14) Continue left and return to the car park at the start (S/E).
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