Detailed itinerary :
- Turn right out of the parking lot towards Briançon and continue straight ahead on the RD 1091.
- On leaving the village of La Grave, go through the Serre du Coin tunnel, then the Ardoisières tunnel (caution: the tunnels are poorly lit).
- At the end of the tunnel, continue on the RD 1091 and go around the village of Villar d'Arène.
- On leaving Villar d'Arène, continue in the direction of Briançon, to the summit of the Col du Lautaret.
- At the Col du Lautaret, turn left towards the Col du Galibier on the RD 902. Climb for about 6 km.
- At the tunnel, turn right and continue up the Col du Galibier to the summit. Don't forget to take the photo once you've reached the top.
- Return to La Grave by the same route.
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