Access Chanteloube, From the main Durance Valley road, South of Roche de Rame, the Champcella Aerodrome is signposted to the west. Take the road, over the river over a narrow steel bridge and follow the road right and round the end of the runway and up towards Chateloube, from the village follow the route on the picture, parking off the road on the left.

How can it be in the Haute Savoie?

well spotted! Now corrected, thanks for the feedback.