spikes due to tunnels 1.(00.0km, 724m) START-END NORTH: Le Bourg-d'Osians
2.(31.1km,1650m) Villar-d'Arene
3.(38.5km,2058m) TOP: Col du Lautaret and jct with col du Galibier
4.(52.7km,1456m) La Monetier-les-Bains
5.(57.8km,1384m) Villeneuve
6.(66.1km,1213m) START-END SOUTH: Briancon
7.(96.0km, 889m) START-END SOUTH ALT: Bridge over sidestream to "La
Durance" outside of Za du Villard.
