14.9 km | 28 km-effort
About
Presentation
Pointe de l'observatoire
Walking
Very difficult
Pralognan-la-Vanoise,
Auvergne-Rhône-Alpes,
Savoy,
France
17.7 km | 35 km-effort
5h 15min
Yes
Col du soufre et bas du glacier de Gébroulaz
Walking
Very difficult
Pralognan-la-Vanoise,
Auvergne-Rhône-Alpes,
Savoy,
France
22 km | 39 km-effort
8h 48min
Yes