Aiguille de la Grande Sassière is a mountain in the Graian Alps, on the boundary between the Aosta Valley and the French department of Savoie.
On the Italian side, it marks the end of the Valgrisenche; on the French side it commands the Val d'Isère.
Wikipedia https://en.wikipedia.org/wiki/Aiguille_de_la_Grande_Sassière
Address 11010, Italy
Coordinates 45°30'17.984" N 6°59'59.433" E
