The Aiguilles du Diable (literally Devil's Needles, ) are a group of five rock needles, all over 4,000 metres high, on the southeast arête (also called the Teufelsgrat or Devil's Ridge of the Mont Blanc du Tacul. The pinnacles lie within the French part of the Mont Blanc Massif in the departement of Haute-Savoie. The highest needle is L'Isolée (4,114 m), followed by Pointe Carmen (4,109 m), Pointe Médiane (4,097 m), Pointe Chaubert (4,074 m) and Corne du Diable (4,064 m).