The Mont Blanc massif (Occitan: Massís del Mont Blanc; Italian: Massiccio del Monte Bianco; French: Massif du Mont-Blanc) is a mountain range in the Graian Alps. It is named after Mont Blanc, at 4,810.45 m the highest summit of the Alps. It is located in France (Haute-Savoie and Savoie), Italy (Aosta Valley), and Switzerland (western Valais).
