Courmayeur is a town and comune in northern Italy, in the autonomous region of Aosta Valley. At an elevation of 1,224 m above sea level, it is located at the foot of the southern side of Mont Blanc, at 4,810 m the highest point in the Alps and western Europe, and is crossed by the Dora Baltea river. Courmayeur shares administration of Mont Blanc with its neighboring commune of Saint-Gervais-les-Bains in France, and is consequently able to claim the title of highest commune in Italy.