Courmayeur is an Italian town and comune in the autonomous region of Aosta Valley, in northern Italy. It is located at the foot of Mont Blanc, the highest mountain in western Europe, in the Graian Alps range, and is crossed by the Dora Baltea. 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, although as the summit lies within the commune of Saint Gervais, it is the only French town that can claim to be the Top of Europe. Courmayeur also shares access to the famous glacial ski run of the Vallee Blanche with a French town, but in this case with Chamonix which sits at the other side of the peak known as the Aiguille du Midi.