Route des Crêtes is an road in the Vosges Mountains in eastern France, which passes through the Parc Naturel Régional des Ballons des Vosges. It connects Sainte-Marie-aux-Mines (north) with Cernay (south) and runs on the border of the departements of Haut-Rhin (68) and Vosges (88). Most of the route is at an elevation in excess of , with the highest point being at the Col du Grand Ballon . The road is generally open from April to November, but most of the route is closed in the winter by snow.