The Route des Crêtes is an 89 km (55 mi) 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 departments of Haut-Rhin (68) and Vosges (88). Most of the route is at an elevation in excess of 950 m (3,117 ft), with the highest point being at the Col du Grand Ballon (1,343 m (4,406 ft)). The road is generally open from April to November, but most of the route is closed in the winter by snow.
- 4 Jardin d'altitude du Haut Chitelet - a botanical garden specializing in high-altitude plants, maintained by the Jardin botanique du Montet and the Conservatoire et Jardins Botaniques de Nancy.