Le Bourg-d'Oisans is a commune in the Isère department in southeastern France. It is located in the Oisans region of the French Alps. Le Bourg-d'Oisans is located in the valley of the Romanche River, on the road from Grenoble to Briançon and on the south side of the Col de la Croix de Fer. It is often on the route of the Tour de France, as the town sits at the base of the road climbing to Alpe d'Huez with 21 hairpin bends.