 From the west, the Route des Grandes Alpes enters the Cayolle Pass () first on the way to the Alps and the sources of the Var in the commune of Entraunes.Then the route follows the Col de la Bonette – the highest pass in Europe at – to connect to the valley of the Tinée then the Ubaye.Further east, the Col de la Lombarde () above Isola 2000 allows access to the shrine of Saint-Anne de Vinadio in Italy.