Route St.Nazaire to Villard-de-Lans  

From St.Nazaire-en-Royans the route passes through the picturesque town of Pont-en-Royans then climbs the Gorges de la Bourne to Villard-de-Lans. The return is over the Herbouilly climb followed by a fast descent to St.Martin-en-Vercors then through the new tunnel of the Grands Goulets.