The 110 km ultra trail / La Transju ' trail

Between Champagnole and Les Rousses, the 110km ultra trail will be a total immersion in the heart of the Jura, through its wild landscapes and natural heritage. From the mysterious pertes de l'Ain to the gorges de la Langouette, the route continues to Foncine-le-Haut. Arrive in the heart of the village of Les Rousses.