The GTJ Cyclo in Ainbreathtaking scenery and ascent of the legendary Grand Colombier pass.
The route enters the Ain department magnificently through the Valserine valley, following this watercourse classified as a “Rivière Sauvage”. It then leaves the Valserine and the crests of the Haute-Chaine du Jura at Valserhône, before tackling the ascent of the Col de Cuvéry to reach the Plateau de Retord. This is followed by bucolic landscapes and a downhill profile to Culoz.
 GTJ Bike route
GTJ Bike route





















