The GTJ Cyclo in Ain breathtaking 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.
