The Great Alpine Crossing by Bike

Leaving Thonon-les-Bains , you'll head up the valley to the foot of the Col des Gets (1170m) . A gentle climb precedes a pleasant descent. But the real challenge begins with the Col de la Colombière (1613m) , a demanding ascent that will test your legs. After a fast descent towards Le Grand-Bornand , you'll tackle the start of the Col des Aravis , before reaching La Clusaz , your destination for the day.

⚠️ For the date of June 13, 2026, departure will be from Annecy due to the G7 summit in Evian-les-Bains. Two options will be offered:

Glières Plateau Option

Ascent of the Col des Glières (1,425 m) and crossing of the legendary plateau (2 km of unpaved track) before the climb to the Col de la Colombière. (105 km – 2,700 m elevation gain)

Col des Fleuries Option

More accessible route via La Roche-sur-Foron and Bonneville, before climbing the Col de la Colombière. (94 km – 2,100 m D+)

You begin the day by climbing the Col des Aravis (1486m), which, weather permitting, offers breathtaking views of Mont Blanc. The road continues to the Col des Saisies (1650m) before a beautiful descent towards Beaufort, home of the famous cheese. Save some energy, because the climb to the Cormet de Roselend (1968m) awaits, rewarding you with a magnificent landscape surrounding its turquoise lake.

Just one climb today, but 48km of effort to reach the summit of the Col de l'Iseran (2764m) , the highest paved mountain pass in the Alps. You'll ascend the Tarentaise Valley, passing by Lake Tignes and Val d'Isère , before tackling this spectacular climb. The descent then plunges into the Maurienne Valley, but the stage isn't over: a final climb to Aussois awaits you before a well-deserved rest.

After descending to Saint-Michel-de-Maurienne , a legendary climb awaits: the ascent of the Col du Télégraphe (1566m) followed by the Col du Galibier (2642m) . A formidable challenge on roads steeped in history, often decisive in the Tour de France . Once at the summit, enjoy the long descent that leads you to Briançon , the finish line of this intense day.

Leaving Briançon , the climb begins with the legendary Col d'Izoard (2630m) and its unique scenery of rocks and lunar landscapes. A pass steeped in history, where the Tour de France has often written its most glorious chapters. After crossing the Guil gorges , the road climbs again towards the Col de Vars (2109m) , where it's not uncommon to spot marmots. A final descent takes you into the peaceful Ubaye valley , perfect for recovering.

Today, we tackle an exceptional climb: the Cime de la Bonette (2802m) , one of the highest roads in Europe. A long and demanding ascent, but rewarded with a spectacular panorama. After a breathtaking descent into the Tinée Valley , the effort resumes with the start of the climb up the Col de la Colmiane , well-known to Paris-Nice riders. An intense day in the heart of the great Alpine passes.

The final challenge of this Alpine crossing! You begin the day by completing the ascent of the Col de la Colmiane (1500m) before descending into the Vésubie Valley . But the adventure isn't over yet: the Col du Turini (1607m) , famous among both cyclists and racing drivers, looms on your route. Once at the summit, a long descent awaits you towards Menton , where the Mediterranean Sea marks the end of this incredible Alpine crossing.