Col de Joux Plane


Col de Joux Plane is a high mountain pass in the Alps in Haute-Savoie, France, linking Morzine with Samoëns. The climb has been featured several times in the Tour de France cycling race.

Climb details

  • Starting from Samoëns, the Col de Joux Plane is 11.7 km long with an average gradient of 8.5% and a maximum gradient of 10%.
  • Starting from Morzine, the Col de Joux Plane is 10.9 km long with an average gradient of 6.5% and a maximum gradient of 11%.

    Tour de France

Col de Joux Plane has been used a total of 13 times by the Tour de France since its debut in 1978.
YearStageCategoryStartFinishLeader at the summit
1978171GrenobleMorzine
1980171Serre-ChevalierMorzine
198118HCThonon-les-BainsMorzine
1982171Bourg-d'OisansMorzine
1983181L'Alpe d'HuezMorzine
1984191La PlagneMorzine
198722HCLa PlagneMorzine
199118HCBourg-d'OisansMorzine
199715HCCourchevelMorzine
200016HCCourchevelMorzine
200617HCSaint-Jean-de-MaurienneMorzine>|USArefn|group=n|name=Landis|Landis was disqualified from the 2006 Tour de France as a result of a urine sample on stage 17 that was positive for banned synthetic testosterone as well as a ratio of testosterone to epitestosterone nearly three times the limit allowed by World Anti-Doping Agency rules.flagathlete||COLflagathlete||DEN

Tour de France Femmes

The Col de Joux Plane was featured on Stage 9 of the 2025 Tour de France Femmes
YearStageCategoryStartFinishLeader at the summit
20259HCPraz-sur-ArlyChâtel – Les Portes des Soleilvan der Breggen.png" />Anna van der Breggen|NED