Col de la Croix de Fer Climb Profile

By : Mr Mamil
Updated :

The Col de la Croix de Fer (2,067m) is a high mountain pass in the French Alps, located in the Hautes-Alpes department. It connects the towns of Saint-Jean-de-Maurienne in the east and Le Bourg d’Oisans in the west.

The best time to visit Col de la Croix de Fer for cycling is from June to September, when the weather is warm, and the roads are open.

 Col de la Croix de Fer can be climbed from two directions;

  • Saint-Jean-de-Maurienne (northeast)
  • Barrage du Verney (southwest)

Starting point : Saint-Jean-de-Maurienne

Saint-Jean-de-Maurienne is located northeast of Col de la Croix de Fer.

From Saint-Jean-de-Maurienne, it’s a long climb to Col de la Croix de Fer, 28.1km averaging 5.5%.

Once at the summit, you can proceed with a short 3km descent, bringing you to Col du Glandon. If you continue to descend from the Col du Glandon, you’ll reach the stunning Lac de Grand’Maison (Grand’Maison Lake).

Distance28.4km
Climb categoryHC
Elevation gain1,586m
Minimum elevation592m
Maximum elevation2,041m
Average gradient5.1%
Maximum gradient12.0%
Strava segmentCol de la Croix de Fer from Saint-Jean-de-Maurienne
Col de la Croix de Fer from Saint-Jean-de-Maurienne

Starting point : Barrage du Verney

Barrage du Verney (Verney Dam) is where the official climb to the Col de la Croix de Fer starts. Many cyclists prefer to base themselves at Le Bourg-d’Oisans, 12km away. 

The climb up Col de la Croix de Fer from Barrage du Verney is 24.9km, averaging 5.1%. By doing this climb, you’re summiting Col du Glandon too. Take a left turn onto D927 after 22km into the climb from Barrage du Verney. The summit of Col du Glandon is 200m away from the left turn.

From here, make a U-turn and continue for another 3km towards the summit of Col de la Croix de Fer.

Distance24.9km
Climb categoryHC
Elevation gain1,461m
Minimum elevation796m
Maximum elevation2,079m
Average gradient5.1%
Maximum gradient49.4%
Strava segmentCol de la Croix de Fer from Barrage du Verney
Col de la Croix de Fer from Barrage du Verney

Col de la Croix de Fer in the Tour de France

Col de la Croix de Fer is a Hors Catégorie (HC) climb and has featured 21 times in the Tour de France dating back to 1947.

In 2022, it was the second to last climb of Stage 12 that finished atop the Alpe d’Huez. The peloton climbed from Saint-Jean-de-Maurienne and descended into Barrage du Verney before proceeding to Le Bourg-d’Oisans and finishing on Alpe d’Huez.

Tom Pidcock won the stage that day after a descending masterclass down the Col du Télégraphe.