Opening of Mountain Passes in Maurienne Spring 2025

The Maurienne Valley, a true paradise for cyclists, sees its legendary mountain passes gradually reopening with the arrival of warmer days. Whether you’re a fan of challenging climbs or scenic rides, here are the expected opening dates for the region’s main passes in 2025.

Passes Open All Year Round

Good news! Some passes remain accessible to cyclists throughout the year, offering varied routes in all seasons:

✅ Grand Cucheron (1188 m)
✅ Chaussy (1531 m) up to Montpascal
✅ Mollard (1630 m)
✅ Confrérie (1348 m)
✅ Albane
✅ Télégraphe (1566 m)
✅ Beau-Plan (1420 m)

Winter Closures and Expected Reopening Dates

During winter, several mountain passes in the Maurienne are closed due to snow.

Here are the estimated reopening dates:

  • Col de la Madeleine (1993 m): 4th Friday of May

  • Col du Glandon (1924 m): Last Friday of May

  • Col de la Croix de Fer (2065 m): 3rd Friday of May

  • Col du Galibier (2642 m): Last Friday of May

  • Galibier Tunnel: Last Friday of May

  • Col du Mont-Cenis (2085 m): 2nd Friday of May

  • Col de l’Iseran (2764 m): 2nd Friday of May

📌 The Col de l’Iseran, the highest pass in Savoie, is traditionally the last to be cleared of snow, usually at the end of May, with reopening expected in June.

Get Ready!

The opening dates are given as an estimate and may change depending on weather conditions. To stay updated on road conditions in real time, follow the updates from PC Osiris.

Enjoy the legendary mountain passes of the Maurienne and get ready for your next cycling challenge

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