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The Oisans mountain passes by bike: profiles, elevation changes and 3D maps

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The 3D relief map: the finest souvenir of your mountain pass

8 August 20268 August 2026 by Billy
3D relief map of an Oisans mountain pass on a wooden base, cyclist's souvenir

Immortalise your climb with a 3D relief map of your mountain pass, customisable with your name and your time. The ideal cyclist's souvenir.

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The hardest cycling cols in Oisans (ranking)

8 August 20268 August 2026 by Billy
Cyclist struggling on a steep ramp of one of the hardest mountain passes in the Oisans

Galibier, Sabot, Croix de Fer, Villard-Notre-Dame, Oz… our ranking of the hardest mountain passes in Oisans by bike, according to the FIETS index.

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What gear ratio for climbing mountain passes? The guide to the right development

8 August 20268 August 2026 by Billy
A closer look at the gearing on a road bike for climbing mountain passes

Compact chainset, 30-34 tooth cassette, cadence: how to choose the right gear ratio to climb the Oisans mountain passes without suffering.

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How to train to climb a mountain pass on a bike

8 August 20268 August 2026 by Billy
Cyclist training while climbing a mountain pass road in the Oisans

Endurance, threshold, power-to-weight ratio, effort management: our training tips to be ready to climb the passes of the Oisans.

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Cycling up the passes of the Oisans on an electric bike (e-bike)

8 August 20268 August 2026 by Billy
Cyclist climbing an Oisans mountain pass on an electrically assisted bike

Alpe d’Huez, Croix de Fer and Galibier by e-bike: battery range, recommended mountain passes and tips for climbing the passes of Oisans on an e-bike.

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The finest cycling loops starting from Bourg-d’Oisans

8 August 20268 August 2026 by Billy
Cyclists on a mountain pass loop starting from Bourg-d'Oisans in the Oisans

Our finest cycling loops from Bourg-d’Oisans: La Marmotte, Croix de Fer–Glandon, Sarenne, the two Villards… for all abilities.

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The finest mountain passes in the Oisans by bike: our top 5

8 August 20268 August 2026 by Billy
Panorama of one of the most beautiful cycling passes in the Oisans, with a turquoise lake and hairpin bends

Galibier, Alpe d’Huez, Croix de Fer, Sarenne, Sabot… our selection of the finest passes in the Oisans to climb at least once.

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When to climb the Oisans mountain passes? Season, opening and weather

8 August 20268 August 2026 by Billy
Cyclist in a windproof jacket descending a high Oisans mountain pass under a changing mountain sky

The best season for cycling up the Oisans mountain passes: high-altitude pass opening periods, heat, wind and weather at the summit.

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Which Oisans pass to climb according to your level?

8 August 20268 August 2026 by Billy
Two cyclists climbing an Oisans mountain pass road suited to their level

Beginner, intermediate or experienced climber: our guide to choosing the Oisans mountain pass suited to your level, from the Ornon to the Galibier.

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Bourg-d'Oisans, the cycling base camp in the Oisans

8 August 20268 August 2026 by Billy
Bourg-d'Oisans deep in its valley, cycling base camp at the foot of the Oisans mountain passes

Bourg-d’Oisans, the ideal base camp for a cycling holiday: around ten legendary mountain passes accessible as day trips, from Alpe d’Huez to the Galibier.

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Recent Posts

  • The 3D relief map: the finest souvenir of your mountain pass
  • The hardest cycling cols in Oisans (ranking)
  • What gear ratio for climbing mountain passes? The guide to the right development
  • How to train to climb a mountain pass on a bike
  • Cycling up the passes of the Oisans on an electric bike (e-bike)

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