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The Top 20 Mountain Passes in Ain

Whether it be for the views, for the climbs or for the downhill descents, browse our list of the best mountain passes in Ain and make your next adventure one to remember. Contributed by the community, for the community, each mountain pass Highlight is a personal recommendation you know you can trust, so simply find your favorite and go.

Last updated: October 19, 2025

Col de la Faucille (1323 m)

Highlight • Mountain Pass

Perched at an altitude of 1,323 metres, the Col de la Faucille welcomes you with a 360-degree panorama of the Alps and the Valserine Valley.
Whether you attack it from …

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La Baudichonne Pass and Boundary Markers

Highlight • Mountain Pass

La Baudichonne is the name of the farm near the pass that can be reached via a cul-de-sac. If you are on a road bike and are not afraid to …

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Col de Belleroche

Highlight (Segment) • Mountain Pass

The Col de Belleroche is 1,056 meters above sea level. Approximately 12 kilometers long, you must climb 577 meters of elevation gain with a maximum gradient of 9% to reach …

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Col du Grand Colombier

Highlight • Mountain Pass

This pass, just over 1,500 meters high, is truly wonderful in every respect. The ascent takes you along small roads with very little traffic, but with many magnificent views—a perfect …

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Ascent of Col du Grand Colombier from Culoz

Highlight (Segment) • Climb

From Culoz, it's an 18-kilometer climb, alternating between slopes of almost 15% and a few flat sections for resting.
I prefer this side because it allows for the switchbacks that made this pass famous.

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Combe Blanche pass

Highlight • Mountain Pass

Remote pass that connects the Geneva basin with the Valserine valley. The pass can be reached via forest roads from Divonne or Vesancy. It is therefore a good alternative to …

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Col de Cuvéry

Highlight • Mountain Pass

The Col de Cuvery, from Bellegarde-sur-Valserine, is 14.4 kilometers long with an average gradient of between 5 and 6%.

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Col de Menthières

Highlight • Mountain Pass

Relatively flat ascent from Mijoux/Lelex on narrow, quiet, but well-paved roads with magnificent views of the Valserine valley. Steeper and curvy to/from Confort/Bellegarde.

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Col de Crozet

Highlight • Mountain Pass

The Col de Crozet connects Crozet and Lelex over the ridge of the Jura. From about 1000 meters above sea level from Crozet, the forest road turns into coarse gravel. …

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Col de la Rochette

Highlight • Mountain Pass

Nice climb that is uncrowded.

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See even more epic mountain passes by checking out these guides in Ain:

The Top 20 Mountain Passes in Ain

Col de la Faucille (1323 m)

La Baudichonne Pass and Boundary Markers

Col de Belleroche

Col du Grand Colombier

Ascent of Col du Grand Colombier from Culoz

Combe Blanche pass

Col de Cuvéry

Col de Menthières

Col de Crozet

Col de la Rochette

Other adventures in Ain

Most popular routes in Ain

Most popular attractions in Ain

Get inspired with the komoot mobile app

Explore more

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