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France
Auvergne Rhône Alpes
Bonneville

Onnion

Top 12 Mountain Passes around Onnion

Best mountain passes around Onnion are situated in the Haute-Savoie region of France, an area characterized by its mountainous terrain. The region features numerous passes and high-altitude viewpoints that provide routes through the landscape. These passes often connect different valleys, such as the Vallée Verte and the Arve valley, offering diverse geographical features. The surrounding mountains, including the Chablais massif, contribute to the varied natural landscape.

Best mountain passes around Onnion

  • The most popular mountain passes is Col de Cou

Last updated: May 14, 2026

Jambaz Pass

Highlight • Mountain Pass

Nice little quiet alpine pass.
Beautiful landscape.
More information: quaeldich.de/paesse/col-de-jambaz

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Col de Cou

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The Col de Cou, at an altitude of 1,117 metres, takes you from the Vallée Verte to the Côte-en-Chablais region. Several roads lead there, which allows you to train by …

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Col de Saxel

Highlight (Segment) • Mountain Pass

Entry to the Vallée Verte. The climb is relatively gentle and the pavement has recently (2020) been renewed

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Col de Réray

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The Col de Réray is the crossing point located at an altitude of 930m which makes the link between the Arve valley and the Risse and Giffre valleys.

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La Ramaz Pass

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As you climb the challenging Col de la Ramaz, you’ll be rewarded with breathtaking panoramic views of the surrounding mountains and valleys. This iconic climb, with its steep slopes and …

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Hiking around Onnion

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Tips from the Community

CYCLITS CYCLING COLLECTIVE
October 18, 2025, Col de Jambaz

Nice Spot! Absolutely cyclitsapproved 🫵🫰

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74Eric
June 29, 2025, Col de la Ramaz

A beautiful pass, with beautiful landscapes. It's a must to do in the summer when the road is closed to cars, so you can really enjoy this climb 😉

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A difficult pass, but a magnificent view as a reward

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Paul_C
November 15, 2024, Col de la Ramaz

As you climb the challenging Col de la Ramaz, you’ll be rewarded with breathtaking panoramic views of the surrounding mountains and valleys. This iconic climb, with its steep slopes and winding roads, is a must for any serious cyclist. As you push yourself to the limit, you’ll discover breathtaking views of snow-capped peaks, lush forests and picturesque villages.

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Nicolas Vergnaud
September 18, 2024, Col de Cou

The Col de Cou, at an altitude of 1,117 metres, takes you from the Vallée Verte to the Côte-en-Chablais region. Several roads lead there, which allows you to train by varying the routes and difficulties. The hardest climb is the one on the western slope from Fessy, with seven kilometres at an average of 7.5%.

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Gérard
July 24, 2024, Col de Réray

The tour certainly includes portions of pushing, particularly when it comes to reaching the Ecutieux chalets, but the landscapes are magnificent (view of Lake Geneva, wild mountain pastures) Once you arrive at the summit it is almost 8km descent, technical and varied to go back down to Bonneville

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Nice climb just too steep, about 5%, and not too busy.

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Inthy
April 19, 2024, Col de Réray

Nice pass on a “ridge” path (even if you don’t really realize it). Bel AR to the Môle (and the head of the ecutieux) for the brave

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Frequently Asked Questions

What are some of the most scenic mountain passes and viewpoints near Onnion?

The region around Onnion offers several spots with exceptional views. The Ratti Pass provides panoramic views encompassing Lake Geneva and the Mont Blanc massif. For a 360° panorama of the Alps, Jura mountains, Lake Geneva, and the Chablais massif, consider Le Signal des Voirons Summit. Another excellent choice is Pointe de Miribel, known for its spectacular views of Lake Geneva and the Mont Blanc range.

Are there any family-friendly mountain passes or viewpoints around Onnion?

Yes, Le Signal des Voirons Summit is particularly noted for its accessibility, even for families with young children. It features trails winding through the scenic Voirons forest, and you can find a monastery and chapel along the hiking path, offering a peaceful stopping point.

What kind of historical or cultural features can be found on these mountain passes?

At Pointe de Miribel, you'll find a statue of the Virgin Mary at its summit. The southern slope also features a historical Way of the Cross dating back to 1804, with 17 columns topped by iron crucifixes, making it a site for pilgrimages. Additionally, Le Signal des Voirons Summit includes a monastery and chapel along its hiking path.

What are some challenging mountain passes for experienced cyclists or hikers near Onnion?

For cyclists, La Ramaz Pass is known as a challenging climb with steep slopes and winding roads, rewarding efforts with breathtaking panoramic views. For hikers, the Ratti Pass presents a challenging ascent from the north side, requiring sure-footedness and appropriate footwear due to steep sections.

Are there any quiet or less-trafficked mountain passes in the area?

The Jambaz Pass is described as a nice, quiet alpine pass with beautiful landscapes. Its road rarely rises above 5% on either side, making it a pleasant, less strenuous option compared to some other passes.

What outdoor activities can I do near the mountain passes around Onnion?

The region offers a variety of outdoor activities. You can find numerous mountain hikes, such as the Pointe de Chalune or Pointe de Marcelly loops. For cycling enthusiasts, there are road cycling routes like the Col de Saxel – Jambaz Pass loop or the La Ramaz Pass – Sommand loop. Explore more options in the Mountain Hikes around Onnion, Road Cycling Routes around Onnion, and Cycling around Onnion guides.

What is the best time to visit the mountain passes around Onnion?

The summer months are generally ideal for exploring the mountain passes, especially for cycling, as roads like La Ramaz Pass may be closed to cars, allowing for a more enjoyable experience. Some passes, like Col du Creux, are also accessible via moderate winter hikes, offering stunning views of the Mont Blanc massif in snowy conditions.

Which mountain passes offer good views of the Mont Blanc massif?

Both the Ratti Pass and Col du Creux offer exceptional views of the majestic Mont Blanc massif. Le Signal des Voirons Summit and Pointe de Miribel also provide views of Mont Blanc on clear days, alongside other prominent mountain ranges.

Are there any mountain passes that connect different valleys near Onnion?

Yes, Col de Cou serves as a crossing point between the Vallée Verte to the west and the Côte-en-Chablais region to the east. Similarly, Col de Réray connects the Arve valley with the Risse and Giffre valleys.

What are the characteristics of the Col de Saxel?

The Col de Saxel is considered an entry point to the Vallée Verte. It offers a relatively gentle climb, with an average gradient of 4-4.5% depending on the approach. The asphalt has been recently renewed, making it a pleasant and quiet route for cyclists, often described as not too hard.

What do visitors enjoy most about the mountain passes around Onnion?

Visitors frequently highlight the breathtaking panoramic views of the surrounding mountains, valleys, and distant lakes like Lake Geneva. The diverse routes catering to various skill levels, from gentle ascents to challenging climbs, are also highly appreciated. The quiet alpine settings and opportunities for both cycling and hiking contribute to a rewarding experience.

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