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France
Auvergne Rhône Alpes
Annecy

Thônes

Top 20 Mountain Passes around Thônes

Mountain passes around Thônes offer diverse terrain and scenic routes in the Annecy Mountains of Haute-Savoie, France. This region is characterized by its alpine landscapes, providing opportunities for cycling, hiking, and sightseeing. The passes connect various valleys and villages, featuring elevations ranging from under 1000 meters to nearly 1500 meters. Many routes provide views of surrounding peaks and Lake Annecy.

Best mountain passes around Thônes

  • The most popular mountain passes is Col de la Forclaz, a mountain pass that offers a superb view of Lake Annecy and its surrounding peaks. This pass is known for its scenic beauty and a restaurant serving local specialties.
  • Another must-see spot is Col des Aravis, a mountain pass connecting the departments of Haute-Savoie and Savoie. It is popular with cyclists and provides views of Mont Blanc.
  • Visitors also love Col de la Croix Fry, a mountain pass located in the heart of the Aravis massif. This pass is situated on a plateau offering views of the surrounding mountains, including Mont Blanc.
  • Thônes is known for mountain passes suitable for cycling, hiking, and scenic drives. The region offers a variety of routes, from gentle slopes to challenging climbs, catering to different experience levels.
  • The mountain passes around Thônes are appreciated by the komoot community, with nearly 1000 upvotes and over 270 photos contributed.

Last updated: May 14, 2026

Col de la Forclaz

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Located at an altitude of 1150 meters, the Col de la Forclaz offers a superb plunging view of Lake Annecy and the peaks that surround it. An incredible spot!

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Col des Aravis

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This pass, perched at an altitude of 1,487 meters (4,878 feet), connects the departments of Haute-Savoie and Savoie as well as the two ski resorts of La Clusaz and La Giettaz. Very popular with cyclists, be careful on the descent towards Giettaz: there is a tunnel with a bend. Turn on your lights!

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Glières Pass

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Gravel to reach the terminal valley

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Col de la Forclaz ascent from Menthon-Saint-Bernard

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The climb is 7.5 km long. The first half is moderate, and you'd never think you were in the Alps. The second half has an average gradient of 10%, which is indicated by signs every kilometer. A beautiful and not-too-long climb with great views of Lake Annecy.

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Col de la Croix Fry

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In the heart of the Aravis massif, the Col de la Croix Fry is located at an altitude of 1,477 meters. It is situated on a pretty plateau that offers beautiful views of the surrounding mountains, including Mont Blanc.

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Tips from the Community

Cyril C.
August 5, 2025, Col de la Croix Fry

Beautiful Col des Aravis, less frequented than the Col de la Colombière and the Col des Aravis.

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In the heart of the Aravis massif, the Col de la Croix Fry is located at an altitude of 1,477 meters. It is situated on a pretty plateau that offers beautiful views of the surrounding mountains, including Mont Blanc.

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DENIS
July 11, 2024, Col de la Forclaz

far too many vehicles on this small road, we should ask that one morning per month (eg from May to September, one Sunday morning/month from 7 a.m. to 11 a.m. so as not to penalize the restaurants in the area and the residents) this road be reserved for cyclists

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The gravel section is easy to do with a racing bike

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The magnificent Col de la Forclaz has a Swiss feel. The view of Lake Annecy is absolutely superb and you will find a restaurant at the pass serving fondue and blueberry tart specialties. Its name is appropriate and corresponds well to the idea that one has of a pass. Forclaz in Savoyard dialect means passage in the mountains.

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Jurne
July 25, 2023, Col de la Forclaz

Cut in the last 3 kilometers! Road surface is top since the 2023 Tour.

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Make sure to ride up from end of Lake end as steeper and more challenging

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Le Col des Glières is a picturesque mountain pass located in the French Alps. Nestled at an elevation of 1,450 meters, it is renowned for its natural beauty and historical significance. The col gained prominence during World War II as a key location for the French Resistance, serving as a clandestine base and supply route. Today, visitors can explore the tranquil surroundings, hike through pristine alpine landscapes, and discover the memorial sites that pay homage to the brave individuals who fought for freedom in this mountainous sanctuary.

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Frequently Asked Questions

What makes the mountain passes around Thônes unique?

The mountain passes around Thônes, nestled in the Annecy Mountains of Haute-Savoie, France, offer a diverse range of experiences. They are known for their stunning alpine landscapes, varied terrain suitable for cycling and hiking, and unique panoramas, including views of Mont Blanc and Lake Annecy. Some passes also hold significant historical importance, such as the Col des Glières.

Which mountain passes offer the best views of Lake Annecy?

For breathtaking views of Lake Annecy, the Col de la Forclaz is highly recommended. Situated at 1,150 meters, it provides a superb plunging perspective of the lake and its surrounding peaks. The ascent from Menthon-Saint-Bernard to the Col de la Forclaz also offers great views of the lake.

Are there any mountain passes with historical significance in the Thônes region?

Yes, the Col des Glières (also known as Glières Pass) is particularly significant. It played a crucial role during World War II as a base for the French Resistance. Today, visitors can explore its tranquil alpine landscapes and discover memorial sites honoring those who fought for freedom.

What kind of outdoor activities can I do near the mountain passes around Thônes?

The Thônes region is ideal for various outdoor activities. You can find numerous routes for cycling, gravel biking, and running. For cycling enthusiasts, there are challenging climbs like the Col des Aravis, while easier options like the Col du Marais are great for warming up. Hiking trails are also abundant, offering diverse terrain and distances. You can explore more options on the Running Trails around Thônes, Gravel biking around Thônes, and Cycling around Thônes guide pages.

Are there any less crowded or 'secret' mountain passes to explore?

Yes, if you're looking for a more tranquil experience, the Col de la Croix Fry is considered less busy than other well-known passes, offering stunning views of the Aravis massif and Mont Blanc from its plateau. Another 'secret pass' is the Col de Plan Bois, which provides magnificent views of the reverse side of the Tournette and a serene, sporty climb.

Which mountain passes are suitable for beginner cyclists or those looking for an easier ride?

For beginner cyclists or those seeking a gentler ascent, the Col du Marais is an excellent choice. Located between Thônes and Serraval, it features a gentle average slope, making it perfect for warming up or learning to climb in the mountains. The Col de l'Épine is also popular with both beginner and experienced cyclists, offering a calm, wild, and mountainous atmosphere.

What amenities are available at or near the mountain passes?

Some passes offer amenities. For instance, the Col de la Forclaz has a restaurant serving local specialties like fondue and blueberry tart. The nearby ski resort village of La Clusaz, close to the Col des Aravis, also offers various amenities.

What kind of views can I expect from the mountain passes?

The mountain passes around Thônes offer a variety of spectacular views. From the Col des Aravis and Col de la Croix Fry, you can often see Mont Blanc. The Col de la Forclaz provides unparalleled panoramic views of Lake Annecy. Other passes like Col du Marais offer beautiful landscapes of the Tournette and the Dent de Cons, while Col de l'Épine provides views of Mount Charvin and the Aiguilles du Mont.

Are there any challenging mountain passes for experienced cyclists or hikers?

Yes, for experienced cyclists, the ascent to the Col des Aravis is a popular and rewarding challenge. The Col de la Forclaz ascent from Menthon-Saint-Bernard is also known for its challenging second half with an average gradient of 10%. The Glières Pass also features a steep climb, with some sections involving gravel, making it a demanding but rewarding experience for those seeking a challenge.

What is the best time of year to visit the mountain passes around Thônes?

The Thônes region is generally best visited from spring through autumn. During these seasons, the weather is more favorable for cycling, hiking, and scenic drives, and the passes are typically clear of snow. Summer offers lush landscapes and warmer temperatures, while spring and autumn provide beautiful foliage and fewer crowds. Some passes may be accessible in winter for specific activities like snowshoeing, but conditions can be challenging.

What do visitors enjoy most about the mountain passes in Thônes?

Visitors consistently praise the stunning views, especially the panoramic vistas of Lake Annecy from the Col de la Forclaz and the Mont Blanc views from the Col des Aravis and Col de la Croix Fry. The diverse terrain catering to all skill levels, from gentle slopes to challenging climbs, is also highly appreciated. The region's natural beauty and the opportunity for various outdoor activities like cycling and hiking are frequently highlighted by the komoot community.

Are there any specific safety considerations when cycling or driving through these passes?

When cycling or driving, especially on descents, always exercise caution. For example, on the descent from the Col des Aravis towards Giettaz, there is a tunnel with a bend where lights are highly recommended for safety. Always be aware of road conditions, especially during adverse weather, and ensure your vehicle or bike is in good condition.

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