Mountain passes around Aviernoz are situated in the mountainous Haute-Savoie department of France, a region known for its alpine terrain. While Aviernoz itself is a former commune, its location provides access to numerous passes in the French Alps. These passes offer diverse features, connecting valleys and providing routes through the natural landscape. The area is characterized by its mountainous terrain and alpine valleys.
Last updated: June 26, 2026
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Small pass full the main road D909
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A lovely little mountain pass near Lake Annecy
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Pass without much interest but the descent from it, rolling, is a treat on a trail!
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The gravel section is easy to do with a racing bike
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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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A magnificent pass, which rolls well… and a nice downhill on Thorens glière…
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The Col de la Frétallaz from Argonay is 4.2 km long with a total drop of 213 m. The average gradient is 6% with maximum gradients of 9.5%.
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Visitors frequently enjoy passes like Glières Pass, known for its steep climb and views of the plateau, and Col des Fleuries, which offers a pleasant downhill section towards Thorens Glière. Another favorite is Bluffy Pass, a road pass providing views of the teeth of Lanfon and serving as a variant for the classic Lake Annecy tour.
The mountain passes around Aviernoz offer a diverse range of terrain. You'll find road passes, but also mountain passes that can include gravel sections, particularly on climbs like Glières Pass. Some passes feature steep ascents, while others provide smoother, rolling descents.
For breathtaking views, consider passes like Col de la Forclaz, which provides plunging views of Lake Annecy and the Aravis mountains, and Col du Semnoz, offering spectacular scenery over Lake Annecy and Mont-Blanc. The Col des Aravis also boasts stunning views of Mont-Blanc, making it a highly rewarding visit for its natural beauty.
Yes, several passes in the region offer a significant challenge. Col de la Colombière is a mythical and demanding stage of the Tour de France, with roads climbing amidst mountain pastures. Col du Semnoz is another challenging ascent that rewards with spectacular scenery. For hikers, Glières Pass is noted for its steep climb.
Yes, for those seeking a less strenuous experience, Leschaux Pass is an easier and shorter option at 897 meters, making it accessible for a wider range of visitors. Frétallaz Pass is also one of the smaller passes in Haute-Savoie with a manageable height difference.
The region around Aviernoz is excellent for various outdoor activities. You can explore numerous hiking trails, enjoy road cycling routes that often incorporate these passes, or tackle challenging MTB trails. Many routes offer stunning views and diverse terrain.
From the mountain passes, you can witness stunning natural features characteristic of the French Alps. These include panoramic views of Lake Annecy, the majestic Mont-Blanc, the dramatic Aravis mountains, and the scenic landscapes of the Aiguilles Rouges National Park. Passes often connect alpine valleys, offering diverse ecosystems.
Yes, for example, at Col de Balme, which marks the border between Switzerland and France, you can find a refuge built in 1840, offering a historical point of interest at this high-altitude pass.
Visitors particularly appreciate the stunning views, especially those of Lake Annecy, Mont-Blanc, and the Aravis mountains. The variety of terrain, from challenging climbs to enjoyable descents, is also a highlight for cyclists. Many find the effort of steep climbs, like at Glières Pass, well worth it for the rewarding vistas.
Many of the higher mountain passes in the Haute-Savoie region, such as Col de la Colombière, are generally accessible from June 1st, after the winter snows have cleared. The summer and early autumn months typically offer the most favorable weather conditions for cycling, hiking, and enjoying the panoramic views.
Yes, the Col de la Colombière is a well-known and frequently challenging stage of the Tour de France. Its demanding ascent and scenic route through the Aravis massif make it a popular destination for cycling enthusiasts.
Absolutely. Passes like Leschaux Pass can be easily combined with other passes to create undulating circuits, particularly around Lake Annecy. This allows for varied and longer routes, catering to different preferences and fitness levels.


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