Best mountain passes around Saint-Sixt offer routes through the French Alps, connecting valleys and providing access to elevated terrain. The region features diverse mountain landscapes, characterized by passes that serve as natural crossings. These routes often present varied terrain, from gravel paths to ridge trails. The area is defined by its alpine environment, with passes leading to viewpoints and other natural features.
Last updated: May 13, 2026
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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 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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The gravel section is easy to do with a racing bike
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Between the Enclave and the Montagne de Sous Dine you will find the Col de l'Enclave, a wild and isolated pass with excellent alpine trails crossing it. The pass is an ideal place to look out for local wildlife, particularly chamois and marmots.
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The Col de la Forclaz allows you to go to the refuge and the Lac de Lessy but also to the chalet de Mayse as well as the Rocher de Salin leading to the Paradis car park.
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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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Nice pass to discover but the view is not incredible. I recommend continuing the hike to the big castle (the mountain right next to it). It's a bit uphill but from the top the view is much better
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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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The mountain passes around Saint-Sixt offer a range of difficulties. For instance, Glières Pass involves a steep climb, especially with gravel sections, rewarding the effort with panoramic views. Other passes like Col de Réray are considered intermediate, offering a pleasant discovery without overly strenuous sections.
Many passes provide stunning vistas. From Col de la Forclaz, situated at 1,844 meters, you can enjoy incredible views of Lake Lessy and the surrounding peaks, as well as the Aravis mountain range. Col de Réray, while not offering extensive views directly from the pass, can lead to much better panoramas if you continue hiking to nearby peaks like the 'big castle' or Le Môle.
The best time to visit is generally from late spring to early autumn (May to October) when the weather is milder and the trails are clear of snow. This period allows for optimal hiking and cycling conditions, with lush landscapes and accessible routes. Winter can offer opportunities for snowshoeing or ski touring, but conditions will be more challenging and require appropriate gear and experience.
The region around Saint-Sixt is excellent for various outdoor activities. You can find numerous mountain hikes, such as the 'Montagne de Sous-Dîne loop' or 'Le Môle – Petit Môle loop', which often incorporate or pass near these mountain passes. For more details on hiking, visit the Mountain Hikes around Saint-Sixt guide. There are also many running trails and gravel biking routes available.
Yes, Saint-Sixt offers excellent opportunities for gravel biking. Routes like the 'Glières Pass – Col des Fleuries loop' from La Roche-sur-Foron cover significant distances and incorporate some of the region's passes. You can explore more options in the Gravel biking around Saint-Sixt guide.
Visitors appreciate the diverse terrain, from challenging climbs to pleasant ascents, and the rewarding views. Many highlight the sense of accomplishment after a steep climb, like at Glières Pass, which offers a magnificent view of the plateau. The connection between valleys and access to isolated natural areas are also highly valued.
Yes, for those seeking a more wild and isolated experience, the Enclave Pass is an excellent choice. Located between the Enclave and the Montagne de Sous Dine, it features excellent alpine trails and is an ideal spot for observing local wildlife such as chamois and marmots.
Absolutely. Col de la Forclaz provides direct access to the refuge and the stunning Lac de Lessy, making it a great starting point for further exploration or a scenic stop. It also leads to the chalet de Mayse.
The alpine environment around Saint-Sixt is home to various wildlife. When visiting more isolated passes like Enclave Pass, you have a good chance of spotting chamois and marmots, especially in quieter periods.
Yes, many hiking routes in the region are designed as circular walks, allowing you to experience diverse landscapes without retracing your steps. For example, the 'Montagne de Sous-Dîne loop' and 'Plan du Loup – View of Tête Ronde loop' are popular choices that can be accessed from areas near the passes. Check the Mountain Hikes around Saint-Sixt guide for more detailed circular routes.
Winter conditions on Saint-Sixt mountain passes can be challenging, with snow and ice present, especially at higher altitudes. While some routes may be accessible for experienced winter hikers with appropriate gear like snowshoes or crampons, many trails become impassable or require specialized skills. Always check local conditions and forecasts before attempting winter activities.
Parking availability varies by pass and trailhead. Generally, you'll find designated parking areas at the start of popular routes or near villages that serve as access points to the passes. It's advisable to research specific passes or trailheads in advance to confirm parking options and any potential fees.


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