Best mountain passes around Les Clefs are situated in the Haute-Savoie department of France, an area characterized by its alpine landscape. The region features numerous mountain passes that connect valleys and offer varied terrain. These passes are integral to the local geography, providing routes through forests and mountain pastures. The area is defined by its mountainous environment, with passes serving as key features for exploration.
Last updated: August 20, 2026
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Beautiful small pass, small roads with little traffic, great views. Nice restaurant on the pass.
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Located at an altitude of 1,150 meters, the Col de la Forclaz offers a superb view overlooking Lake Annecy and the surrounding peaks. An incredible spot!
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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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Very beautiful pass, regular and wild, very beautiful view
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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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This mid-mountain pass (1,467 meters) has the particularity of opening onto the magnificent Beauregard plateau. Halfway between Manigod and La Clusaz and in the heart of the Aravis massif, it offers superb views of the Aravis and Tournette.
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A classic spot for any cyclist to stop and take a moment to admire the view across Lake Annecy's deep blue waters, its surrounding peaks and lake-side population. You'll be mesmerised by the paragliders as they glide past the col from their launch point further up the mountain side.
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For breathtaking panoramas, the Col de la Forclaz provides a superb plunging view of Lake Annecy. The Col de la Croix Fry also offers stunning vistas of the surrounding mountains, including the majestic Mont Blanc. From the Col de Plan Bois, you can access the Montagne de Sulens, which boasts magnificent panoramic views.
Absolutely. The Col des Aravis is extremely popular with cyclists, connecting the departments of Haute-Savoie and Savoie. The Col de la Forclaz offers a challenging climb, particularly its second half with an average gradient of 10%. For a more tranquil and less crowded experience, the Col de l'Arpettaz is also a great option, winding through forests and mountain pastures. For those looking for an easier ride or warm-up, the Col du Marais is considered a relatively easy and rolling pass.
The region around Les Clefs offers diverse outdoor activities. You can find numerous road cycling routes, such as the challenging 'Leschaux Pass – Col du Marais' loop or the 'Col de la Croix Fry' ascent. For runners, trails like 'Mount Sulens loop from Col de Plan Bois' are available. Hikers can explore routes like 'Mount Sulens via Postman's Path Loop' or the 'Plan Bois Pass – Sulens Mountain loop'. You can find more details on these activities in the dedicated guides for Road Cycling Routes around Les Clefs, Running Trails around Les Clefs, and Hiking around Les Clefs.
While specific passes aren't categorized as 'family-friendly' in the data, the Col du Marais is noted as a relatively easy and rolling pass, making it suitable for those learning to climb or seeking a gentle experience. The area around Col de Plan Bois / Col de Sulens is excellent for hiking, and in winter, its gentle slopes are popular for snowshoeing, which can be a family-friendly activity. The 'cheese route' near Col de Plan Bois also offers a cultural experience for families to learn about Reblochon cheese production.
The mountain passes around Les Clefs are characterized by stunning alpine landscapes. You'll encounter dense forests, expansive mountain pastures, and dramatic mountain peaks. The Col de la Forclaz offers views of Lake Annecy, while the Col de la Croix Fry provides views of Mont Blanc. The Col du Marais passes through chalets and pastures with views of the Tournette and Dent de Cons.
The best time to visit largely depends on your preferred activities. During warmer months (late spring to early autumn), the passes are ideal for cycling, hiking, and enjoying the panoramic views without snow. In winter, passes like Col de Plan Bois / Col de Sulens become popular for snowshoeing and ski touring due to their gentle slopes. Always check local weather conditions before your visit, especially for higher altitude passes.
Yes, you can find amenities near some of the passes. The Col de la Forclaz has a restaurant at its summit serving local specialties like fondue and blueberry tart. Near Col de Plan Bois, the Auberge de Plan Bois is a well-known inn where visitors can enjoy local specialties and immerse themselves in the production of Reblochon cheese.
For those seeking a challenge, the Col de la Forclaz, particularly its ascent from Menthon-Saint-Bernard, features an average gradient of 10% in its second half. The Col de l'Arpettaz is also described as a challenging pass with a long, winding road and varying surface conditions, offering a wilder experience.
When descending, especially on popular cycling routes, caution is advised. For instance, on the Col des Aravis, be particularly careful on the descent towards Giettaz due to a tunnel with a bend; it's recommended to turn on your lights. Always be mindful of road conditions, which can vary, and other road users.
The name 'Forclaz' itself, as in Col de la Forclaz, is a Savoyard dialect term meaning 'passage in the mountains,' highlighting its historical role as a route. The region also has a strong agricultural heritage, with mountain pastures and chalets visible along passes like the Col du Marais. The 'cheese route' near Col de Plan Bois offers insight into local traditions, particularly the production of Reblochon cheese.
Visitors frequently praise the stunning views, especially the plunging vistas of Lake Annecy from Col de la Forclaz and the Mont Blanc views from Col de la Croix Fry. The tranquility and scenic beauty of less crowded passes like Col de l'Arpettaz are also highly appreciated. Cyclists particularly enjoy the challenging climbs and iconic routes like the Col des Aravis.


See even more epic mountain passes by checking out these guides around Les Clefs: