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Auvergne Rhône Alpes
Chambéry

Ontex

Top 8 Mountain Passes around Ontex

Best mountain passes around Ontex are situated within the Savoie department of France, a region characterized by its mountainous landscape. This area provides access to numerous passes in the French Alps, attracting cyclists and hikers. The passes offer varied terrain, from challenging climbs to scenic routes with panoramic views. Ontex is positioned to explore these routes and experience the region's natural features.

Best mountain passes around Ontex

  • The most popular mountain passes is Col du Chat (638 m), a…

Last updated: June 26, 2026

Col du Chat (638 m)

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The ascent of Col du Chat on the east side offers a fantastic view of the lake below. Enjoy the view during the ascent because once at the top, the …

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Chambotte Pass

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Very nice climb with a magnificent view all along on the Lac du Bourget. Past the pass, take the road to the right to climb to the Belvedere (be careful, …

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Col du Clergeon

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Mountain pass between Chautagne and Rumilly. Climbing it from the west is quite tough. Very little car traffic (less than for its neighbours of Sapenay and Chambotte)

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Ascent of Col du Grand Colombier from Culoz

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From Culoz, it's an 18-kilometer climb, alternating between slopes of almost 15% and a few flat sections for resting.
I prefer this side because it allows for the switchbacks that made this pass famous.

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Col du Sapenay

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Beautiful collar and very beautiful laces

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Barthélemy LANZINI
October 22, 2025, Col du Sapenay

Great pass with very little traffic which allows you to enjoy a panorama in complete tranquility. The viewpoint at the summit offers a beautiful view of the Chautagne and Lake Bourget from the paragliding departure slope (accessible from a path from the parking lot up there) 🪂 Pass accessible 2km from Chindrieux station or 11km from Culoz station 🚃

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It's a must-see place with a magnificent view of Lake Bourget.

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There is a new section of the Via Rhona between Motz and Serriere en Chautagne. It is well signposted towards Motz and then winds through fields and parallel to the main road without much guidance.

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magnificent view of Lake Bourget

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Located on the heights of Mont Clergeon to the north of Lac du Bourget, the Col du Clergeon – 979 m – has the particularity of belonging to a non-Alpine massif, in this case that of Jura but also to the department of Savoie which is naturally affiliated with the Alps. WEST SIDE This slope starting at Ruffieux, located just opposite the Grand Colombier, has an air copied from that of its illustrious neighbor: certainly shorter with 8.8 km but at 8.5% on average! Around fifteen bends will help you climb the 728 m of positive altitude difference. Still count on a big passage of 1840 m at 10.5% to reach the Col du Clergeon at 979 m above sea level which marks the border with Haute-Savoie. EASTERN SIDE This slope starts at Rumilly in… Haute-Savoie. It offers a positive altitude difference equivalent to the western slope with 772 m but being longer with 15 km, the difficulty is a little less with an average slope of 6.5%. However, the ascent is tricky because it has 2 descents that will have to be climbed back up and a long passage of 3.4 km on a slope of between 8.5 and 9.5%. Small sweetness: the finale won't be too difficult. Sources: Alpes4ever

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Magnificent pass, view of Lake Bourget all along.

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Clément
April 27, 2024, Col du Sapenay

Super pass, regular, with a view of the Bauges on the Cessens side.

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nice walk through the forest of Moye

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Frequently Asked Questions

What are some popular mountain passes to explore near Ontex?

Near Ontex, you can explore several popular mountain passes. The Col du Chat (638 m) offers fantastic lake views during the ascent. Another notable pass is Chambotte Pass, known for its magnificent views of Lac du Bourget and a belvedere offering a 360° panorama. For a quieter, forested climb, consider Col du Clergeon.

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

The mountain passes around Ontex offer diverse and stunning views. From the Col du Chat (638 m), you'll get a fantastic view of the lake below during your ascent. The Chambotte Pass provides magnificent views of Lac du Bourget, with a belvedere offering a superb 360° panorama encompassing the lake, the Grand Colombier, and the Aravis range. Even lesser-frequented passes like Col du Sapenay offer beautiful views of Lake Bourget and the Bauges mountains.

Are there any historically significant mountain passes in the broader Savoie region?

Yes, the broader Savoie region is home to several historically significant mountain passes, particularly for cycling enthusiasts. The Col du Galibier, reaching 2,642 meters, is legendary in the Tour de France, first crossed in 1911. Its challenging ascent and panoramic Alpine views make it a 'holy grail' for cyclists. While not directly in Ontex, its proximity within the Savoie department makes it an iconic regional landmark.

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

The best time to visit the mountain passes around Ontex is generally during the warmer months, from late spring to early autumn (May to October). During this period, the roads are typically clear of snow, and the weather is more favorable for cycling, hiking, and enjoying the scenic views. Some passes, like Col des Saisies, also offer winter activities as they are home to ski resorts.

Are there options for less experienced cyclists or hikers near Ontex?

Yes, there are options suitable for varying experience levels. While some passes like the Ascent of Col du Grand Colombier from Culoz are known for their challenging climbs with sections up to 15% gradient, others offer a more moderate experience. The Col des Saisies, for example, provides a more accessible climb than some of the higher Alpine passes, making it suitable for a wider range of cyclists. For hiking, many trails around the passes can be adapted to different fitness levels.

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

The area around Ontex and its mountain passes is excellent for various outdoor activities. You can enjoy road cycling on routes like the "View of Lac du Bourget – Col du Chat loop from Ontex" or explore MTB trails such as the "Jongieux Vineyards Crossing – Col du Chat (638 m) loop from Jongieux." Gravel biking is also popular, with routes like the "Jongieux Vineyards Crossing – Jongieux vineyard loop from Saint-Jean-de-Chevelu." For more details on these activities, you can check out the Road Cycling Routes around Ontex, MTB Trails around Ontex, and Gravel biking around Ontex guides.

Are there family-friendly mountain passes or trails near Ontex?

While specific passes might have challenging sections, the general region around Ontex offers scenic routes that can be enjoyed by families. Passes with lower altitudes and well-maintained roads, or those with accessible viewpoints, are often suitable. For example, the Chambotte Pass, with its belvedere offering panoramic views, can be a great spot for a family outing, though caution is advised with traffic. Look for trails marked as 'intermediate' or 'easy' in nearby activity guides for family-friendly options.

Can I find cafes or restaurants near the mountain passes around Ontex?

Yes, you can often find cafes, restaurants, or small villages with amenities near the mountain passes in the Savoie region. For instance, the Chambotte Pass has a water point at the level of the pass, and the surrounding areas of Lac du Bourget offer various dining options. Passes like Col des Saisies are near popular ski resorts, which means a good selection of eateries. It's always a good idea to check local village offerings before heading out.

How challenging are the mountain passes around Ontex for cycling?

The mountain passes around Ontex offer a range of challenges for cyclists. Passes like the Col du Chat (638 m) and Chambotte Pass are considered intermediate climbs. However, the Ascent of Col du Grand Colombier from Culoz is known for its significant difficulty, featuring sections with gradients of almost 15%. The Col du Clergeon offers a tough climb from the west side but with less car traffic.

Are there any less-frequented or 'hidden gem' mountain passes near Ontex?

For those seeking a quieter experience, the Col du Clergeon is often described as less frequented than its neighbors, offering a beautiful, forested climb with very little car traffic. Similarly, Col du Sapenay is a little-frequented pass, largely shaded, providing beautiful views of Lake Bourget and the Bauges mountains, making it a peaceful alternative.

What are the typical weather conditions on mountain passes in the Savoie region?

Weather conditions on mountain passes in the Savoie region can vary significantly with altitude and season. In summer, days are generally warm and sunny, but sudden thunderstorms are possible. At higher altitudes, temperatures can be considerably cooler, even in summer. In winter, passes are often snow-covered and may be closed, especially the higher ones like Col du Galibier. Always check the local forecast before heading out, as conditions can change rapidly in mountainous terrain.

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