Mountain passes around Serrières-En-Chautagne provide access to varied terrain for outdoor activities. The region features landscapes shaped by its proximity to Lac du Bourget and the Rhône River. Routes offer views of the Alps and Mont Blanc. The area is suitable for both cycling and hiking.
Last updated: July 10, 2026
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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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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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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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Super pass, regular, with a view of the Bauges on the Cessens side.
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Every second Saturday in June, July, August and September. from 7 a.m. to 3 p.m., the climb to the Grand Colombier from Culoz is reserved for cyclists, without registration.
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nice walk through the forest of Moye
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For breathtaking views, consider the Chambotte Pass. It offers magnificent panoramas of Lac du Bourget, the Grand Colombier, and the Aravis range. Another excellent choice is the Col du Sapenay, which provides significant views over Lac du Bourget and even the Grand Colombier itself.
The Col du Grand Colombier is legendary for its challenging ascents, having been featured multiple times in the Tour de France. It features steep slopes, with some sections reaching up to 14% gradient, and can be tackled from four different sides, each presenting a significant test.
Yes, the Col du Clergeon is known for being less frequented than its neighbors. It offers a beautiful, quiet forest climb, especially from Moye, and serves as an ideal starting point for short, peaceful walks.
The region around Serrières-En-Chautagne offers a variety of outdoor activities. You can find numerous road cycling routes, including challenging climbs like the Ascent of Col du Grand Colombier from Culoz. There are also MTB trails and running trails available. For more details, explore the Road Cycling Routes, MTB Trails, and Running Trails guides for the area.
Absolutely. Beyond cycling, the Grand Colombier is considered a 'hiking heaven' with numerous trails for various skill levels. The Col du Sapenay also serves as a starting point for hiking routes to Mont Clergeon, where you can enjoy 360° views encompassing the Rhône valley, Bauges, Aravis, and Mont Blanc mountains.
The Col du Sapenay, at 897 meters, is not only a scenic cycling route with views of Lac du Bourget but also a well-known spot for hang-gliding. It's also a gateway to hiking routes up Mont Clergeon, offering further panoramic vistas.
Visitors frequently praise the magnificent views, especially of Lac du Bourget and the Alpine arc, available from many passes. The challenging yet rewarding climbs, particularly on the Col du Grand Colombier, are also a highlight for cyclists. The quiet, forested routes and the opportunity for peaceful walks are also highly appreciated.
The Col du Grand Colombier has a rich history with the Tour de France, having been a memorable stage on multiple occasions, including 2012, 2016, 2017, 2020, and 2023. This solidifies its status as a significant and challenging climb in the cycling world.
Yes, dedicated cyclists who manage to ascend all four sides of the Col du Grand Colombier in a single day can join the 'Confrérie des Fêlés du Grand Colombier' (Brotherhood of the Crackpots of Grand Colombier), a testament to the pass's demanding nature.
The region is characterized by diverse landscapes, including protected natural sites like the Grand Colombier, recognized for its rich flora and as a Natura 2000 site. You'll encounter forests, views of major lakes such as Lac du Bourget, Lac d'Annecy, and Lake Geneva, and the majestic Alps, including Mont Blanc.
While specific seasonal conditions vary, many visitors recommend visiting outside the peak summer season to avoid heavy traffic, especially on popular routes like the Chambotte Pass. Spring and autumn generally offer pleasant weather for cycling and hiking, with vibrant foliage or blooming wildflowers.
Yes, the Col du Clergeon is particularly noted for its beautiful forest climb from Moye, offering a tranquil experience with very little car traffic. The Col du Sapenay also features largely shaded sections through forests.


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