Best mountain passes around Attignat-Oncin are found within the Chartreuse Regional Natural Park, offering diverse terrain for outdoor activities. This region provides access to historical routes and panoramic views, catering to both hikers and cyclists. Attignat-Oncin serves as a base for exploring various mountain passes and peaks. The area features a mix of challenging climbs and more accessible routes.
Last updated: July 10, 2026
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Proper climb from Chambery, beautiful views of the Chartreuse.
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A very quiet and pleasant road. On the Chambéry side, a good part is in the shade, the slope of the main road is rather constant around 7-8%. On the Novalaise side, the mineral aspect with the cliff is more present in the middle of the climb. This side is quite steep with kilometers at 8-9%. On each side, 1 belvedere offers a breathtaking view of Lake Aiguebelette (approx. 2 km from the summit) and on the other side of Chambéry, the Bauges, Belledonne, the Chartreuse (500 m from the summit). The summit is in the forest.
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Warning: The climb from the east side is extremely steep! An average gradient of around 10% over 9-10 km.
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Leaving from Chambery, the beginning hurts a little, but the rest is quite good
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Very good and quite accessible as a pass. Be careful of overtaking cars.
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From Saint Pierre you pass through Entrement le veux and arrive at the top of Col de Granier, if you take the first right towards Col de Marcieu until Saint Hillaire de Touvet and descend into the valley to Grenoble, very calm, rolling and bucolic
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There is a mistake about the valleys!
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Among the most popular mountain passes in the area, visitors frequently enjoy Granier Pass, which offers a superb panorama and allows continuation into the Chartreuse massif or descent into the vineyards of Apremont. Another favorite is Épine Pass, known for its breathtaking views of Chambéry, Lake Bourget, the Bauges massif, and Lake Aiguebelette from its summit.
Yes, the region is rich in historical routes. For instance, Crucifix Pass and Col Saint-Michel are part of scenic routes that incorporate ancient Roman and Sardinian roads, offering a historical dimension to your journey. Mont Beauvoir also features historical paths like the Route Sarde and the Sentier du Beauvoir.
The mountain passes around Attignat-Oncin offer diverse and stunning views. From Épine Pass, you can see Lake Bourget, Lake Aiguebelette, and the Bauges massif. Mont Grelle provides a breathtaking view of Lake Aiguebelette from a prominent rock slab. La Cochette offers a beautiful panorama of the Chartreuse massif, with Mont-Blanc visible on clear days.
Yes, there are options suitable for families. Col Saint-Michel and Crucifix Pass are generally considered easy to moderate, making them accessible. La Cochette, while having some steep sections, is also considered an excellent hike for families, particularly when starting from Côte Barrier or Saint-Jean-de-Couz.
The hiking period for many passes and peaks, such as Mont Grelle, is generally from May 1st to November 30th, subject to favorable weather conditions. It's important to note that some passes, like Épine Pass, are closed during winter due to snow and ice.
The region offers a variety of outdoor activities. You can explore numerous hiking trails, including those around Mont Grelle and Mont Beauvoir. For cyclists, passes like Épine Pass are popular for road cycling. You can find more detailed routes for different sports on the Mountain Hikes, Road Cycling Routes, and MTB Trails guides around Attignat-Oncin.
Yes, for those seeking easier routes, Col du Banchet is described as a small, shaded pass without significant difficulty. Col Saint-Michel and Crucifix Pass are also generally considered easy to moderate, especially when starting from Aiguebelette.
Col des Mille Martyrs is appreciated for its fresh and easy climb from Saint-Nicolas de Macherin, featuring a beautiful forest and bucolic viewpoints during the ascent. It offers a pleasant experience for both cyclists and hikers.
Yes, the area around Mont Grelle is known for its traditional 18th-century farmhouses, offering a glimpse into typical Savoyard hamlets. These can serve as a base for exploring the Chartreuse Regional Natural Park and its surrounding passes.
Visitors frequently highlight the stunning panoramic views, the diverse terrain suitable for various fitness levels, and the historical routes that add a unique dimension to their outdoor adventures. The combination of challenging climbs and accessible paths, along with the natural beauty of the Chartreuse massif and its lakes, is highly praised by the komoot community.
For more details on Mont Grelle, including specific routes and information about the area, you can visit the Chartreuse Tourisme website: Mont Grelle on Chartreuse Tourisme.


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