Mountain passes around Vaulnaveys-Le-Bas, located in the Isère region of France, offer diverse terrain for outdoor activities. The area features a variety of passes, providing opportunities for both challenging climbs and scenic drives. These routes often present expansive views of the surrounding mountain ranges.
Last updated: June 26, 2026
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nice climb up to the intersection...then the road going to the fort is cleaner depending on the day (twigs, bread needles...)
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victory of Lance Armstrong in a time trial it seems to me
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Very pleasant pass, because almost no cars, lots of shade and fantastic landscapes 9 km long and 680 m vertical drop
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Superb hike! Watch out for the fox, several tents have been visited by a fox looking for food (he takes trash bags and trash...) he has also broken tents, not far from the refuge next to Robert Lakes
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An easy pass, away from traffic, in the very heart of the Alpe du Grand Serre Station. From Séchilienne, approx. 15km for D+ 1000m. To do in summer to enjoy the freshness of this shady slope.
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The Col de la Morte opens a window onto the Alpine landscapes. A Mecca for cyclists, hikers and trail runners, it is the scene of memorable climbs and outdoor adventures!
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Village and pass at the same time. Rather a compulsory passage to access other courses
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The Col de la Morte from Sechilienne is 15.3 km long with a total drop of 1003 m. The average gradient is 6.56% with maximum gradients of 9.3%. A very nice climb to do during the summer months because the climb is mostly in the shade. When you get to the top you can go down the other side to La Mure.
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Visitors frequently enjoy Lessines Pass, known for its challenging terrain and access to the Robert lakes area, offering potential wildlife sightings. Another favorite is Four Lords Pass, which provides a challenging climb and routes to other areas like Herbeys and the Belledonne balconies. Croix de Pinet is also popular as a viewpoint and a passage to other regional routes.
Yes, the region offers several challenging passes. The Four Lords Pass, for instance, features an 8.5 km climb from Gières with an average gradient of 7.3% and sections reaching 10%. The Col d'Ornon also presents a challenging ascent from La Paute, spanning 11.2 km with an average gradient of 5.8% and maximums of 9%. For a truly mythical passage, the Col de Sarenne, accessible from Bourg d'Oisans, demands good physical condition and offers breathtaking high-alpine scenery.
The Arc Pass, situated on a ridge at 1,736 meters, provides magnificent panoramic views of the Belledonne mountain range, Les Rousses, and the distant Écrins massif. Additionally, the Pas de la Confession, at 1542 meters, is renowned for offering "one of the most beautiful viewpoints in the area" with spectacular views over the valley. Comboire Pass also offers views of Fort de Comboire.
Yes, the Comboire Pass is described as a modest pass without difficulty, serving as a gateway to Monteynard, Trièves, and Matheysine from the Grenoble area. The Col d'Ornon also has a gentler alternative route from Pont du Prêtre, which is 21.9 km long with an average gradient of 3.2%.
The mountain passes around Vaulnaveys-Le-Bas are excellent for various outdoor activities. You can find numerous hiking trails, ranging from easy to moderate, such as the Lake Luitel loop. For more strenuous adventures, explore mountain hikes like the difficult Lake Bernard loop. Cyclists can enjoy challenging road cycling routes, including ascents to Alpe d'Huez or Chamrousse.
The Lessines Pass provides access to the Robert lakes area, which is known for potential wildlife sightings, including mountain goats. The Col de Sarenne is celebrated for its breathtaking high-alpine scenery, offering a truly immersive natural experience.
While specific seasonal recommendations vary by pass, generally, late spring through early autumn (May to October) offers the most favorable conditions for exploring the mountain passes, especially for cycling and hiking. During these months, roads are typically clear of snow, and the weather is more stable. Some passes, like the Four Lords Pass, can have rough road conditions in winter.
The Col d'Ornon, with its varied approaches, makes for a rewarding scenic drive through the mountains. The Col de la Morte also offers an enjoyable ride, with a largely shaded climb and a smoother descent characterized by nice curves and a few hairpins. The Col de Vence, near Grenoble, provides stunning panoramas of the entire Grenoble area and surrounding massifs, making it a worthwhile detour for a scenic drive.
Visitors appreciate the diverse terrain, from challenging climbs to scenic drives, and the expansive views of the surrounding mountain ranges. The opportunity for wildlife sightings near places like the Robert lakes, accessible via Lessines Pass, is also a highlight. The community has upvoted these locations over 180 times and shared 13 photos, indicating a strong appreciation for the natural beauty and outdoor opportunities.
While popularity can fluctuate, the Pas de la Confession is noted for offering a quiet climb and spectacular views, suggesting it might be a good option for those seeking a more tranquil experience away from larger crowds. The Col de Chamrousse is also mentioned as being "not well known to cyclists" despite its challenging nature, which could imply fewer visitors compared to more famous routes.
Yes, for more information about mountain passes in the broader Grenoble area, you can visit the Grenoble Tourism website. They provide details on various cols that offer stunning views and outdoor opportunities. Check their guide to the cols around Grenoble for additional context.


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