Top 20 Mountain Passes around Grenoble
Best mountain passes around Grenoble are found in a region known as the "Capital of the French Alps." This area is surrounded by mountain ranges, providing access to numerous passes. These routes are frequented by cyclists, motorists, and hikers. The landscape offers diverse terrain and views.
Best mountain passes around Grenoble
- The most popular mountain passes is Alpe d'Huez Climb, a climb known for its 21 hairpin bends. This climb is a frequent feature in the Tour de France.
- Another must-see spot is Arc Pass, a mountain pass culminating at 1,736 meters above sea level. It offers views of Belledonne, Les Rousses, and Les Écrins.
- Visitors also love Ornon Pass, a mountain pass with two distinct routes for climbing. It provides varied challenges for cyclists, with different approaches catering to various preferences.
- Grenoble is known for challenging climbs, scenic viewpoints, and intermediate mountain passes. The region offers a variety of mountain passes to explore, suitable for different activity levels.
- The mountain passes around Grenoble are appreciated by the komoot community, with over 690 upvotes and 75 photos shared across the highlights.
Last updated: April 28, 2026
Alpe d'Huez Climb
Highlight • Climb
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Arc Pass
Highlight • Mountain Pass
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Sarenne Pass
Highlight • Mountain Pass
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Col de Porte (1326 m)
Highlight • Mountain Pass
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Ornon Pass
Highlight • Mountain Pass
From the Pont du Prêtre the climb is much longer. It is 21.9 km long with a total drop of 757 m. The average gradient is 3.2% with maximum gradients of 8%.
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La Molière Alpine Pasture and Panoramic View
Highlight • Viewpoint
Hundreds of cows graze there every summer and enjoy a superb panoramic view of the Alps!
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Pas de la Confession (Altitude 1542 m)
Highlight • Mountain Pass
Ideal if you are looking for a nice quiet climb with great views. This is definitely worth a short stop, beautiful with a view over the valley.
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Col du Cucheron
Highlight • Mountain Pass
Relatively short climb from Saint-Pierre-de-Chartreuse.
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Clémencières Pass
Highlight • Mountain Pass
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Col du Coq
Highlight • Mountain Pass
The Col du Coq is the highest pass in the Chartreuse. From the north / west (St. Pierre) the road is in really bad condition (08/2020), there are some sections for which a gravel bike would be more suitable. Unfortunately, the worst part is also at the steepest (over 15%) point. The ascent from the north / west (I only drove this side) has two longer steep sections, but is otherwise easy to do. You shouldn't be surprised that shortly before the summit it goes downhill for a relatively long time, only to then climb again well. On the east side, you can either descend right into the valley (but be careful: very long, completely unlit tunnel on the descent !!) or to the left to the Petites Roches.
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Tips from the Community
The most beautiful hill to climb in these areas.
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Beautiful surroundings and a wonderful place to start this (and other) hikes. Les Ateliers du Cucheron is a fantastic hotel/gite with very friendly staff. I'll definitely be back to discover more hikes.
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An iconic climb ridden countless times in the Tour de France.
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From Saint Laurent du Pont, a demanding 14km climb, with many sections at over 10%. It is divided into three parts: 9km of irregular ascent (6 to 11.5% /100m) to the junction for the Chartreuse Monastery. Then 2km of flat terrain to the foot of St Pierre de Chartreuse and finally a very steep climb (several sections at +12% /100m) to the Col de Cucheron. A pass not to be underestimated! 25 degrees at St Laurent = 15 degrees at the top of the pass and its very shaded slopes. Dress accordingly.
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Favor the climb via Sarcenas, almost no cars
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first difficulty of the Col de Porte. At the summit, we enjoy a fairly short descent before resuming the ascent of the Col de Porte
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Exceptional site at the foot of the Dent de Crolle with access via a wild forest road
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Frequently Asked Questions
Which mountain passes around Grenoble are most popular for cycling?
The region around Grenoble is a cycling paradise. The Alpe d'Huez Climb is legendary for its 21 hairpin bends and frequent inclusion in the Tour de France. Another iconic climb is the Col du Galibier, known for its challenging ascent and breathtaking panoramas. The Col de la Croix de Fer also offers a rewarding and picturesque ride.
Are there easy mountain passes near Grenoble suitable for families or less experienced cyclists?
Yes, for a more accessible experience, the Col du Lautaret is a great option. It's considered one of the easier ascents above 2,000 meters with a moderate gradient, making it suitable for cyclists of varying skill levels. It also offers amenities like cafes and shops at the summit.
What kind of natural features can I expect to see at these mountain passes?
The mountain passes around Grenoble offer diverse natural beauty. At the Col du Lautaret, you can explore the Alpine Botanical Garden, showcasing local flora. Passes like the Arc Pass provide magnificent views of the Belledonne, Les Rousses, and Écrins massifs. The Col du Galibier, especially towards its summit, features wild, rocky terrain and exceptional panoramas of the Écrins massif.
What historical significance do some of these mountain passes hold?
Many passes in the region are steeped in cycling history. The Alpe d'Huez Climb, Col du Galibier, and Col de la Croix de Fer are all legendary stages of the Tour de France. The Col du Galibier even has a monument dedicated to Henri Desgrange, the founder of the Tour de France, at its tunnel entrance.
What outdoor activities can I do near the mountain passes around Grenoble?
Beyond cycling, the region offers a wide range of outdoor activities. The Col du Lautaret is a starting point for hiking and ski touring in winter. Near the Col de Porte, within the Chartreuse Regional Natural Park, you can find mountain biking, hiking, summer biathlon, and even donkey treks. For hiking, you can explore routes like the Ut4M 40 Chartreuse or easy hikes such as the Aiguille de Chalais and Rocher de Bellevue Loop. Find more details on these activities in the Running Trails around Grenoble and Easy hikes around Grenoble guides.
Are there any mountain passes suitable for a family day out close to Grenoble?
The Col de Porte, located within the Chartreuse Regional Natural Park, is an excellent family-friendly destination. It's easily accessible and offers various summer activities like hiking, mountain biking, and even yoga or meditation, providing an authentic mountain experience close to Grenoble.
When is the best time to visit the mountain passes around Grenoble?
The best time largely depends on the pass and your activity. Many high mountain passes like the Col du Galibier are generally open from June to early October. Lower passes and those with well-maintained roads, such as the Col du Lautaret, are often open year-round, except during heavy snowfalls. Summer and early autumn offer the most reliable conditions for cycling and hiking across most passes.
Which mountain passes offer the most challenging cycling routes?
For a significant cycling challenge, the Alpe d'Huez Climb is renowned for its 21 hairpin bends. The Col du Galibier is another demanding ascent. For varied challenges, the Ornon Pass offers two distinct routes, with one being longer and the other featuring steeper sections, catering to different preferences for difficulty.
Are there good viewpoints or scenic drives among the mountain passes?
Absolutely. The Col du Lautaret offers stunning views of La Meije and the Écrins National Park. The La Molière Alpine Pasture and Panoramic View is another highlight offering expansive vistas. Many passes, including the Col du Galibier and Col de la Croix de Fer, are popular for scenic drives due to their winding roads and dramatic Alpine landscapes.
Can I find cafes or restaurants near the mountain passes?
Yes, some of the more frequented passes offer amenities. The Col du Lautaret, for example, has cafes and souvenir shops at its summit, making it a convenient stop during your journey. For other passes, it's advisable to check local resources or plan your route to include towns or villages with dining options.
What do visitors appreciate most about the mountain passes around Grenoble?
Visitors frequently praise the challenging climbs, the magnificent scenic viewpoints, and the diverse range of experiences available. The unique character of each pass, from the historic cycling routes to the tranquil natural parks, is highly valued by the komoot community, with over 690 upvotes and 75 photos shared across the highlights.
Are there any lesser-known or 'hidden gem' passes worth exploring?
While not entirely hidden, the Sarenne Pass is often described as a true natural spectacle and a beautiful climb, fully paved and much less busy than the famous Alpe d'Huez, offering a more serene experience. The Pas de la Confession also offers an intermediate climb with rewarding views.
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