Best mountain passes around Ornon are found in the Isère department of the French Alps, a region characterized by its diverse mountain landscape. The area is defined by the Col d'Ornon, which serves as a natural boundary between the Oisans and Valbonnais valleys. This location provides a mix of historical routes and recreational opportunities, particularly for cycling and hiking. The passes offer access to varied terrain, from forested slopes to high-altitude viewpoints.
Last updated: April 28, 2026
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Pass above Villard-Reymond. Be careful, turn left just before entering the village! This officially listed but little-known pass offers a breathtaking view of the 21 bends of Alpe d'Huez!!! Not to be missed!
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An iconic climb ridden countless times in the Tour de France.
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Short but very challenging climb.
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One of my favourite climbs in the area. There are four short unlit tunnels 1km out of Bourg on the start of the climb and they're quite poorly surfaced, especially the final one, so it's best to do this one with a decent set of lights. Lot of people stop and turn around at the village of Villard Notre Dam when the tarmac stops but if you keep going, I think the gravel section is the best bit - it's about 2.5km long to the top and it's do-able on a road bike - and if you're lucky you might see a marmot or two, especially if you ride it in the morning. Once you start to descend it's worth a detour to the cafe in Villard Reymond - the L'Eau Blanche.
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Pleasant road joining the 2 summits.
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Bit scary at night but no problem after slowing down a bit
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Fantastic journey from Alp Huez to Col de Sarenne. Fantastic landscape but very bad road.
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From Alpe d'Huez to Col de Sarenne, the road is practically free of traffic, although it is a little damaged. From Col de Sarenne to the dam (Lac de Chambon), road with good surface, impeccable descent, with fantastic views, keeping traffic low.
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The most popular mountain pass is Ornon Pass, known for its moderate gradients suitable for cycling. Other highly regarded passes include the iconic Alpe d'Huez Climb, famous for its 21 hairpin bends, and Pas de la Confession (Altitude 1542 m), which offers extensive views over the valley.
The Col d'Ornon is a well-regarded climb for cyclists, often featured in the Tour de France. It offers two distinct ascents: the northern side from La Paute (11.1 km, 5.8% average gradient) and the southern side from Entraigues (14.4 km, 3.9% average gradient). It's considered a good 'first col' due to its manageable gradients and provides picturesque hamlets, tree tunnels, and panoramic views across the Oisans Valley.
Yes, the region offers several challenging cycling routes. The Alpe d'Huez Climb is legendary for its 21 hairpin bends and demanding ascent. Cyclists also incorporate the Col d'Ornon into longer loops that include other challenging ascents like Oulles, known for its steep, narrow road. You can find more challenging routes in the Road Cycling Routes around Ornon guide.
The area around Ornon offers diverse hiking opportunities, from scenic trails through forests to high-altitude routes with stunning views. For example, the Solude Pass offers a challenging climb rewarded with a 360° view of the Grandes Rousses Massif. Many trails lead into the Ecrins National Park, providing varied terrain. Explore more options in the Hiking around Ornon guide.
Yes, the Col d'Ornon has a rich history. It was historically a much-frequented pass, connecting the Drac valley to the Lautaret and Montgenèvre passes. It served as a prehistoric path that later became a Roman road, with Roman tombs from the Late Empire discovered in the area.
The region is rich in natural beauty. The Pas de la Confession (Altitude 1542 m) offers beautiful views over the valley. From Solude Pass, you can enjoy a 360° panorama of the Grandes Rousses Massif. The Col d'Ornon valley itself is part of a Natura 2000 site, featuring outstanding hay meadows, rare white-footed crayfish, and one of Europe's largest alluvial forests of white alder trees.
While specific family-friendly passes aren't highlighted, the Col d'Ornon area is home to a small, family-oriented ski resort at its summit, offering a tranquil winter sports experience. For cycling, the Col d'Ornon's northern ascent is considered a good 'first col' due to its manageable gradients. For general outdoor activities, you can find easy routes in the MTB Trails around Ornon guide and Road Cycling Routes around Ornon guide.
The best time to visit depends on your activity. For cycling and hiking, late spring to early autumn (May to October) generally offers the most favorable weather conditions. For winter sports, the small ski resort at Col d'Ornon operates during the winter months, typically from December to March, offering skiing and cross-country trails.
Visitors frequently praise the stunning panoramic views, the quiet and traffic-calmed climbs, and the diverse landscapes ranging from wooded areas to high-altitude plateaus. Cyclists appreciate the varied ascents and the historical significance of passes like Alpe d'Huez Climb, while hikers enjoy the rewarding vistas from viewpoints like Pas de la Confession (Altitude 1542 m).
Yes, the region around Ornon offers mountain biking opportunities. You can find various trails, from easy loops to more challenging routes, that allow you to explore the diverse terrain. For specific routes and difficulty levels, refer to the MTB Trails around Ornon guide.
Absolutely. The Pas de la Confession (Altitude 1542 m) is specifically noted for its extensive views over the valley, making it a rewarding stop. Similarly, the summit of Ornon Pass offers panoramic views across the Oisans Valley.


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