Best mountain passes around Rousset are primarily associated with the Col de Rousset, located in the Vercors Regional Natural Park in the Drôme department of France. This area serves as a significant crossing point, connecting the town of Die to Vassieux-en-Vercors. The pass, at an elevation of 1,254 meters, features winding roads and offers views over the southern Vercors and the Pays Diois area. It provides access to the Vercors massif, a region known for its diverse outdoor activities.
Last updated: June 26, 2026
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Col de Pontis is a climb located in the Serre Ponçon region. This climb is 5.2 kilometers long, with a positive elevation gain of 507 meters. Col de Pontis has an average gradient of 9.7%. With this gradient, the climb has 521 difficulty points. The highest point is at an altitude of 1,299 meters.
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It is a very complicated climb with asphalt not in good condition. The views are stunning.
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The climb is very demanding, you have to pay attention to the asphalt which is not in good condition on both sides. The view of the lake is magnificent.
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A climb with gentle slopes.
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Very simple climb with little traffic, shame about the asphalt which is not in good condition.
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Very simple climb, pay attention to the asphalt which is very slippery and easy to slip.
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Connecting the Gapençais and the Durance valley, the Lebraut pass is a magnificent viewpoint over the Serre-Ponçon lake. Small roads that are as discreet as they are panoramic provide access to the heart of resplendent nature.
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As stated by others and nice climb, very quiet. But man-man-man what a bad road surface on the east side.
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For breathtaking views, the Col de Pontis offers spectacular vistas of Lac de Serre-Ponçon with each hairpin bend. The Gardette Pass also provides stunning panoramas of flowering mountain pastures and Lake Serre-Ponçon, revealing the Réallon valley at its summit.
The Col de Pontis is renowned as one of France's most beautiful climbs, though it's short and tough with an average gradient of 9.6%. For a simpler climb with less traffic, consider the Col des Garcinets, which has an average gradient of 4.5% over 12.5 km. The Col Saint Jean (1332 m) offers gentle slopes, making it a good option for a more relaxed ride.
Absolutely. The Col de Pontis is known for its demanding nature, especially from the south side, with an average gradient of 9.6%. The Gardette Pass is also described as a tough climb, reaching an elevation of 2125m.
You'll encounter a variety of terrains. While many passes feature winding roads, some, like the Col des Garcinets and the Col de Pontis, have sections where the asphalt condition is not ideal, requiring attention. The Col de Pontis is also practicable by mountain bike and gravel bike, indicating varied surfaces.
Beyond cycling the passes, the region around Rousset offers a wealth of outdoor activities. You can explore various hiking trails, including moderate routes like 'Le Rocher Chabrand via the Saut de Rolland' or more difficult ones such as 'Rolland's Leap – Rousset village square loop'. There are also numerous cycling routes, from moderate 'Balcons du Lac Loop' to challenging 'Hautes Terres de Provence Loop'. For mountain biking enthusiasts, MTB trails like 'Boucle du barrage de Serre-Ponçon' are available.
For those seeking a less strenuous experience, the Col Saint Jean (1332 m) is known for its gentle slopes, making it a good option for beginners or those looking for a more relaxed climb. The Col des Garcinets is also described as a 'simple climb'.
Visitors frequently praise the stunning views, particularly of Lac de Serre-Ponçon, and the challenging yet rewarding climbs. The sense of accomplishment after tackling passes like the Col de Pontis, combined with the beautiful natural surroundings, makes for a memorable experience. The region's diverse trails also cater to various skill levels, ensuring there's something for everyone.
While this guide focuses on mountain passes near Rousset-Serre-Ponçon, the name 'Rousset' is also strongly associated with the Col de Rousset in the Vercors Regional Natural Park. This pass, at 1,254 meters, is a significant crossing point known for its scenic views, winter sports, and as a starting point for the Great Crossing of Vercors. You can find more information about it on Wikipedia.
When tackling passes like the Col de Pontis or Col des Garcinets, be mindful of the asphalt condition, which can be poor in some sections. It's always advisable to check local conditions before heading out, especially for challenging climbs.
The Col de Pontis has a challenging average gradient of 9.6% over 5.3 kilometers. The Col des Garcinets offers a more moderate climb with an average gradient of 4.5% over 12.5 km. The Col Saint Jean (1332 m) is known for its gentle slopes, averaging 3.5% over 7 km.
Yes, the descent from the Col de Pontis towards the village of Pontis and then Savines offers beautiful views of the Demoiselles Coiffées, unique geological formations, as well as the lake on the Durance side.


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