Best mountain passes around Boulc offer diverse terrain in the French Alps, situated between the Vercors and Diois massifs. This region features mountain roads, cycling routes, and trails that provide access to various elevations and landscapes. The area is characterized by its cols and passes, connecting different valleys and plateaus. Visitors can explore routes known for their gradients and scenic views.
Last updated: April 28, 2026
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magnificent little walk to do
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On the edge of the Vercors plateaus, there are superb mountain roads that combine elevation and charming landscapes. The D 539 is one of them.
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The Col de Menée is a pass in the French Alps, located between the Vercors and Diois massifs, in the communes of Percy and Treschenu-Creyers, in the Auvergne-Rhône-Alpes region, at 1,457 m above sea level. It is considered the limit between Trièves and Diois.
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Quiet climb of the Col de la Menée before a long descent to Châtillon
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The Col de la Croix Haute from Saint-Maurice-en-Trièves is 6km long with a total drop of 309m. The average gradient is 5.1% with maximum gradients of 13.5%.
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Pass accessible on tarmac road with a little traffic all the same.
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A pass that is deserved especially in hot weather: the climate of the drome spares no one!
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Climb done from la Faurie, starts with a long section of false flat to Montbrand around Creyers, a tough section of sometimes 10%, then another gentle section and the last 3 km with a few hairpin bends up at a percentage of around 6%. Col from La Beaume shorter but much steeper.
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The region offers several passes with notable views. The D539 Mountain Road, Parc Naturel Régional du Vercors, is known for its superb mountain sections and charming landscapes. Col de Grimone (1318 m) and Croix Haute Pass also feature excellent viewpoints.
Yes, Col de Grimone (1318 m) is considered an easy climb, especially when approached from Lus-la-Croix-Haute. It's about 7.5 km long with an average gradient of around 4%.
For a more challenging experience, Croix Haute Pass features an average gradient of 5.1% with sections reaching up to 13.5%. The climb to Col de la Haute Beaume (1268 m) from La Faurie also includes a tough section of sometimes 10%.
Near the Col de Menée Vulture Observation Point, you have the opportunity to spot vultures, as the name suggests. The region's natural environment supports various bird species and other local wildlife.
The area around Boulc is excellent for various cycling activities. You can find numerous road cycling routes, such as the 'Die – Along the Drôme River loop' or 'Les Nonières – Col de Menée Tunnel loop'. There are also gravel biking options like the 'Châtillon-en-Diois – Miscon Pass loop'. For more details, explore the Road Cycling Routes around Boulc, Gravel biking around Boulc, and Cycling around Boulc guides.
The D539 Mountain Road, Parc Naturel Régional du Vercors, is noted for offering a 'magnificent little walk to do' along its scenic sections, combining elevation with charming landscapes.
Visitors appreciate the diverse terrain, from easy climbs to challenging gradients, and the superb mountain sections with charming landscapes. The region's passes are valued for their scenic views and the variety of routes suitable for different activities, often with minimal traffic.
The climate in the Drôme region, where Boulc is located, can be quite warm, especially in summer. One tip for Col de Grimone mentions that the pass is 'deserved especially in hot weather,' indicating that it can get warm. It's always advisable to check local forecasts before your visit.
Some areas, particularly valleys with very little traffic, might have limited amenities. For instance, a tip for Col de Grimone suggests that 'all the snacks etc. are closed' in such areas. It's best to plan ahead and carry your own provisions.
The Col de Menée is a pass in the French Alps, located between the Vercors and Diois massifs. It is considered the limit between Trièves and Diois, at 1,457 m above sea level, connecting different historical regions.
Yes, some passes offer a quieter experience. The eastern approach to Col de Grimone, for example, is described as a 'very nice valley with very little traffic,' making it ideal for a peaceful ride or walk.


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