4.7
(110)
3,383
riders
5
rides
Road cycling around Boulc, located in the Diois region of the Drôme department in Auvergne Rhône-Alpes, France, offers diverse landscapes for no traffic road cycling routes. The area is characterized by varied terrain, from deep gorges to mountain passes, within a mountainous territory at the intersection of the northern and southern Alps. Notable features include the impressive Saut de la Drôme and the geological site known as The Claps, alongside the Gorges des Gâts, considered one of France's most scenic…
Last updated: May 21, 2026
4.7
(6)
160
riders
57.1km
03:23
1,460m
1,460m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.
4.7
(3)
93
riders
82.2km
04:33
1,780m
1,780m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

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5
riders
16.0km
00:50
240m
240m
Moderate road ride. Great for any fitness level. Some segments of this route may be unpaved and difficult to ride.
5
riders
38.4km
01:57
660m
660m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
5
riders
23.6km
01:12
410m
410m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
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Popular around Boulc
Much better alternative than the main road from the Drôme towards Gap. Almost no traffic, on average 4-5% on both sides, but short stretches also 7-8%. On the south side beautiful rock formations and gorge, north side less spectacular, more between trees.
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Here is the route for the ascent of the Col de Menée starting from Menée
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The legendary Col de Penne offers magnificent views.
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Very beautiful panorama on the Hautes Alpes side
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You can also find a 1000er in the area
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A good route for a worthwhile goal
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comfortable climb and magnificent landscapes
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The Colde Pennes is worth driving, the northern descent is great
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The Diois region, where Boulc is located, offers a diverse range of terrain for road cyclists. You'll find routes winding through deep gorges, past impressive geological formations, and climbing towards scenic mountain passes. Expect varied landscapes, from the dramatic Gorges des Gâts with its tunnels and bridges, to more open valley views.
Yes, for experienced riders seeking a challenge, the area offers routes with significant elevation gain. A notable option is the Downhill from Col de de Pennes – Col de Pennes loop from Saint-Roman, which covers approximately 57.5 km with over 1,400 meters of ascent, providing a demanding yet rewarding experience.
Absolutely. Many routes in the area are classified as moderate, offering a good balance of distance and elevation. For example, the Archiane Cirque loop from Ville Basse is a moderate 44.8 km ride with around 650 meters of climbing, perfect for a solid day out without extreme difficulty.
Yes, all the routes listed in this guide are circular, meaning they start and end in the same general area. This allows for convenient planning without needing to arrange return transport. An example is the View of Pic de l'Aigle loop from Lus-la-Croix-Haute, a moderate 15.6 km loop.
The region is rich in natural beauty and viewpoints. You can experience the impressive Saut de la Drôme and the Claps, a spectacular waterfall and geological site. For panoramic vistas, consider routes that offer views of Pié Ferré (Le Dôme), which provides breathtaking views of the Diois valley.
The best time for road cycling in Boulc is generally from spring through autumn. During these seasons, the weather is typically more favorable, with milder temperatures and less chance of snow at higher elevations. Summer offers warm conditions, ideal for enjoying the refreshing reservoirs like the Claps, while spring and autumn provide beautiful scenery with fewer crowds.
While many routes in the Diois region involve significant climbs, some shorter, moderate options can be suitable for families with older children or those accustomed to road cycling. The View of Pic de l'Aigle loop from Lus-la-Croix-Haute, at 15.6 km with 230 meters of elevation, could be a good starting point for a family looking for a moderate ride.
Many of the routes start from villages or towns such as Saint-Roman, Ville Basse, or Lus-la-Croix-Haute. These locations typically offer public parking facilities where you can leave your vehicle before starting your ride. It's always advisable to check local signage for any parking restrictions.
The komoot community highly rates the road cycling experience around Boulc, with an average score of 4.7 out of 5 stars from 99 ratings. Cyclists often praise the stunning natural beauty, the quiet roads, and the rewarding climbs that lead to incredible views, making it a favorite for those seeking a peaceful yet challenging ride.
Yes, many routes pass through or near charming villages in the Diois region. For instance, the route Downhill from Col de de Pennes – Magnificent view loop from Saint-Roman starts from Saint-Roman, and other routes may pass through towns like Châtillon-en-Diois or Luc-en-Diois. These villages often have small cafes, bakeries, or shops where you can refuel and take a break.
The entire Diois region is considered a hidden gem for outdoor enthusiasts. While specific routes are well-loved, the quiet roads leading through areas like the Gorges des Gâts or towards the highest hamlets like Ravel et Ferriers offer a sense of discovery. These less-traveled paths provide a truly immersive experience in the natural beauty of the Drôme.


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