4.4
(9)
59
riders
8
rides
Gravel biking around Chirens offers varied terrain shaped by glacial activity, featuring a diverse landscape well-suited for unpaved routes. The region is characterized by its proximity to Lac de Paladru, deep gorges, and significant mountain passes, providing a mix of forest paths and open country. Glacial valleys and moraines contribute to undulating terrain, offering varied gradients and scenic vistas. The Chirens Marshes, formed from a former glacial lake, present a mosaic of wet meadows and woodlands, ideal for gravel bike…
Last updated: July 2, 2026
4.5
(2)
15
riders
37.1km
02:29
530m
530m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
14
riders
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

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5.0
(2)
7
riders
34.1km
02:26
570m
570m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(2)
7
riders
106km
06:32
1,470m
1,470m
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.
4.0
(1)
11
riders
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
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Small bridge, unfortunately unpaved cycle path, but beautiful landscape, partial views of the Chartreuse.
2
0
Unfortunately unpaved cycle path, but beautiful landscape, partly views of the Chartreuse.
3
0
Unpaved cycle path Via Chartreuse
2
0
Overall, a smooth and comfortable gravel route. A few sections are a bit bumpier. Certainly the best option for a leisurely climb towards the Vercors mountains, safe and secure, in a beautiful setting and somewhat shaded when the sun is beating down.
1
0
Located at the northern end of Lake Paladru, this wetland is fed by the Courbon stream. It is a true extension of the lake, rich in biodiversity and very pleasant.
0
0
Here, you enter a sensitive natural area for a 1-kilometer trail marked with four stations to discover the area's remarkable flora and fauna. A pleasant way to connect the two shores of Lake Paladru, between Paladru and Montferrat.
1
0
There are over 20 gravel bike trails around Chirens, offering a variety of experiences for different skill levels. The komoot community has explored these routes over 80 times.
The gravel biking routes in Chirens range from moderate to difficult. You'll find 6 moderate routes and 13 difficult routes, with a few easier options also available, ensuring there's a challenge for most riders.
While many routes are moderate to difficult, there are a couple of easier options. For a less strenuous ride, consider exploring the 2 routes categorized as easy, which are great for getting started with gravel biking in the region.
Experienced gravel bikers will find plenty of challenging options, with 13 routes rated as difficult. A notable route is the Thousand Martyrs Pass – Col des Mille Martyrs loop from Chirens, which covers over 52 km with significant elevation gain.
Yes, many of the gravel bike routes in Chirens are designed as loops. For example, the Lac de Paladru – Our Lady of the Vines loop from Montferrat and the Gorges du Crossey – Pierre Chave Bridge loop from Saint-Aupre are popular circular options.
Popular starting points for gravel bike trails include Montferrat, Saint-Aupre, L'Arsenal, Chirens, and Vourey. These villages often provide convenient access to the varied terrain of the region.
Yes, parking is generally available in the villages and towns that serve as trailheads, such as Montferrat, Saint-Aupre, and Chirens. Look for designated parking areas or public spaces within these communities.
Many routes offer scenic views of Lac de Paladru and the surrounding vineyards. You can also encounter natural features like the Gorges du Crossey and historical sites such as Our Lady of the Vines. The View of the Vercors massif – Saint-Jean-de-Chépy Castle loop from Vourey specifically highlights panoramic vistas.
Absolutely. The region is known for its scenic beauty. The Croix des Cochettes View of Lac de Paladru is a notable viewpoint that can be incorporated into several rides, offering stunning perspectives of the lake.
The komoot community rates the trails highly, with an average score of 4.25 stars. Riders frequently praise the varied terrain, which includes forest paths, open country, and routes with views of the Vercors massif, as well as the beautiful Lac de Paladru.
The best seasons for gravel biking in Chirens are typically spring and autumn, when the weather is mild and the landscapes are vibrant. Summer can also be pleasant, especially around Lac de Paladru, but be prepared for warmer temperatures. Winter riding is possible but may involve colder conditions and potentially some snow at higher elevations.
Yes, for those seeking longer rides, routes like the Thousand Martyrs Pass – Col des Mille Martyrs loop from Chirens extend over 52 km, providing a substantial challenge and a full day out on the bike.


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