4.4
(9)
59
riders
5
rides
Gravel biking around Chirens offers access to a diverse landscape in the Isère department, characterized by the foothills of the Chartreuse massif, the serene waters of Lake Paladru, and extensive forests. The region provides a network of no traffic gravel bike trails that traverse varied terrain, including forest tracks, rural paths, and sections around wetlands. This area is ideal for gravel cyclists seeking routes away from vehicular traffic, with options ranging from lakeside paths to more challenging ascents through natural environments.
Last updated: July 4, 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.
4.0
(1)
11
riders
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
3
riders
48.6km
03:33
920m
920m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Chirens
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
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 5 curated no-traffic gravel bike trails around Chirens, offering a variety of experiences from easy rides to more challenging routes through diverse landscapes.
The terrain around Chirens is quite varied. You'll encounter a mix of forest tracks, rural paths, and sections near lakes and marshlands. The foothills of the Chartreuse massif offer more challenging, hilly sections, while areas around Lake Paladru feature flatter, scenic paths, some of which are unpaved and ideal for gravel biking.
Yes, for an easier, traffic-free experience, consider routes like the Via chartreuse – Canal de l'Herretang loop from Saint-Joseph-de-Rivière or the Via chartreuse – Old Saint-Martin Bridge loop from Saint-Joseph-de-Rivière. These routes offer gentle gradients and are perfect for enjoying the scenery without significant physical demands.
If you're looking for a more demanding ride, the Gorges du Crossey – Gorges de Crossey loop from Saint-Aupre and the Lac de Paladru – Our Lady of the Vines loop from Montferrat both feature significant elevation changes and longer distances, providing a good workout through varied terrain.
Many routes offer stunning views and points of interest. You can ride past the beautiful Lake Paladru, often called 'Lac Bleu' for its turquoise waters, or explore the dramatic Gorges du Crossey. The Croix des Cochettes View of Lac de Paladru offers panoramic vistas, and you might even encounter historical sites like the Our Lady of the Vines.
Yes, all the no-traffic gravel routes listed are circular, meaning you'll start and end at the same point. This makes planning your ride and parking much more convenient.
The region is beautiful throughout the warmer months, typically from spring to autumn. Spring brings lush greenery and blooming wildflowers, while autumn offers vibrant foliage. Summer is also popular, especially for combining rides with water activities at Lake Paladru. Always check local weather conditions before heading out.
While some routes are more challenging, the easier trails like the Via chartreuse – Canal de l'Herretang loop offer relatively flat and safe environments away from traffic, making them suitable for families with some biking experience. The dedicated greenways around Lake Paladru are also excellent for family outings.
Generally, dogs are welcome on many outdoor trails in the region, especially on forest tracks and rural paths, provided they are kept under control, ideally on a leash, and you clean up after them. However, specific regulations might apply in protected natural areas like the Marsh of Chirens. It's always best to check local signage or park rules for the specific trail you plan to ride.
The area is highly rated by the komoot community, with an average score of 4.5 stars. Reviewers often praise the tranquility of the routes, the stunning natural beauty, and the variety of landscapes, from the serene lakeside paths to the challenging forest climbs, all while enjoying the peace of traffic-free riding.
Many of the routes start from villages or towns like Saint-Aupre, Saint-Joseph-de-Rivière, Montferrat, or Le Grand-Lemps, which typically offer public parking facilities. It's advisable to check the specific starting point of your chosen route on komoot for detailed parking information.


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