4.6
(360)
8,024
riders
34
rides
No traffic road cycling routes around Chirens navigate a landscape shaped by ancient glacial activity and diverse natural features. The region features the protected Marais de Chirens, a mosaic of wet meadows and woodlands, alongside varied terrain including undulating hills and valleys. Miocene rocks, particularly puddingstones, form the subsoil, while frontal moraines from the Würm glaciation create a distinct amphitheater. This combination offers road cyclists a range of routes from scenic marshland rides to more challenging ascents in the surrounding…
Last updated: July 31, 2026
3.0
(1)
172
riders
27.6km
01:32
550m
550m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
32
riders
62.0km
03:26
1,000m
1,000m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

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4.0
(2)
24
riders
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
5.0
(4)
19
riders
34.3km
01:27
140m
140m
Moderate road ride. Great for any fitness level. Some segments of this route may be unpaved and difficult to ride.
17
riders
53.3km
03:03
960m
960m
Hard road ride. Very good fitness required. Some segments of this route may be unpaved and difficult to ride.
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Popular around Chirens
The dry toilets were burned down a few years ago. Tables, benches, and refills remain
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A superb climb which leads us to a magnificent view of the Chartreuse mountains, much more beautiful than at the summit of the Col des Mille Martyrs, and yet much less known!
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Here is the route for the ascent of the Col des Mille Martyrs starting from Saint-Nicolas-de-Macherin
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A beautiful encounter at the bend in the road
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The church was built between 1902 and 1911. The use of concrete imitating stone is remarkable.
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Just before the Col de Lachard, superb view of the village of Quincieu!
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Official referenced collar
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There are over 30 dedicated no-traffic road cycling routes around Chirens, offering a variety of distances and difficulty levels. You'll find 8 easy routes, 18 moderate, and 5 challenging options to explore.
The Chirens area is ideal for road cycling from spring through autumn. Spring offers lush green landscapes and pleasant temperatures, while autumn provides beautiful foliage. Summers are generally warm and sunny, perfect for longer rides. The varied terrain, from marshlands to hills, makes it enjoyable across these seasons.
Yes, Chirens offers 8 easy no-traffic road cycling routes, perfect for beginners or families looking for a relaxed ride. These routes often feature gentler gradients and scenic paths through the Val d'Ainan or around the Marais de Chirens. For a pleasant, mostly flat option, consider the V63 cycle route – Bicycle rest area loop from Voiron.
Absolutely. For experienced cyclists seeking a challenge, there are 5 difficult no-traffic road cycling routes. These routes often involve significant elevation gains, taking you into the foothills of the Chartreuse massif. An example is the Saint John the Baptist Church – Toutes Aures Pass loop from Beaucroissant, which features over 1000 meters of elevation gain.
Many of the no-traffic road cycling routes around Chirens are designed as loops, allowing you to start and finish at the same point without retracing your steps. This includes routes like the Col des Mille Martyrs loop from Saint-Nicolas-de-Macherin, offering varied scenery and terrain.
The routes around Chirens offer diverse scenery. You can expect views over the ancient glacial valley of the Val d'Ainan and the unique ecosystems of the Marais de Chirens. Some routes may also offer glimpses of Lake Paladru. For specific viewpoints, look for routes that pass near the Croix des Cochettes View of Lac de Paladru. The area's geological history, with its puddingstones and glacial moraines, also adds to the unique landscape.
While focusing on natural beauty, some routes may pass by or near cultural points of interest. Chirens itself is home to the Benedictine Priory of Chirens, with its 12th-century Romanesque apse. You might also encounter other historical sites like the Dolmen de l'Antillière, depending on your chosen route.
Yes, parking is generally available in and around Chirens, particularly in village centers or designated parking areas, which serve as convenient starting points for many routes. Specific parking information can often be found on individual route pages on komoot.
Chirens is connected by local public transport, though options for carrying bikes may vary. Larger nearby cities like Grenoble and Chambery, approximately 30-34 km away, offer more extensive public transport links. It's advisable to check local bus schedules and bike policies in advance if you plan to use public transport to access the routes.
The no-traffic road cycling routes around Chirens are highly regarded by the komoot community, with an average rating of 4.6 out of 5 stars from over 300 reviews. Cyclists often praise the quiet roads, diverse landscapes ranging from marshlands to challenging climbs, and the overall sense of tranquility away from heavy traffic.
While Chirens itself is not directly on Lake Paladru, its proximity means many routes offer access to the lake area. You can find scenic, low-traffic roads that circle parts of the lake, providing beautiful views and opportunities for lakeside stops. The lake is a significant natural attraction in the region, and routes often incorporate its surroundings.
The Chirens area offers a unique blend of natural features for traffic-free road cycling. It's characterized by the protected Marais de Chirens, ancient glacial landscapes, and its position at the foothills of the Chartreuse massif. This provides a diverse cycling experience, from flat, serene rides through wetlands to more demanding ascents with panoramic views, all on roads with minimal vehicle traffic.


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