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Auvergne Rhône Alpes
Grenoble

Marnans

The best traffic-free bike rides around Marnans

4.5

(61)

974

riders

27

rides

No traffic road cycling routes around Marnans traverse a landscape characterized by rolling hills, forested sections, and open rural roads. The region, likely situated in the Isère department of France, offers varied terrain with notable elevation changes, including several cols (mountain passes) that challenge cyclists. These routes often wind through quiet countryside, connecting small villages and offering views of the surrounding natural environment. The area provides a diverse setting for road cyclists seeking routes away from heavy vehicle traffic.

Best…

Last updated: October 21, 2026

5.0

(1)

36

riders

#1.

Gorges du Nan – GORGES DU NAN loop from Chasselay

66.0km

03:55

1,620m

1,620m

Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

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Hard

Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

Moderate
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Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

Moderate

Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

Moderate

Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

Moderate
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Popular around Marnans

Traffic-free bike rides around Marnans

Traffic-free bike rides around Marnans

Tips from the Community

GravelHit 3️⃣8️⃣
August 29, 2026, La Forteresse

Medieval origins (11th - 12th centuries): The religious site is of very ancient origin. From the end of the 11th century, several religious buildings are mentioned in the commune. The Saint-Pierre church itself is cited under the name "ecclesia de Anos" in the famous cartulary of Saint Hugues (Bishop of Grenoble). In the Middle Ages, the church was directly dependent on the priory of Saint-Laurent of Grenoble, as attested by an official terrier dating from 1497 under the name "ecclesia Sancti Petri de Fortaressia".

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Considered by local cyclists to be the most demanding pass in the Chambarans, it mainly connects the Isère valley to the commune of La Forteresse.

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Considered by local cyclists to be the most demanding pass in the Chambarans, it mainly connects the Isère valley to the municipality of La Forteresse.

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Currently new asphalt on the first km👌

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Beat
July 18, 2026, Pont cassé

the basic structures of the old suspension bridge are still standing, but traffic runs parallel over a new bridge.

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Soierie de Bressieux (officially known as the Girodon factory-boarding school) is a former 19th-century silk weaving mill located in Saint-Siméon-de-Bressieux in Isère, built between 1873 and 1875 by Lyon industrialists and active until 1934.

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Darphin
December 2, 2025, Château de Sillans

Traces of this castle can be found in the archives dating back to 1315, when it was under the jurisdiction of the lord of Saint Geoirs. A remarkably well-preserved tower still remains.

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Here is the route for the ascent of the Col de Châtain starting from Cras

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Frequently Asked Questions

How many no-traffic road cycling routes are available around Marnans?

There are over 30 dedicated no-traffic road cycling routes around Marnans, offering a variety of distances and difficulty levels for a peaceful ride.

What is the best time of year for no-traffic road cycling in Marnans?

The best time for road cycling in Marnans is typically from spring through autumn, when the weather is mild and the roads are clear. While some routes might be accessible in winter, it's always best to check local weather conditions, especially for higher elevation passes.

Are there routes suitable for beginners or families in Marnans?

Yes, Marnans offers several easy no-traffic road cycling routes perfect for beginners or families looking for a relaxed ride. One such route is the Bressieux Silk Mill loop from Saint-Siméon-de-Bressieux, which is classified as easy.

What kind of terrain can I expect on no-traffic road cycling routes near Marnans?

The terrain around Marnans is varied, featuring rolling hills, scenic valleys, and mountain passes. You can expect well-paved surfaces on most road cycling routes, with some offering significant elevation gains as you traverse the local landscape.

Are there any challenging no-traffic road cycling routes for experienced cyclists?

Absolutely. For experienced cyclists seeking a challenge, Marnans offers several difficult no-traffic routes. An example is the Rencurel Village – Col de Romeyère loop from Chasselay, which features substantial elevation gain over its 82.9 km distance.

Can I find circular no-traffic road cycling routes in Marnans?

Yes, many of the no-traffic road cycling routes around Marnans are designed as loops, allowing you to start and finish at the same point. Examples include the Col de Châtain (684 m) – Parménie Pass loop from Brézins and the Château de Montfalcon – Etangs loop from Châtenay.

Where can I park my car when accessing no-traffic road cycling routes in Marnans?

Parking availability varies by route starting point. Many routes begin in or near villages like Brézins or Châtenay, where public parking is often available. It's advisable to check the specific route details on komoot for recommended parking locations.

Are there any scenic viewpoints or landmarks along these routes?

Yes, the region around Marnans is rich in scenic viewpoints and historical landmarks. You might encounter mountain passes like Col de la Madeleine (Chambarans) or Lachard Pass (695 m), offering panoramic views. Historical sites such as Château de Bressieux are also accessible near some routes.

Are the no-traffic road cycling routes in Marnans dog-friendly?

While many outdoor areas in France are generally welcoming to dogs, specific rules for cycling routes can vary. It's always best to keep dogs on a leash, especially in rural areas or near livestock. For specific routes, check local signage or the route description for any restrictions regarding pets.

What do other road cyclists enjoy the most about road cycling in Marnans?

The area is highly rated by the komoot community, with an average score of 4.5 stars. Reviewers often praise the quiet, well-maintained roads, the diverse terrain offering both gentle and challenging climbs, and the stunning natural beauty of the Isère region, particularly the peaceful atmosphere away from traffic.

Are there cafes or restaurants along the no-traffic road cycling routes in Marnans?

Many routes pass through or near charming villages where you can find local cafes, bakeries, or restaurants to refuel. Planning your route with komoot allows you to identify points of interest, including places to eat, along your chosen path.

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