3.9
(15)
47
riders
19
rides
Gravel biking around Saint-Agnin-Sur-Bion offers varied terrain across the Isère department in southeastern France. The region is characterized by a multitude of small woods and morainic hills, providing a diverse landscape for off-road cycling. Riders can expect undulating terrain with ascents and descents, alongside rural paths and forest tracks. This environment is well-suited for exploring on no traffic gravel bike trails.
Last updated: May 25, 2026
3.7
(3)
5
riders
48.7km
03:13
620m
620m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4
riders
50.5km
03:20
500m
500m
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.

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7
riders
28.2km
01:37
140m
140m
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
3.8
(6)
8
riders
34.9km
02:38
530m
530m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
3.0
(3)
4
riders
42.7km
03:05
610m
610m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Saint-Agnin-Sur-Bion
A lovely restored and open chapel
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a pretty chapel
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Bourgoin-Jallieu: The former General Stores are being transformed into a street art haven https://www.francebleu.fr/infos/insolite/bourgoin-jallieu-les-anciens-magasins-generaux-se-transforment-en-royaume-du-street-art-6125702
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Superb greenway with a very pleasant surface, rolling in being tarmac. Often shaded, so good in summer
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Cremieu - Morestel: The old railway line is still clearly visible on the route. Lots of shade, very scenic.
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On one of the high points of the hill of L'Isle d'Abeau, on the northern edge overlooking the hamlet of Didier and the quarries, is the location of the old fortified house of the Pollouds, a family mentioned in the 14th and 16th centuries. centuries. The Napoleonic land register shows that several buildings were still standing in the first half of the 19th century under the name of “Delay” castle (name of the farmer who bought the land after the Revolution). The chapel, circular in plan, occupies one of the towers of the old castle, as shown by the presence of three keyhole shooting slots. In the 1860s, the owner transformed this tower, then serving as a henhouse, into a public oratory, which he had decorated with a mural and a statuette of Saint Anne.
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There are 14 dedicated no-traffic gravel bike trails around Saint-Agnin-sur-Bion listed in this guide. These routes offer a variety of distances and difficulty levels, ensuring options for different skill sets.
The region around Saint-Agnin-sur-Bion is characterized by a mix of wooded areas, morainic hills, and rural paths. You'll encounter diverse surfaces, from forest tracks in places like Les Vernes and Le Bois des Bruyères to unpaved paths winding through undulating terrain. This provides a classic gravel biking experience with varied ascents and descents.
Yes, there are 2 easy no-traffic gravel routes. A good option for a more relaxed ride is the Bourbre Greenway – Montée du Loup loop from Bourgoin-Jallieu, which covers about 28 km with minimal elevation gain, making it suitable for those looking for a less strenuous experience.
The komoot community rates the no-traffic gravel trails around Saint-Agnin-sur-Bion highly, with an average score of 3.9 stars. Riders often praise the peaceful, traffic-free nature of the routes, the scenic wooded sections, and the varied terrain that keeps rides interesting without being overly technical.
Yes, many of the routes are designed as loops. For example, the challenging Étang de Chalignieu – Crémieu–Morestel Greenway loop from L'Isle-d'Abeau is a circular route covering nearly 49 km, taking you through diverse landscapes and back to your starting point.
While riding, you might encounter natural and historical points of interest. Keep an eye out for places like the tranquil Étang de la Rosière. The area also features historical elements, such as the village's 13th-century tower, and various chapels like Chapelle Sainte-Anne and Saint Joseph Chapel, offering glimpses into the local heritage.
Absolutely. For experienced riders seeking a challenge, routes like the Col du Croupion – Bourbre Greenway loop from L'Isle-d'Abeau offer over 50 km of riding with significant elevation changes. Another demanding option is the Enter – Route de Beausoleil loop from Bourgoin-Jallieu, which features substantial climbs and descents over its 43 km length.
The varied landscapes, including numerous wooded areas, make spring and autumn particularly pleasant for gravel biking. The mild temperatures and vibrant foliage (or blooming nature) enhance the experience. Summer can also be enjoyable, especially on routes that offer shade from the sun, but be mindful of potential heat.
Yes, some routes incorporate water features. The Three Waters Pond – Pavilion of the Four Winds loop from L'Isle-d'Abeau, for instance, suggests proximity to ponds, offering scenic views and tranquil spots along its 34 km length.
While Saint-Agnin-sur-Bion itself is a smaller village, nearby larger towns like Bourgoin-Jallieu and L'Isle-d'Abeau, which serve as starting points for some routes, are generally better connected by public transport. It's advisable to check local bus or train schedules to these towns if you plan to use public transport to reach the trailheads.
Many routes starting from towns like Bourgoin-Jallieu or L'Isle-d'Abeau will have public parking available. For routes in more rural areas, look for designated parking at trailheads or consider parking in nearby village centers, always respecting local regulations and private property.


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