3.8
(10)
31
riders
5
rides
Gravel biking around Charantonnay offers diverse terrain within the Isère department. The area features a mix of countryside, valleys, and woodlands, providing varied surfaces for gravel cyclists. Routes often incorporate paths with minimal tarmac, winding through natural landscapes. Elevations can range significantly, with some trails featuring ascents over 690 meters.
Last updated: July 3, 2026
3.7
(3)
6
riders
48.9km
03:13
620m
620m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4
riders
50.4km
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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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.
4.0
(1)
4
riders
34.2km
02:08
320m
320m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4
riders
46.9km
03:00
460m
460m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Small isolated building in the place called Villieu (former islet in the heart of the Bourgoin marshes), consisting of a small nave lit by a bay on each side and extended by an apse with a lower height than the nave. The facade is pierced by an entrance door surmounted by a basket-handle lintel bearing the inscription 1893 / NOTRE DAME DE VILLEU. https://recensement.patrimoine-religieux.fr/eglises_edifices/38-Isere/38415-Saint-Marcel-Bel-Accueil/150630-ChapelledeVillieu
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a pretty chapel
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Lovely view of the pond. A little cool spot when it's hot.
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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 5 gravel bike trails documented around Charantonnay, offering a range of experiences from moderate to difficult. These routes traverse diverse terrain, including woodlands, valleys, and countryside roads with minimal tarmac.
Gravel biking in Charantonnay features a mix of countryside, valleys, and woodlands. You'll find paths with little tarmac, winding through natural landscapes. The terrain includes rolling hills and can present significant elevation changes, with some routes featuring ascents over 370m and even up to 790m.
Yes, for a more accessible option, the Bourbre Greenway – Étang de la Rosière loop from L'Isle-d'Abeau is rated as moderate. This route is 33.6 km long with a more manageable elevation gain of 274m, making it suitable for families or those seeking a less strenuous ride. The Bourbre Greenway itself is known for being a pleasant cycling path.
The region offers stunning natural vistas. On clear days, you might catch panoramic views of Mont Blanc and the Alps, the Massif du Pilat, the Monts du Lyonnais, and Mont Verdun. The peaceful 'étang du By' and meadows with grazing horses add to the idyllic scenery, while the 'Bois du Fromentaux' is known for its autumnal charm.
Yes, you can incorporate historical and cultural points of interest into your rides. Consider visiting the medieval Château de Fallavier, which offers elevated views, or the traditional Bonnevaux Castle within the Bonnevaux Forest. The Château de Septème is another nearby castle worth exploring.
The longest gravel bike route is The open sea – Feyssine Park loop from Saint-Quentin-Fallavier. This challenging trail spans 151.4 km and features a significant elevation gain of over 790m, typically taking around 10 hours to complete.
Yes, all the gravel routes listed for Charantonnay are designed as loops, allowing you to start and finish at the same point. Examples include the challenging View of Vertrieu castle – Ain/Rhône confluence loop from L'Isle-d'Abeau and the moderate Bourbre Greenway – Étang de la Rosière loop from L'Isle-d'Abeau.
The gravel routes in Charantonnay are highly rated by the komoot community, with an average score of 3.85 stars from over 14 reviews. Many of the 90+ visitors praise the varied terrain, the quiet woodlands, and the scenic views that make for a refreshing alternative to road cycling.
Yes, the Moulin de l'Étang de Marsa – Crémieu–Morestel Greenway loop from L'Isle-d'Abeau incorporates sections of the Crémieu–Morestel Greenway. This difficult 49.8 km route also includes substantial climbing, offering a mix of greenway riding and more challenging terrain.
Yes, the Bourbre Greenway – Étang de la Rosière loop from L'Isle-d'Abeau passes by the Étang de la Rosière. Additionally, the Lake Saint-Quentin-Fallavier is a nearby attraction that could be explored in conjunction with some routes.
Several routes offer significant challenges. The The open sea – Feyssine Park loop from Saint-Quentin-Fallavier is particularly demanding, covering 151.4 km with an elevation gain of over 790m. Another difficult option is the Three Waters Pond – Four Winds Pavilion loop from L'Isle-d'Abeau, which is shorter at 34.8 km but still features over 530m of climbing.


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