4.2
(34)
259
riders
38
rides
Gravel biking around Trept offers a network of routes traversing varied terrain. The region features a mix of rural paths, greenways, and routes connecting to medieval towns. Elevations are generally moderate, with some longer routes including more significant climbs. The landscape combines open countryside with areas around historical sites and local water features.
Last updated: October 6, 2026
4.5
(4)
69
riders
76.7km
04:12
460m
460m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.3
(3)
36
riders
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

4.5
(2)
29
riders
39.2km
01:59
200m
200m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
9
riders
33.0km
02:52
600m
600m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
9
riders
51.4km
04:28
930m
930m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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The Voie verte des Balcons du Dauphiné is a 18-kilometer-long secure cycle and pedestrian path, built on the route of the former Est Lyonnais railway line. It connects the medieval town of Crémieu to the municipality of Arandon-Passins, where it connects directly to the ViaRhôna.
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The commune of Vertrieu, located in the department of Isère within the Balcons du Dauphiné, has the unique particularity of housing two major historical buildings: the Château Vieux (or Maison-Forte) and the Château Neuf (or Château Moderne).
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This rural village, bordered by the Rhône and the spectacular cliffs of Isle Crémieu, has just over 1,200 inhabitants (the Hiérois) and is part of the Balcons du Dauphiné community of municipalities.
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Very beautiful village with character, entirely made of stone; from the village, you can see the Madonna of the Larina Archaeological site.
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Beautiful cycle path, mostly shaded, unpaved but rideable (I ride it with 23mm tires), which follows the old line of the Chemin de Fer de l'Est Lyonnais (CFEL)
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cycle path very busy in good weather
1
0
Beautiful little town, quite touristy, but worth the detour
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Meh, just good for walking around, no difficulty
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0
There are over 30 gravel bike trails around Trept, offering a variety of options for different skill levels and preferences. The komoot community has explored these routes over 200 times.
The gravel biking trails around Trept are predominantly moderate in difficulty, with 26 moderate routes. There is also one easy route and six more challenging options for experienced riders.
Yes, for those seeking a longer ride, the Étang Bénétan – Crémieu, medieval town loop from Crémieu is a challenging route spanning over 104 kilometers (65 miles).
You can expect a diverse landscape featuring a mix of rural paths, greenways, and routes that connect to historical medieval towns. The terrain includes open countryside and areas around local water features, with generally moderate elevations.
While most routes are moderate, there is at least one easy gravel bike route available, which could be suitable for families or beginners. These routes often utilize greenways, providing a smoother experience.
Many routes pass by significant historical sites. You can explore the charming Crémieu, medieval town, or discover the Château Delphinal of Crémieu. The Château Delphinal of Crémieu – Crémieu, medieval town loop from Optevoz specifically highlights this area.
Yes, the region offers scenic views of open countryside and local water features. For example, you might encounter the peaceful Étang de la Rosière, a beautiful lake that provides a pleasant stop along some routes.
The komoot community highly rates the gravel biking experience in Trept, with an average score of 4.1 stars from over 20 reviews. Riders often praise the varied terrain, the combination of rural paths with historical towns, and the well-maintained greenways.
Many of the gravel bike routes in Trept are designed as loops, allowing you to start and finish in the same location. Examples include the Crémieu–Morestel Greenway – Troglodyte in Cremieu. loop from Saint-Romain-de-Jalionas and the Chemin gravel – Troglodyte in Cremieu. loop from Dizimieu.
For an immersive experience through a medieval town, consider the Château Delphinal of Crémieu – Crémieu, medieval town loop from Optevoz. This moderate 52.8 km (32.8 miles) route specifically explores the area around Crémieu and its château.
Yes, greenways are a defining feature of gravel biking in Trept. The Crémieu–Morestel Greenway – Troglodyte in Cremieu. loop from Saint-Romain-de-Jalionas is a popular 48.2 km (29.9 miles) trail that extensively uses a greenway, offering a smooth and scenic ride.


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