4.6
(283)
1,261
riders
35
rides
Mountain biking around Trept offers routes through a landscape characterized by rural charm and natural beauty in the Isère department of France. The area features the Espace Naturel Sensible des Communaux, a significant natural space with limestone slabs, berry bushes, and low-growing flora. Paths often traverse varied terrain, including dirt tracks and routes near historical sites like the Poype de Serrières fortified house. This region provides opportunities for exploring both natural features and cultural heritage on two wheels.
Last updated: May 15, 2026
4.5
(6)
43
riders
23.1km
01:22
180m
180m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
5.0
(5)
9
riders
48.1km
03:59
640m
640m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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5.0
(1)
13
riders
23.7km
02:07
350m
350m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
16
riders
27.2km
02:29
480m
480m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
5.0
(1)
8
riders
19.0km
01:37
240m
240m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
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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)
0
0
Beautiful little town, quite touristy, but worth the detour
0
0
Meh, just good for walking around, no difficulty
0
0
There are over 30 mountain bike trails around Trept. The routes cater to various skill levels, with 8 easy trails, 22 moderate trails, and 4 difficult trails, ensuring options for every rider.
Mountain biking in Trept offers a mix of rural charm and natural beauty. You'll encounter varied terrain, including dirt tracks, paths through natural areas like the Espace Naturel Sensible des Communaux with its unique limestone slabs and low-growing flora, and routes near historical sites.
Yes, Trept offers several family-friendly mountain bike trails. For an easy and scenic ride, consider the Crémieu, medieval town – Crémieu loop from Trept, which is 14.4 miles (23.1 km) long and explores the surroundings of a medieval town.
The region is rich in natural and historical sites. You can explore the Espace Naturel Sensible des Communaux, known for its unique landscape and geological formations like the "Pierre du Bon Dieu." Historical landmarks include the Poype de Serrières fortified house and the 19th-century Assumption parish church. You might also encounter the Crémieu, medieval town, or various lakes such as Étang de la Rosière.
Yes, several routes incorporate lakes and water bodies. For instance, the Étang Bénétan – River break loop from Trept is a moderate 29.9 miles (48.1 km) path that offers varied terrain around the Étang Bénétan and along river breaks. Another option is the Dirt path – Étang Bénétan loop from Trept.
The mountain bike routes in Trept are highly rated by the komoot community, with an average score of 4.5 stars from over 270 reviews. Riders often praise the blend of rural paths, unique natural areas, and the opportunity to explore historical landmarks on two wheels.
Yes, many of the mountain bike routes around Trept are circular, allowing you to start and end at the same point. Examples include the Crémieu, medieval town – Crémieu loop from Trept and the Étang Bénétan – River break loop from Trept.
The spring and autumn months are generally ideal for mountain biking in Trept, offering pleasant temperatures and vibrant natural scenery. In spring, the Espace Naturel Sensible des Communaux is particularly lively with wildflowers, including the rare red pasque flower. While possible, winter riding might be affected by colder temperatures and potentially wet conditions.
Yes, Trept offers 4 difficult mountain bike trails for experienced riders looking for a challenge. These routes typically feature more significant elevation changes and technical sections. For example, the TECHNICAL DESCENT – Col du Croupion loop from Le Rivard offers a more demanding experience with notable descents.
While Trept is a rural commune, public transport options to the immediate trailheads might be limited. It's advisable to check local bus schedules for connections to Trept from larger towns in the Isère department. Many visitors find it more convenient to arrive by car, especially when transporting mountain bikes.
Parking is generally available in the village center of Trept. For specific trailheads, it's recommended to check the individual route details on komoot, as many tours start from accessible points with designated or informal parking areas nearby.
Generally, dogs are welcome on trails in natural areas around Trept, especially if kept on a leash to protect local wildlife and ensure the safety of other trail users. Always be mindful of local regulations, particularly within sensitive natural areas like the Espace Naturel Sensible des Communaux, where specific rules might apply.


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