4.4
(402)
2,085
riders
125
rides
Mountain biking around Retenue du Dorlay offers diverse landscapes within the Parc Naturel Régional du Pilat. The region features the Dorlay river with historical water management structures, and varied terrain from river valleys to higher elevations. Prominent peaks like the Crêt de la Perdrix provide expansive views, with the Pilat's gneiss and granite formations reaching up to 1,364 meters. This area provides a network of trails suitable for exploring its natural and historical features on two wheels.
Last updated: July 1, 2026
5.0
(3)
21
riders
26.7km
03:02
980m
980m
Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.
4.0
(2)
25
riders
24.1km
02:50
1,020m
1,030m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

Sign up for free
3.0
(2)
12
riders
42.3km
04:39
1,450m
1,450m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.
4.5
(2)
7
riders
14.2km
01:26
420m
420m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
4.2
(6)
48
riders
30.4km
03:24
1,160m
1,150m
Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.
Get access to more routes and recommendations from other explorers.
Sign up for free
Already have an account?
Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.
Start today with a free account
Your next adventure awaits.
Login or Signup
Arrival at 1361m!: wind 😉
0
0
The water in the fountain is super fresh, very beautiful view and good refuge
0
0
Official pass referenced, possibility of continuing to the Col de l'Oeillon.
0
0
Make the effort to climb to the Crêt de Botte: a little less than 800 m at 8-12%, offering a superb view towards the Crêt de l'Oeillon.
0
0
On the Crêt de l'Oeillon, at 1361 m altitude. Take the time to go around to reach the viewpoint towards the East, over the Rhône valley and the Alps.
0
0
Good place for a coffee break and refilling cans.
0
0
There are over 100 mountain bike trails around Retenue du Dorlay, offering a wide range of options for different skill levels. You'll find approximately 8 easy routes, around 68 moderate routes, and over 40 challenging trails to explore.
The terrain around Retenue du Dorlay is quite varied, ranging from river valleys along the Dorlay river, which features historical water management structures, to higher elevations within the Parc Naturel Régional du Pilat. You'll encounter gneiss and granite formations, and some paths, especially leading to viewpoints like the Crêt de la Perdrix, can be stony.
Yes, there are several easy mountain bike trails around Retenue du Dorlay. While specific family-friendly routes aren't detailed, the region offers approximately 8 easy routes that are generally suitable for less experienced riders or those looking for a more relaxed outing. These routes typically feature less elevation gain and smoother paths.
Yes, many of the mountain bike routes around Retenue du Dorlay are designed as loops. For example, the Croix du Collet loop from Doizieux is a moderate 14.2 km circular path, and the challenging La Jasserie Refuge loop from La Terrasse-sur-Dorlay covers 26.7 km.
For experienced mountain bikers, there are several challenging routes with significant elevation gain. A notable one is the La Jasserie Refuge – Col de l'Œillon (1233 m) loop from La Terrasse-sur-Dorlay, which is 42.3 km long with over 1450 meters of ascent. Another demanding option is the Col de l'Œillon (1233 m) – Crêt de l'Œillon loop from Doizieux, covering 30.5 km with over 1160 meters of climbing.
The best time to go mountain biking in Retenue du Dorlay is generally from spring through autumn. During these seasons, the weather is typically more favorable, and the trails are in good condition. Summer offers longer daylight hours, while spring and autumn provide pleasant temperatures and beautiful scenery, especially with changing foliage.
While specific regulations for dogs on every trail are not universally posted, the Parc Naturel Régional du Pilat generally welcomes dogs, often requiring them to be kept on a leash to protect wildlife and ensure the safety of other trail users. It's always advisable to check local signage or park guidelines for any specific restrictions on individual routes.
Absolutely. The region offers breathtaking views from prominent peaks. The Crêt de la Perdrix provides a magnificent 360-degree panorama. Another remarkable summit in the Pilat, reaching 1,364 meters, offers expansive views of the Pic des Trois Dents and the Rhône Valley. On clear days, you might even see the Monts du Vercors, the Écrins, and the Mont Blanc mountain range. The area also features beautiful waterfalls and tranquil streams.
Yes, parking is generally available at common starting points for trails, such as in towns like La Terrasse-sur-Dorlay and Doizieux. These villages serve as convenient access points to the network of mountain bike routes around Retenue du Dorlay.
The mountain bike trails around Retenue du Dorlay are highly rated by the komoot community, with an average score of 4.3 stars from over 395 reviews. Mountain bikers often praise the diverse landscapes, the challenging climbs, and the rewarding panoramic views from the higher elevations of the Pilat.
Access to the mountain bike trails around Retenue du Dorlay via public transport can be limited, as is common in many natural park areas. While some local bus services might connect to nearby villages like La Terrasse-sur-Dorlay or Doizieux, direct access to trailheads often requires personal transport. It's recommended to check local bus schedules for specific routes and timings if planning to use public transport.


Browse the best MTB trails in other regions.