4.6
(15)
218
riders
34
rides
Gravel biking in Bois Du Four offers a diverse landscape characterized by hilly and varied terrain, providing a mix of rustic roads, rolling paths, and forest tracks. The region features verdant valleys and steep hills, with routes often venturing off paved surfaces onto dirt tracks. This environment is well-suited for gravel bikes, allowing riders to navigate both smoother sections and more rugged terrain. The area is well-regarded for its extensive network of trails suitable for various cycling activities.
Last updated: November 3, 2026
5
riders
48.3km
02:48
450m
440m
Moderate gravel ride. Good fitness required. Mostly paved surfaces.
4
riders
29.8km
02:01
360m
360m
Moderate gravel ride. Good fitness required. Mostly paved surfaces.

4.5
(2)
29
riders
39.2km
01:59
200m
200m
Moderate gravel ride. Good fitness required. Mostly paved surfaces.
5.0
(1)
10
riders
42.1km
02:14
270m
270m
Moderate gravel ride. Good fitness required. Mostly paved surfaces.
4.5
(2)
40
riders
90.6km
05:00
520m
520m
Hard gravel ride. Very good fitness required. Mostly paved surfaces.
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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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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
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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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Very beautiful route with many discoveries
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Bois Du Four offers a good selection of gravel biking routes, with 36 trails available for exploration. These range from moderate to difficult, catering to various skill levels.
The region around Bois Du Four, part of the Aveyron department and the Grands Causses Regional Natural Park, is known for its diverse and hilly terrain. You'll encounter a mix of rustic roads, rolling paths, forest tracks, and even some singletracks. Riders can expect to navigate verdant valleys, steep hills, and expansive limestone plateaus, often venturing off paved surfaces onto more rugged dirt tracks. This varied landscape makes it ideal for gravel bikes.
While many routes in Bois Du Four are moderate to difficult, there is at least one easy gravel bike trail available. For families or beginners, it's recommended to look for routes with lower elevation gain and shorter distances. Always check the route details on komoot for specific difficulty ratings and terrain descriptions before heading out.
For experienced gravel bikers seeking a challenge, Bois Du Four offers 10 difficult routes. These trails typically feature more significant elevation changes and potentially more technical terrain. An example of a longer, more challenging route is the View of Vertrieu castle – View of the Saut du Rhône loop from Bouvesse-Quirieu, which covers nearly 80 km with over 400 meters of ascent.
Yes, many of the gravel bike routes in Bois Du Four are designed as loops, allowing you to start and finish at the same point. Examples include the popular Château Delphinal of Crémieu – Crémieu, medieval town loop from Optevoz and the Chemin gravel – Troglodyte in Cremieu. loop from Dizimieu. These circular routes are convenient for exploration without needing to arrange transportation back to your starting point.
Absolutely. The region is rich in natural beauty. You can expect breathtaking views of the Grands Causses, deep canyons like the Gorges du Tarn and Gorges de l'Aveyron, and panoramic ridges. There are also numerous waterfalls (around 13 in Aveyron) that can be incorporated into routes, offering picturesque stops. The View of the Saut du Rhône – View of Vertrieu castle loop from Bouvesse offers stunning vistas of the Rhône and a historic castle.
Beyond natural wonders, the area boasts significant cultural and historical sites. You can cycle past the iconic Viaduc de Millau, explore historic Cités Templières like La Couvertoirade on the Larzac plateau, or visit picturesque villages such as Peyre. The Château Delphinal of Crémieu – Crémieu, medieval town loop from Optevoz specifically takes you through a medieval town, offering a glimpse into the region's rich past.
The Aveyron region generally offers good conditions for cycling for much of the year. Spring and autumn provide pleasant temperatures and vibrant landscapes, ideal for exploring. Summer can be warm, but higher elevations or routes near water bodies like the Lacs du Lévézou can offer cooler conditions. Winter conditions might include colder temperatures and potential for snow at higher altitudes, so checking local weather forecasts is always advisable.
Many outdoor trails in France, especially in regional natural parks like the Grands Causses, are generally dog-friendly, provided dogs are kept under control, often on a leash, to protect wildlife and respect other users. It's always best to check specific trail regulations or local signage for any restrictions, especially in protected areas or near livestock. Ensure your dog is fit enough for the chosen route and carry enough water for both of you.
While specific parking details for every trailhead are not provided, many routes in the region start from villages or towns that typically offer public parking. For example, routes starting from Optevoz, Bouvesse, or Dizimieu would likely have parking facilities. Public transport options might be limited in more rural areas, so planning your journey with a car is often the most convenient way to access trailheads in Bois Du Four. Always check local transport schedules if relying on public transit.
The gravel biking experience in Bois Du Four is highly regarded by the komoot community, with an average rating of 4.6 stars from over 20 reviews. Riders frequently praise the diverse terrain, the blend of rustic roads and forest tracks, and the opportunity to explore both natural beauty and historical sites. The varied landscape ensures there's something for every gravel biker, from scenic loops to more challenging ascents.
The Aveyron region is dotted with charming villages and towns where you can find cafes, restaurants, and various accommodation options. Places like Crémieu, mentioned in one of the popular routes, offer amenities for visitors. Exploring towns near the Grands Causses or along the Gorges du Tarn and Aveyron will provide opportunities for refreshments and overnight stays, allowing you to extend your gravel biking adventure.


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