5.0
(5)
69
riders
7
rides
Gravel biking around Robiac-Rochessadoule offers a diverse landscape characterized by significant elevation changes and historical landmarks. The region features routes that traverse river valleys, utilize former railway lines like the Via Ardèche, and pass by notable structures such as Portes Castle. Terrain often includes a mix of unpaved roads, forest tracks, and sections with tunnels, providing varied surfaces for gravel cyclists. Situated at the eastern edge of the Cévennes, the area provides mountainous views and challenging ascents.
Last updated: May 4, 2026
23
riders
130km
10:03
2,070m
2,070m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
11
riders
63.3km
04:42
980m
980m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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5.0
(5)
26
riders
47.4km
02:34
360m
360m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
8
riders
49.5km
04:20
1,140m
1,140m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
2
riders
54.7km
03:55
800m
800m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Nice 2.5 km climb from Le Martinet. At the top, the pass is the confluence of several forest tracks that allow you to explore the surrounding mountains, one of which, the Chemin de Trélis, allows you to reach Rochessadoule.
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Despite its current state, which is essentially in ruins, the castle (or more accurately, Castrum) of Allègre remains impressive and bears witness to nearly 10 centuries of history. It features towers and stately homes, a double rampart, a chapel, and a village. Located at an altitude of 275 meters, overlooking the middle valley of the Cèze, the entire site covers one and a half hectares and offers a sublime panorama of Mont Bouquet and the entire Cévennes (orientation table). Very close to the D37, the tour is best done on foot after leaving your bike in the parking lot.
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A beautiful little pass. Be careful of the heat.
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Bridge over the Ardeche, old bridge pier.
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Ideal for gravel and touring bikes. Very safe, far from the sometimes heavy traffic during peak season. On my mountain bike, I found this cycle highway rather monotonous and boring. It's an ideal connecting road to the trails.
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not as easy as it seems 🦵
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I should have saved myself the detour, then I would have made it to the restaurant.
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The Via Ardeche railway cycle path is a nice idea in itself, but unfortunately, the perfect surface (asphalt) is only present in the tunnel sections. The rest is rough concrete, gravel, and even worse.
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There are over 10 gravel bike trails around Robiac-Rochessadoule, offering a variety of experiences for cyclists. The region is known for its diverse landscape with significant elevation changes and historical landmarks.
While many routes in the area are quite challenging, there is at least one moderate option available. The Gadilhe tunnel – Via Ardèche loop from Gagnières is a moderate 29.1-mile (46.9 km) path with 355 meters of elevation gain, making it a good choice for those looking for a less strenuous ride.
Experienced gravel bikers will find plenty of demanding routes. The Portes Castle – Trélis Pass loop from Portes is a difficult 63.3-mile (101.9 km) trail with nearly 1,000 meters of elevation gain, offering a significant test of endurance.
The terrain around Robiac-Rochessadoule is varied, often featuring a mix of unpaved roads, forest tracks, and sections with tunnels. You'll encounter significant elevation changes as routes traverse river valleys and utilize former railway lines like the Via Ardèche.
Yes, many of the gravel bike routes around Robiac-Rochessadoule are designed as loops. For example, the Portes Castle – Portes Castle loop from Portes is a 30.7-mile (49.5 km) trail that takes you through varied terrain around the historic castle and brings you back to your starting point.
The trails often pass by notable structures and natural features. You can explore historical landmarks like Portes Castle and Montalet Castle. Many routes also utilize the scenic Via Ardèche and pass through interesting features like the Gadilhe tunnel and the Viaduc du Doulovy.
Yes, many of the gravel bike routes start from towns like Saint-Julien-de-Cassagnas, Gagnières, and Portes, where you can typically find public parking facilities. It's advisable to check specific starting points for detailed parking information.
The region generally offers good conditions for gravel biking from spring through autumn. Summers can be warm, so early mornings or late afternoons are often preferred. Winters can be cooler, but many trails remain accessible, though some higher elevation sections might be affected by weather.
The area is highly rated by the komoot community, with an average score of 4.75 stars. Reviewers often praise the diverse landscape, the blend of historical sites with natural beauty, and the challenging yet rewarding routes that traverse river valleys and old railway lines.
For those seeking a longer adventure, the Portes Castle – Chateau de Portes loop from Saint-Julien-de-Cassagnas is a substantial 65.9-mile (106.0 km) trail with over 1,600 meters of elevation gain, typically taking around 9 hours and 42 minutes to complete.
Absolutely. The region is rich in history, and many routes are designed to pass by significant landmarks. For instance, the trails frequently lead you past Portes Castle and utilize sections of the Via Ardèche, which is built on a former railway line, offering a unique blend of heritage and outdoor activity.


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