4.9
(11)
87
riders
5
rides
Gravel biking around Chambon offers exploration through a landscape shaped by volcanic origins, featuring varied terrain within the Massif du Sancy. The region is characterized by its volcanic formations, subalpine meadows, and dense forest paths, providing a dynamic environment for cycling. Lake Chambon, a central volcanic dam lake, is surrounded by lush greenery and serves as a focal point for many routes. These no traffic gravel bike trails often combine challenging mountain passes with dirt roads, catering to riders seeking significant elevation changes and panoramic vistas.
Last updated: July 6, 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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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.
4
riders
130km
10:33
2,510m
2,510m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
5
riders
38.4km
03:00
930m
930m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Chambon
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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Just outside Bonnevaux, there is a sign on a path to the right "Glacier" to follow for the best ice cream with a view of the whole region!
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not as easy as it seems 🦵
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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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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. It's pleasantly cool in the tunnel.
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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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The Chambon region offers a selection of challenging traffic-free gravel bike routes. This guide features three distinct tours, all rated as difficult, providing significant elevation changes and rewarding experiences for experienced riders.
You can expect diverse terrain shaped by the region's volcanic origins. Trails often combine forest paths, dirt roads, and subalpine meadows, with challenging mountain passes and elevated sections. The routes are designed to offer a true gravel biking experience through the Massif du Sancy's rugged beauty.
Yes, for those seeking a longer adventure, the Gadilhe tunnel – Viaduc du Doulovy loop from Grand-Combe-la-Pise is a substantial route covering approximately 123 km with over 2200 meters of elevation gain. It's a demanding ride suitable for advanced gravel bikers.
Many routes offer glimpses of the region's rich history and natural beauty. For instance, the routes around Portes feature the impressive Portes Castle. You might also encounter engineering marvels like the Gadilhe tunnel and the Viaduc du Doulovy on some of the longer tours.
The volcanic landscapes of Chambon offer numerous opportunities for panoramic views. While specific viewpoints vary by route, you can expect stunning vistas of the Massif du Sancy and surrounding valleys. Highlights like Le Montadou and the View of the Cévennes Mountains are nearby and offer exceptional perspectives of the region.
The traffic-free gravel bike trails highlighted in this guide are all rated as difficult. They involve significant elevation changes and require good fitness and advanced riding skills, making them ideal for experienced gravel bikers looking for a challenge.
The komoot community highly rates the gravel biking experience in Chambon, with an average score of 5.0 stars. Reviewers often praise the challenging terrain, the stunning volcanic landscapes, and the quiet, immersive nature of the traffic-free paths that allow for deep exploration of the Auvergne region.
Yes, several routes are designed as loops, allowing you to start and finish at the same point. Examples include the Portes Castle – Trélis Pass loop from Portes and the Portes Castle – Portes Castle loop from Portes, both offering extensive rides through the varied landscape.
Beyond the prominent Portes Castle, the region is dotted with historical points of interest. You might discover remnants of past eras, such as the Ancient Village of Gourdouze, offering a glimpse into the local heritage amidst your ride.
The volcanic landscape of Chambon is rich in natural wonders. While riding, you might be close to features like the Moulin de Roure Stone Bridge and River, or even geological formations such as the Grotte de la Cocalière, showcasing the region's unique natural heritage.
The Auvergne region, including Chambon, is beautiful throughout the warmer months. Spring and autumn generally offer pleasant temperatures and vibrant scenery, ideal for gravel biking. Summer can also be excellent, though it's wise to start earlier in the day to avoid the midday heat on longer, exposed sections.


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