4.3
(4)
34
riders
2
rides
Gravel biking around Issarlès, situated within the Monts d'Ardèche Regional Nature Park, features a distinctive volcanic landscape. The terrain includes ancient volcanic cones (sucs), basalt flows, and dense forests, with significant elevation changes. Notable natural features include Lac d'Issarlès, a deep maar crater lake, and Mont Gerbier de Jonc, the source of the Loire River. This region offers varied unpaved paths and quiet country roads suitable for no traffic gravel bike trails.
Last updated: June 28, 2026
17
riders
118km
09:18
2,210m
2,210m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
3
riders
39.4km
03:18
870m
880m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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1
riders
31.0km
02:16
520m
510m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Issarlès
Etymology: comes from Mas d’Adam, the name of the old estate that was located on the site of the current village, which was ceded by the lord of Géorant to the bishop of Viviers to allow him to found the abbey of Mazan. It all begins with the foundation of the Cistercian abbey in the heart of the village. This takes place between 1119 and 1122. At the beginning of the 12th century, canons came to settle on the site of Mas d’Adam (a toponym that would evolve into MAZAN), and were joined by monks from the abbey of Bonnevaux. These religious men built a huge abbey, of which only the remains exist today, which experienced a period of apogee that lasted until the Hundred Years' War. It gave birth to four other abbeys which are Bonneval, Sénanque, Sylvanès and le Thoronet as well as establishments for nuns. After this prosperous period, misfortunes followed one another at the abbey of Mazan: it was plundered by the great companies of the Hundred Years' War, then attacked by the Huguenots in the modern period. Before this last looting, the monks, according to legend, would have melted a golden bell with all their treasures, which they would have buried somewhere, facing and opposite the bull's-eye window, within earshot of the rooster's crow. montagnedardeche.com/patrimoine-culturel/village-de-mazan-labbaye-2387
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Etymology: comes from Mas d’Adam, name of the old domain which was located at the site of the current village which was ceded by the lord of Géorant to the bishop of Viviers to allow him to found the abbey of Mazan. It all begins with the foundation of the Cistercian abbey in the heart of the village. This takes place between 1119 and 1122. At the beginning of the 12th century, canons came to settle on the site of Mas d’Adam (toponym that would evolve towards MAZAN), and were joined by monks from the abbey of Bonnevaux. These religious men built an immense abbey, of which only the remains are left today, which experienced a period of apogee that lasted until the Hundred Years' War. It gave birth to four other abbeys which are Bonneval, Sénanque, Sylvanès and le Thoronet as well as establishments of nuns. After this prosperous period, misfortunes followed one another at the abbey of Mazan: it was plundered by the great companies of the Hundred Years' War, then attacked by the Huguenots in the modern period. Before this last pillage, the monks, according to legend, would have melted a golden bell with all their treasures, which they would have buried somewhere, opposite and in front of the bull's eye, within earshot of the cock's crow. https://www.montagnedardeche.com/patrimoine-culturel/village-de-mazan-labbaye-2387/
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These ruins once housed the Choisinets castle and orphanage. The construction of this unusual building spanned the entire second millennium. The ruins of two towers dating from the 12th and 17th centuries are still in good condition, testifying to the various architectural influences.
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Market on Tuesdays (summer) and Saturdays
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There we found the Meteil bread seller (a mixture of rye and sourdough) from the previous day's market in Costaros, under the market hall. Producers of fruit and vegetables, cheeses, and charcuterie. Everything for an ideal picnic.
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Must have been a monastery or something similar. Unfortunately the entrance is blocked 🤷🏻♂️👍🙂
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Cemetery of St-Cirgue-en-Montage. Outside, to the left of the entrance.
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The region around Issarlès offers a challenging and varied terrain, characterized by its unique volcanic landscapes. You'll encounter quiet country roads, unpaved paths, and forested sections, often with significant elevation changes. Expect to navigate around ancient volcanic formations like 'sucs' and basalt flows. The routes listed in this guide are generally considered difficult, suitable for experienced gravel bikers looking for a physical challenge.
Absolutely. The trails often pass by or offer views of significant natural landmarks. A prominent feature is Lac d’Issarlès itself, a unique maar crater lake. You might also encounter the iconic Mount Gerbier de Jonc, known as the source of the Loire River, which offers panoramic views. Other volcanic peaks like Suc de la Lauzière and Suc de Cherchemuse are also part of the stunning landscape.
While the focus of this guide is on no-traffic routes, the best time to enjoy the region's gravel biking is typically from late spring to early autumn (May to October). During these months, the weather is generally more favorable, and the natural beauty of the Monts d'Ardèche Regional Nature Park is at its peak. Visiting outside of peak summer holidays might offer an even quieter experience on the roads leading to the trailheads.
Yes, for those looking for a substantial circular challenge, consider the Lake Naussac – Lake Naussac loop from Le Lac-d'Issarlès. This demanding route covers over 118 km with significant elevation gain, offering a full day or even multi-day adventure through varied landscapes.
Certainly. A great option for a challenging day ride is the Lac d’Issarlès – Bridge over the Loire loop from Le Lac-d'Issarlès. This route spans nearly 40 km and includes substantial elevation, providing a rewarding experience with stunning views of the lake and surrounding areas.
The gravel trails around Issarlès feature a mix of surfaces. You can expect quiet country roads, unpaved paths, and sections through forests. Given the volcanic geology of the area, some paths may include basalt flows or rocky sections, requiring a gravel bike with good tire clearance and suspension for comfort. Significant elevation changes are common, so be prepared for both climbs and descents.
Many routes in the Issarlès area, including those suitable for gravel bikes, traverse the unique volcanic 'sucs' (cones) and basalt flows. While not explicitly named for these features, the challenging terrain and elevation changes on routes like the Lac d’Issarlès – Bridge over the Loire loop will immerse you in this distinctive geological landscape.
The area is highly rated by the komoot community, with an average score of 4.3 stars. Reviewers often praise the stunning volcanic landscapes, the challenging climbs and descents, and the sense of solitude found on these quiet, traffic-free routes. The diverse terrain, from dense forests to open vistas, is frequently highlighted as a major draw.
Yes, for a route that combines natural beauty with a touch of history, consider the Mazan Abbey – Mazan-l'Abbaye loop from Saint-Cirgues-en-Montagne. This trail, while starting from a nearby village, takes you through picturesque landscapes and towards the historic Mazan Abbey, offering a different perspective on the region's heritage.
Absolutely. The stunning Lac d’Issarlès is a central feature of the region and offers opportunities for swimming (supervised in summer), pedal boating, canoeing, and paddleboarding. Many gravel routes pass close to the lake, making it an ideal spot to cool off and relax after a ride.
Accessing the more remote, no-traffic gravel trails around Issarlès primarily relies on personal transport. While some regional bus services might connect larger towns, direct public transport links to specific trailheads are limited. Planning your journey with a car or considering bike-friendly taxi services might be necessary to reach the starting points of these secluded routes.


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