4.2
(17)
150
riders
9
rides
Gravel biking around Larbont offers diverse terrain within the Ariège department of France's Occitanie region. The area is characterized by its varied topography, ranging from extensive greenways and quiet back roads to challenging mountain passes within the Regional Natural Park of the Ariège Pyrenees. Cyclists can navigate through forests, along rivers, and across valleys, with elevation changes suitable for different skill levels. The landscape includes former railway lines converted into traffic-free routes, providing smooth surfaces for gravel bikes.
Last updated: July 6, 2026
4.9
(11)
67
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(3)
35
riders
142km
07:29
1,050m
1,050m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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16
riders
55.2km
03:00
460m
460m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.0
(2)
10
riders
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
2
riders
64.2km
04:48
1,510m
1,510m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Larbont
I climbed it from its easier side, the one that starts from Foix and stretches for 28 kms, crossing the Col de Marrous. It's a steady climb, with a few tough kilometers, and very pleasant. It's the side used by the Tour de France to descend it. The best thing about the Mur de Peguère are the views from its summit.
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I can only speak about my experience descending it from the south side, the one that starts in the village of Biert. It's simply a great pass, with a very tough final section, very similar to its close brother Mur de Peguère. With hardly any traffic, it has the appeal that the road is very narrow and very winding, which helps mentally.
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Be careful, since yesterday, June 19th, the descent to Rivèrenert has been freshly graveled and dangerous. I had a rear puncture due to small, sharp gravel sticking to the tire when braking. So, don't go crazy on this descent, friends.
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Because around 12pm and >31°C, the climb from Biert is mostly in the shade, and this pass generally ends a series of small linked passes (like Portech, Catchaudégué or La Core, Saraillé, etc.). And the challenge of the last 3 km is worth experiencing to strengthen your mental strength. Get to your pedals
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Old little station that reminds us of another time!
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This is the longest tunnel on the greenway: it's super fun to go through. Be careful: it's a bit chilly!
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There are 5 dedicated no traffic gravel bike trails detailed in this guide, ranging from moderate to difficult. These routes offer diverse experiences, from greenways to challenging mountain passes, all designed to keep you away from vehicle traffic.
The Ariège Pyrenees region is generally pleasant for gravel biking from spring through autumn. Spring offers lush greenery and blooming landscapes, while autumn provides vibrant colors. Summer can be warm, but higher elevation routes or early morning rides are enjoyable. Winter cycling is possible, especially on lower greenways, but be prepared for colder temperatures and potential snow in higher passes.
The komoot community highly rates the gravel biking experience around Larbont, with an average score of 4.9 stars. Riders frequently praise the extensive network of greenways, like the Véloroute 81, for their traffic-free nature and scenic beauty. The unique tunnels on these routes are often highlighted as a memorable feature, along with the quiet back roads and challenging mountain passes that offer breathtaking views.
Yes, the region's greenways are particularly well-suited for families. The Foix–Saint-Girons Greenway, part of the Véloroute 81, offers a smooth, traffic-free experience, perfect for riders of all ages. Routes like "The tunnels of Véloroute 81 – Old Rimont Station loop from Castelnau-Durban" provide a moderate challenge with engaging features like the illuminated tunnels.
Many of the greenways and quiet gravel paths in the Ariège Pyrenees Regional Natural Park are dog-friendly, provided your dog is well-behaved and kept on a leash, especially in areas with livestock or wildlife. Always ensure you carry water for your pet and respect local regulations regarding dogs in natural areas.
The trails around Larbont offer a rich blend of natural and historical sights. You can cycle through the stunning landscapes of the Ariège Pyrenees Regional Natural Park, discover prehistoric sites like the Grotte du Mas-d'Azil, or pass by charming villages. The Col de la Crouzette (1245 m) offers panoramic views for those tackling more challenging routes.
Parking is available at various access points along the major greenways. For routes starting near Castelnau-Durban, you can often find parking in the village itself, providing convenient access to the Véloroute 81. For trails closer to Foix or Saint-Girons, designated parking areas are usually available near the greenway entrances.
Yes, several routes in this guide are designed as loops, allowing you to start and finish at the same point. For example, "The tunnels of Véloroute 81 – Foix–Saint-Girons Greenway loop from Castelnau-Durban" and "Col de la Crouzette (1245 m) – Old metal bridge loop from Cadarcet" are excellent circular options for exploring the region without retracing your steps.
While many routes in this guide are rated moderate to difficult, the greenways offer the easiest sections. The route "The tunnels of Véloroute 81 – Old Rimont Station loop from Castelnau-Durban" is classified as moderate and provides a good entry point for beginners, covering 32.5 km with manageable elevation gain, primarily on the smooth surfaces of the Véloroute 81.
Absolutely. For experienced gravel bikers seeking a challenge, routes like "Col de la Crouzette (1245 m) – Old metal bridge loop from Cadarcet" offer significant elevation gains (over 1500m) and distances (64 km). These routes venture into the more rugged terrain of the Pyrenees, including mountain passes, providing a demanding yet rewarding experience away from traffic.
Charming villages like La Bastide-de-Sérou, Foix, and Saint-Girons, which are often near or on the greenways, offer various cafes, restaurants, and pubs where you can refuel. Larbont itself is a smaller village, so planning stops in these larger towns is recommended for a wider selection of amenities.
The no traffic gravel trails around Larbont vary. The greenways (Voies Vertes) are generally well-maintained with smooth, compacted surfaces, ideal for gravel bikes. Beyond these, you'll find quiet back roads and forest tracks that can range from well-graded gravel to rougher, more technical sections, especially as you ascend into the mountain passes. Always check recent conditions, especially after heavy rain, as some unpaved sections can become muddy.


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