4.1
(17)
107
riders
8
rides
Gravel biking around Suzan offers a diverse network of trails, primarily featuring greenways and former railway lines. The terrain includes varied surfaces suitable for gravel bikes, often traversing through valleys and alongside rivers. Routes frequently incorporate historical elements such as tunnels and viaducts, providing a unique riding experience. The area's landscape is characterized by its accessible paths, making it suitable for different skill levels.
Last updated: July 5, 2026
4.9
(11)
67
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.7
(3)
14
riders
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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4.0
(2)
10
riders
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
3.0
(1)
5
riders
32.1km
01:44
230m
230m
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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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!
1
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A very beautiful viaduct, it's a bit impressive and truly unusual on a greenway. The train used to go there, now the bikes go there!
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There are over 10 gravel bike routes documented on komoot for the Suzan area, offering a variety of experiences for different skill levels.
The gravel bike trails in Suzan primarily feature greenways and former railway lines, offering varied surfaces from smooth gravel to more technical sections. You'll often find yourself traversing through valleys, alongside rivers, and encountering historical elements like tunnels and viaducts.
While many routes offer accessible paths, some sections can be challenging. For a moderate option that's popular, consider the Foix – Vernajoul Viaduct Greenway loop from Saint-Martin-de-Caralp, which is 20.7 miles (33.3 km) long and leads through scenic greenway sections.
Many routes in Suzan are highly scenic, often following river valleys and old railway lines. The The tunnels of Véloroute 81 – Foix–Saint-Girons Greenway loop from Castelnau-Durban is particularly noted for its historic greenway, tunnels, and bridges, offering picturesque views throughout its 50.1 miles (80.7 km).
Yes, many of the gravel bike routes in Suzan are designed as loops. For example, the popular Old metal bridge – Vernajoul Viaduct Greenway loop from Sentenac-de-Sérou offers a challenging 34.7 miles (55.9 km) circular path with scenic greenway sections.
The routes in Suzan are highly rated by the komoot community, with an average score of 4.6 stars from over 18 reviews. Riders often praise the unique experience of cycling along historic greenways, through tunnels, and past old viaducts, highlighting the diverse and engaging terrain.
The Suzan area is rich in natural and historical points of interest. Along your rides, you might encounter highlights such as the Foix–Saint-Girons Greenway itself, the historic V81 Greenway Tunnels, or even the impressive Grotte du Mas-d'Azil. Some trails also offer views of natural monuments like Lac de Mondély.
Absolutely. Suzan offers several difficult routes for experienced gravel bikers. The Old metal bridge – Vernajoul Viaduct Greenway loop from Sentenac-de-Sérou is a challenging 34.7 miles (55.9 km) path with significant elevation changes, perfect for those seeking a demanding ride.
While specific seasonal details vary, the region's diverse landscapes, including forests and river valleys, suggest pleasant riding conditions during spring and autumn. These seasons typically offer milder temperatures and vibrant scenery, making them ideal for exploring the greenways and trails.
Yes, the Suzan area is known for its routes that follow former railway lines, which means you'll frequently encounter historical tunnels and viaducts. The The tunnels of Véloroute 81 – Old Rimont Station loop from Castelnau-Durban is a great example, offering a 32.4 miles (32.4 km) ride through such features.
Yes, there are several moderate options. The Old metal bridge – Greenway of Montels loop from Castelnau-Durban is a moderate 32.1 miles (32.1 km) route that offers a balanced challenge without being overly strenuous, perfect for a solid day out.


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