4.8
(14)
150
riders
11
rides
Gravel biking around Cazaux offers routes through the varied landscapes of the Ariège department, characterized by river valleys, greenways, and the foothills of the Pyrenees. The terrain includes both paved and unpaved sections, with notable features like viaducts and tunnels along former railway lines. Riders can expect a mix of moderate climbs and flatter sections, providing diverse experiences for gravel cyclists.
Last updated: July 2, 2026
4.9
(7)
70
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.7
(3)
32
riders
49.4km
02:39
390m
390m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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4.7
(3)
14
riders
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
11
riders
35.6km
01:54
290m
290m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
3
riders
89.8km
05:56
1,830m
1,830m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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quiet route, rolling towards Foix, steeper towards Saint Martin de Caralp
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Very surprising, quite and beautiful area, didn't see cars in july for maaaany km, just cyclists.
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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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Beautiful little station, testimony to another time!
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Gravel biking around Cazaux, in the Ariège department, offers a diverse mix of terrain. You'll encounter both paved and unpaved sections, often following former railway lines that feature unique elements like viaducts and tunnels. The routes traverse river valleys and the foothills of the Pyrenees, providing a blend of moderate climbs and flatter sections.
There are 11 gravel bike trails available around Cazaux. These routes cater to various skill levels, with 4 classified as moderate and 7 as difficult, ensuring options for experienced gravel bikers looking for a challenge.
Yes, the routes around Cazaux are rich with interesting features. You can ride along the Vernajoul Viaduct Greenway and the Foix–Saint-Girons Greenway. A highlight for many are the V81 Greenway Tunnels, which are part of the Foix–Saint-Girons route, offering a unique riding experience. The area also features the scenic Péguère Pass.
The gravel trails in Cazaux are highly regarded by the komoot community, holding an impressive average rating of 4.8 stars from over 20 reviews. Riders frequently praise the unique experience of cycling through old railway tunnels and over viaducts, as well as the beautiful scenery of the river valleys and Pyrenean foothills.
Yes, many of the gravel routes in Cazaux are designed as loops. For example, you can explore the The tunnels of Véloroute 81 – Foix–Saint-Girons Greenway loop from Saint-Jean-de-Verges, or the Old metal bridge – Vernajoul Viaduct Greenway loop from Varilhes, both offering engaging circular journeys.
Many routes start from locations with available parking. For instance, there is a dedicated Greenway departure parking lot that serves as a convenient starting point for several trails.
Given the region's climate and the nature of the trails, spring and autumn are generally ideal for gravel biking in Cazaux. The weather is typically milder, and the natural scenery is particularly vibrant. Summer can also be pleasant, especially in the shaded greenway sections, but be prepared for warmer temperatures.
Absolutely. Cazaux offers several challenging routes for experienced gravel bikers. Out of the 11 available trails, 7 are rated as difficult. A prime example is The tunnels of Véloroute 81 – Foix–Saint-Girons Greenway loop from Saint-Jean-de-Verges, which is a demanding 51.8-mile (83.4 km) route with significant elevation gain.
Yes, there are several moderate options available. For example, the Foix – Vernajoul Viaduct Greenway loop from Saint-Martin-de-Caralp is a moderate 20.7-mile (33.3 km) trail that takes you through river valleys and greenway sections, offering a rewarding ride without extreme difficulty.
The gravel trails around Cazaux offer picturesque scenery, primarily featuring lush river valleys and the rolling foothills of the Pyrenees. You'll also experience the unique charm of riding along historic greenways, passing through old railway tunnels and over impressive viaducts, all set against a backdrop of natural beauty.
While specific combinations aren't detailed, the network of greenways and trails in the Ariège department often allows for customization. Many routes share sections or start points, making it feasible to link them for a longer, more personalized gravel biking adventure, depending on your fitness and time.


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