4.0
(25)
212
riders
33
rides
Mountain biking around Cazaux is characterized by its location within the expansive Landes forest, offering numerous trails through pine and oak woodlands. The region features the large freshwater Lac de Cazaux et de Sanguinet, with routes often winding along its wooded banks. The terrain primarily consists of natural paths suitable for cross-country riding, with minimal significant elevation changes. This landscape provides a mix of flat sections and gentle undulations, ideal for varied mountain biking experiences.
Last updated: July 4, 2026
3.7
(3)
8
riders
42.7km
02:52
650m
650m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
19
riders
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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4
riders
24.9km
02:04
490m
490m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
4.0
(1)
7
riders
29.3km
01:41
260m
260m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
5.0
(1)
10
riders
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
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Saint-Girons is a charming small town at the foot of the Pyrenees in the Ariège department in southern France. It is considered the gateway to the wild and authentic landscapes of Couserans. The town is particularly known for its lively weekly market, its cozy alleys, and its relaxed atmosphere. Hikers and nature lovers appreciate Saint-Girons as an ideal starting point for tours in the surrounding mountains. The mix of French flair, history, and nature makes the town a worthwhile destination.
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On its rocky peak, the castle of Foix and its imposing stature, dominate the medieval town. With a strategic position at the confluence of the Arget and Ariège rivers, the Ariège castle had a strategic role: to control access to the Haute Ariège valley, to monitor the low country and to protect the counts behind its high impregnable walls. It is the symbol of the power of a fiercely independent county engaged in the defense of the Cathar cause. Resisting many assaults, the castle of Foix was never conquered. During the Catholic Church's crusade against Cathar heresy, the counts of Foix, souls of the Occitan resistance, welcomed and protected the persecuted by refusing to submit to the authority of the King of France. It is the cradle of the famous counts of Foix: Gaston Fébus (1331-1391) and Henry III, King of Navarre, future King of France Henry IV.
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quiet route, rolling towards Foix, steeper towards Saint Martin de Caralp
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A steep path leads up to the multi-towered castle, which originally dates back to the 10th century.
2
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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 30 mountain bike trails around Cazaux, offering a diverse range of experiences. You'll find 5 easy routes, 23 moderate routes, and 5 difficult routes to explore.
Mountain biking in Cazaux primarily features natural paths through extensive pine and oak woodlands of the Landes forest. The terrain is generally characterized by minimal significant elevation changes, offering a mix of flat sections and gentle undulations, ideal for cross-country riding. Many routes also wind along the wooded banks of the Étang de Cazaux-Sanguinet.
Yes, Cazaux offers several easy mountain bike trails. An excellent option is the Viaduct with Scenic View – Vernajoul Viaduct Greenway loop from Saint-Jean-de-Verges, which is 16.9 km long. Another accessible route is the View of Château de Foix – View of the Château de Foix loop from Crampagna, covering 29.6 km.
The region is rich in natural beauty and interesting features. Many routes offer views of the large freshwater Étang de Cazaux-Sanguinet. You can also encounter historical infrastructure like the Vernajoul Viaduct Greenway and the V81 Greenway Tunnels. Some trails, like the Vernajoul Viaduct Greenway – Foix Castle loop, even offer views of the historic Foix Castle.
Yes, many of the mountain bike routes in Cazaux are designed as loops. For example, the Lac de Mondély – The widowed station lady loop from La Bastide-de-Sérou is a popular circular trail. Another option is the Old metal bridge – The tunnels of Véloroute 81 loop from La Bastide-de-Sérou.
The mountain bike trails around Cazaux are highly rated by the komoot community, with an average score of 4.1 stars from over 20 reviews. Riders often praise the quiet woodlands, the scenic paths along the Lac de Cazaux et de Sanguinet, and the varied terrain suitable for different skill levels.
Absolutely. The Étang de Cazaux-Sanguinet is a central feature of the region, and many mountain bike routes wind along its wooded banks. The Lac de Mondély – The widowed station lady loop from La Bastide-de-Sérou is a specific example that leads past Lac de Mondély.
The region's climate generally allows for mountain biking throughout much of the year. However, spring and autumn offer particularly pleasant conditions with milder temperatures and vibrant natural scenery. Summers can be warm, making early mornings or late afternoons ideal for rides. The extensive forest cover also provides shade on hotter days.
While the terrain is generally characterized by gentle undulations, there are 5 routes classified as difficult for those seeking more of a challenge. These trails might include more technical sections or steeper, though short, climbs, requiring good fitness and advanced skills.
The entire region of Cazaux is defined by the extensive Landes forest, so nearly all mountain bike trails will immerse you in this environment. Routes like the Lac de Mondély – The widowed station lady loop from La Bastide-de-Sérou offer varied forest terrain, showcasing the pine and oak woodlands characteristic of the area.


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