4.9
(69)
2,435
riders
8
rides
No traffic road cycling routes around Aleu traverse a landscape characterized by rugged topography and dense woodlands within the Ariège department of Occitanie, France. The region features varying elevations, offering both challenging climbs and descents for road cyclists. Situated near the Parc naturel régional des Pyrénées Ariégeoises, the area provides diverse ecosystems, from forested valleys to higher mountain passes, with streams like the Ruisseau d'Aleu adding to the natural setting. This environment is conducive to scenic road cycling, with potential…
Last updated: July 6, 2026
4.0
(3)
23
riders
79.3km
04:52
2,140m
2,140m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.
5.0
(1)
27
riders
32.3km
01:24
300m
300m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.

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5.0
(1)
14
riders
21.7km
01:06
340m
340m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
5.0
(1)
10
riders
17.8km
01:06
410m
410m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.
5.0
(1)
9
riders
24.7km
01:22
530m
530m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
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Popular around Aleu
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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The road is a bit chilly in winter, near the start of the climb to Cachaudegé and the Portech pass.
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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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Beautiful place in the Pyrenees surrounded by mountains with a thermal bath from 1822. The Marathon des Oussailles starts here.
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There are 7 dedicated no traffic road cycling routes around Aleu. These routes range from moderate to difficult, offering varied experiences for cyclists.
While Aleu's terrain is generally rugged, the routes listed are primarily moderate to difficult. For a moderate option that could be suitable for those looking for a less strenuous ride, consider the Panoramic view from Cominac – Mountain views loop from Seix, which covers 21.6 km with 345 meters of elevation gain.
The routes around Aleu offer stunning natural beauty. You'll cycle through rugged terrain and dense woodlands, often within or near the Parc naturel régional des Pyrénées Ariégeoises. Expect picturesque valleys, views of the Mont Valier mountain chain, and the sounds of streams like the Ruisseau d'Aleu.
Yes, the Trail to the Ars Waterfalls loop from Oust is a moderate 32.9 km route that will take you past the impressive Ars Waterfalls, a notable natural feature in the area.
For experienced cyclists seeking a significant challenge, the Col de Péguère – Col de la Crouzette (1245 m) loop from Lacourt is a difficult route spanning over 79 km with more than 2,100 meters of elevation gain, including ascents to high mountain passes.
Yes, many of the no traffic road cycling routes around Aleu are designed as loops. Examples include the Panoramic view from Cominac – Mountain views loop from Seix and the Col de Saraillé – Biert Village loop from Biert, allowing you to start and end at the same point.
The no traffic road cycling routes in Aleu are highly rated by the komoot community, with an average score of 4.6 stars from 45 ratings. Cyclists often praise the challenging climbs, the quiet roads, and the breathtaking panoramic views of the Pyrénées Ariégeoises.
Absolutely. The rugged terrain of Aleu is home to several notable mountain passes. Routes like the Col de Péguère – Col de la Crouzette (1245 m) loop from Lacourt will take you over passes such as Col de la Crouzette and Péguère Pass. Other passes in the vicinity include Col de Saraillé and Latrape Pass.
Given Aleu's mountainous environment and proximity to ski resorts, the best time for road cycling is typically from late spring through early autumn (May to October). During these months, the weather is generally milder, and mountain passes are more likely to be clear of snow, offering optimal conditions for enjoying the routes.
Many routes pass through charming local villages and offer opportunities to experience the region. For example, the Col de Saraillé – Biert Village loop from Biert takes you through the village of Biert. The broader Couserans region, which encompasses Aleu, is rich in natural and cultural heritage, providing plenty to see and explore.
The no traffic road cycling routes around Aleu vary significantly in length. You can find shorter moderate loops, such as the Col de Saraillé – Biert Village loop from Biert at 17.7 km, up to challenging long-distance rides like the Col de Péguère – Col de la Crouzette (1245 m) loop from Lacourt, which is over 79 km.


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