5.0
(4)
36
riders
3
rides
Gravel biking around Aleu offers challenging routes through mountainous terrain and scenic valleys within the Pyrénées Ariégeoises Regional Natural Park. The region is characterized by significant elevation changes, including mountain passes and climbs, alongside sections along greenways. Riders can expect a mix of forest paths, open landscapes, and routes connecting small villages, providing a demanding experience for gravel cyclists.
Last updated: May 23, 2026
5.0
(3)
29
riders
141km
07:27
1,040m
1,040m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4
riders
31.1km
01:43
280m
280m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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1
riders
20.1km
01:33
460m
460m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
1
riders
25.7km
02:03
730m
730m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
1
riders
44.8km
03:19
1,260m
1,260m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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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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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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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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Very beautiful panoramic view of the mountains and the valley!!! and beautiful descent to the village of Seix!
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Hello everyone, I'm from Ariège, I decided this year to do the greenway with my dog Emy in both directions. It's a very beautiful walk, however there are some black points: lack of stone benches to deter potential thieves, and on the other hand the large Rimont tunnel which is 803 m long there is no more light. The motion detector does not work. Luckily that day I had my flashlight with me. There is horse excrement everywhere, perhaps one day we will have to ask the riders to pick up their droppings. It's a very beautiful walk.
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Gravel biking in Aleu is characterized by challenging routes with significant elevation changes, including mountain passes and climbs. The trails are primarily suited for advanced riders seeking demanding climbs and long distances.
The gravel biking routes around Aleu are generally considered difficult, featuring substantial climbs and varied terrain. There are no routes specifically classified as easy or moderate in this guide, making the area more suitable for experienced gravel cyclists.
You can expect a diverse mix of terrain, including forest paths, open landscapes, and sections along greenways. The region is known for its mountainous character, so be prepared for significant elevation changes, mountain passes, and climbs.
Yes, several routes in Aleu are circular. For example, the Foix–Saint-Girons Greenway – Foix loop from Rimont and the Mountain views – Panoramic view from Cominac loop from Seix are both designed as loops, bringing you back to your starting point.
Many routes offer stunning mountain views. The Mountain views – Panoramic view from Cominac loop from Seix specifically highlights panoramic vistas from Cominac. The region's mountainous terrain ensures many opportunities for scenic overlooks.
The routes vary significantly in length and duration. You'll find long-distance journeys like the Foix–Saint-Girons Greenway – Foix loop from Rimont, which is 141.2 km and takes over 9 hours, as well as shorter, intense climbs such as the Biert Village – Col de Saraillé loop from Tuc de Fourcas, at 25.7 km, typically completed in under 2.5 hours.
Along the trails, you can explore various points of interest. The Col de Port – The tunnels of Véloroute 81 loop from Biert takes you through the fascinating tunnels of Véloroute 81. You'll also encounter mountain passes like Col de la Crouzette (1245 m) and Péguère Pass, and sections of the Foix–Saint-Girons Greenway.
Yes, the region is rich in natural and historical landmarks. Besides the greenways and tunnels, you can find several significant mountain passes such as Col de Saraillé and Latrape Pass, which are often part of the challenging gravel routes.
The komoot community highly rates the gravel biking experience in Aleu, with an average score of 5.0 stars from over 3 reviews. Riders often praise the challenging mountainous terrain, the scenic greenways, and the rewarding climbs.
Absolutely. Aleu is particularly well-suited for advanced gravel bikers. The routes are defined by mountain passes, significant climbs, and long distances, offering a demanding yet rewarding experience for those seeking a challenge.
The provided information does not indicate any specific permits required for gravel biking on the listed routes in Aleu. However, it's always advisable to check local regulations for any protected areas you might pass through.
Given the mountainous terrain and potential for significant elevation, spring through autumn generally offers the most favorable conditions for gravel biking in Aleu. Winters can bring snow and colder temperatures, making some high-altitude routes inaccessible or more challenging.


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