3.8
(8)
30
riders
3
rides
Gravel biking around Unac offers routes through the mountainous terrain of the Pyrenees, characterized by deep valleys, forested slopes, and high mountain passes. The region features a mix of challenging ascents and scenic descents, often following historic paths and quiet country roads. Riders can expect varied surfaces, from hard-packed dirt to loose gravel, typical of alpine environments. These gravel bike trails near Unac provide diverse riding experiences.
Last updated: October 16, 2026
9
riders
29.0km
02:47
1,060m
1,060m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.3
(4)
8
riders
18.9km
01:13
280m
280m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

4
riders
26.5km
02:07
620m
620m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
3.5
(2)
5
riders
27.7km
02:43
1,040m
1,040m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
3.5
(2)
4
riders
28.0km
02:42
910m
910m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.
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Beautiful thermal town, with the start of the beautiful passes of Ariege.
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Col ranked hors catégorie, the end is complicated with high percentages, 9%
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Pass located above the Orgeix Valley, from which we can access the Cap du Camp peak at 1780m
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There are several fountains and public pools with pure thermal water to warm your feet after the descent.
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Nice relax and shower stop in the swimming pool by Parc de'Espagne. Also a hose to clean the bikes in park near the gondola lift entry.
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A spectacular route along its river and tributaries, its lake and its special characteristics make it very beautiful and entertaining.
1
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Very good route to do in spring or summer
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Spectacular place for its wild rivers, snowy mountains and most importantly the hot springs spas that are quite a spectacle.
1
0
Gravel biking around Unac features mountainous terrain typical of the Pyrenees, with deep valleys, forested slopes, and high mountain passes. You'll encounter varied surfaces, from hard-packed dirt to loose gravel, often on historic paths and quiet country roads.
Yes, Unac offers several challenging routes. For instance, the Path to Orlu valley – Ax-les-Thermes loop from Ax-les-Thermes is a difficult 17.9-mile (28.8 km) trail with significant elevation gain. Another demanding option is the Col du Chioula – Col de Marmare (1361 m) loop from Savignac-les-Ormeaux, which spans 39.5 miles (63.6 km) and features two notable mountain passes.
While many routes are challenging, there are moderate options. The Orgeix – Path to Orlu valley loop from Ax-les-Thermes is a moderate 11.8-mile (19.0 km) trail, offering a less strenuous ride compared to the more difficult high-altitude climbs.
The routes in Unac provide expansive views of the Pyrenean landscape, including deep valleys, dense forests, and mountain passes. You'll often ride through wooded areas and past small villages, immersing you in the region's natural beauty.
The Unac area is highly rated by the komoot community, with an average score of 4.2 stars from over 6 reviews. Riders often praise the varied terrain, the challenging ascents, and the scenic beauty of the Pyrenean valleys and forests.
Yes, most of the popular gravel biking routes around Unac are loops. Examples include the Path to Orlu valley – Ax-les-Thermes loop from Ax-les-Thermes and the Orgeix – Village of Orlu loop from Orgeix, which allows you to start and finish in the same location.
Along and near the gravel bike trails, you can explore several interesting points. Consider visiting the historic town of Ax-les-Thermes, or marvel at the natural beauty of Gorges de la Frau. The Orgeix Church and Bridge over the Oriège also offers a picturesque stop.
Yes, the region has historical significance. You can visit Montaillou Castle, which offers a glimpse into the area's past. While not directly on the trails, these landmarks are within the broader Unac region.
Ride durations vary significantly based on the route's length and difficulty. For example, the Orgeix – Village of Orlu loop from Orgeix typically takes about 2 hours 30 minutes, while longer, more challenging routes like the Col du Chioula – Col de Marmare (1361 m) loop can take over 5 hours 45 minutes.
There are at least 5 gravel bike trails documented around Unac, offering a range of experiences from moderate to difficult, primarily focusing on the mountainous terrain of the Pyrenees.
Absolutely. The Path to Orlu valley – Ax-les-Thermes loop from Ax-les-Thermes is a popular route that specifically explores the scenic Orlu valley, offering a challenging ride with beautiful surroundings.


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