4.6
(35)
863
riders
20
rides
Road cycling routes around Le Mas-D'Azil traverse a varied topography, featuring alternating slopes, hills, and ridge passages within the Ariège department of southwestern France. The region is characterized by the distinctive Plantaurel massif, through which the unique Grotte du Mas-d'Azil passes, and offers views towards the Pyrenees. Cyclists encounter a mix of paved surfaces, river valleys like the Arize, and natural features including lakes such as Lac de Mondély.
Last updated: July 7, 2026
1.0
(1)
19
riders
35.6km
02:01
670m
670m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
5.0
(2)
36
riders
89.6km
04:40
1,680m
1,680m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

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5.0
(1)
33
riders
58.0km
02:44
770m
770m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
5.0
(1)
15
riders
82.8km
04:10
1,140m
1,140m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.
4.0
(1)
13
riders
50.8km
02:27
690m
690m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
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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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A magnificent spot with the road winding under the rock, running alongside a partially underground stream. It's both breathtaking and peaceful. Plus, there's a starting point for a short walk; I did the beginning and it was lovely: I'd love to come back and do a longer section!
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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.
2
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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 cave and at the northern exit there is even a waterfall and another picnic area (in the shade, more for summer, in winter we prefer to picnic at the southern exit!)
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A place full of charm: a unique cave with the road passing under the rock: you have to go through it, and go through it again!
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There are 15 road cycling routes available around Le Mas-D'Azil, offering a range of experiences for different skill levels. These routes are highly rated by the komoot community, with an average score of 4.4 stars.
The region around Le Mas-D'Azil features varied topography, including alternating slopes, hills, and ridge passages within the Plantaurel massif. You can expect engaging cycling with both muscular climbs and fast, technical descents, primarily on paved surfaces. Many routes also offer views towards the Pyrenees.
Yes, while many routes offer significant challenges, there is 1 easy route available. For a moderate option that still provides scenic views without extreme difficulty, consider the Grotte du Mas-d'Azil and Lac de Mondély Loop, which is 35.6 km long with 670 meters of elevation gain.
For experienced cyclists seeking a challenge, Le Mas-D'Azil offers 9 difficult routes. A notable option is the Col de la Crouzette (1245 m) – Col de Péguère loop from Le Mas-d'Azil, an 89.6 km path with substantial climbs over mountain passes, providing expansive views. Another demanding route is the Lac de Mondély – Le Bascou loop from Le Mas-d'Azil, covering 82.6 km with over 1100 meters of elevation gain.
Yes, many of the road cycling routes around Le Mas-D'Azil are designed as loops, allowing you to start and finish in the same location. Examples include the Grotte du Mas-d'Azil and Lac de Mondély Loop and the Grotte du Mas-d'Azil – Cascades loop from Le Mas-d'Azil.
The routes often pass by significant natural features. You can cycle through the unique Grotte du Mas-d'Azil, a colossal cave traversable by road, and past picturesque lakes like Lac de Mondély. Some routes, such as the Grotte du Mas-d'Azil – Cascades loop from Le Mas-d'Azil, even lead through varied terrain with waterfalls.
Beyond the natural beauty, the region offers cultural and historical points of interest. The Grotte du Mas-d'Azil is not only a natural wonder but also a significant prehistoric site. The village of Le Mas-D'Azil itself has historical charm, and the area is home to several well-preserved dolmens, which can be integrated into your visit.
The region is generally pleasant for cycling from spring through autumn. Summer offers warm weather, ideal for longer rides and enjoying the natural scenery. However, always check local weather forecasts, especially when planning rides with significant elevation changes or through mountainous areas like the Pyrenees.
While many road cycling routes in Le Mas-D'Azil involve significant elevation, some sections or dedicated greenways might be more suitable for families. For instance, the area features highlights like the tunnels of Véloroute 81 and the Foix–Saint-Girons Greenway, which offer flatter, traffic-free paths ideal for family outings.
Le Mas-D'Azil, as a central point for many routes, typically offers parking options within the village. For specific trailheads, it's advisable to check the individual route details on komoot, as many routes start and end in accessible locations with designated parking areas, especially near popular attractions like the Grotte du Mas-d'Azil.
The area is highly rated by the komoot community, with an average score of 4.4 stars from over 17 reviews. Cyclists frequently praise the varied topography, the unique experience of cycling through the Grotte du Mas-d'Azil, and the stunning views of the Pyrenees and rolling landscapes. The mix of challenging climbs and scenic descents also contributes to a highly engaging experience.
Yes, several routes incorporate the famous Mas d'Azil Cave. A popular moderate option is the Grotte du Mas-d'Azil and Lac de Mondély Loop. Another route that features this unique landmark is the Mas d'Azil Cave – Three Brothers Cave loop from Le Mas-d'Azil, offering a 49.9 km ride.


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