4.4
(24)
526
riders
38
rides
Road cycling routes around Lac de Mondely traverse a landscape characterized by an artificial reservoir nestled within the Plantaurel massif, surrounded by wooded hills and the Lèze river. The region features varied terrain, including rolling hills, fields, pastures, and forests, with distant views of the Pyrenees mountains. Road cyclists can expect routes that range from moderate to difficult, incorporating significant ascents and descents. The area provides a mix of serene lakeside paths and more challenging mountain pass climbs.
Last updated: July 2, 2026
5.0
(2)
26
riders
40.5km
02:20
890m
890m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.
16
riders
40.1km
01:56
570m
570m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

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4.0
(2)
28
riders
52.4km
03:08
1,240m
1,240m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.
14
riders
41.5km
01:52
350m
350m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.
7
riders
67.1km
03:27
1,100m
1,100m
Hard road ride. Very 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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A very peaceful route with beautiful views and landscapes
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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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There are over 30 road cycling routes around Lac de Mondely listed on komoot. These routes cater to various skill levels, with 15 classified as moderate and 19 as difficult, offering a diverse range of challenges for cyclists.
The terrain around Lac de Mondely is quite varied, characterized by the Plantaurel massif. You'll encounter wooded hills, rolling hills, fields, pastures, and forests. Many routes feature significant ascents and descents, including challenging mountain passes, with distant views of the Pyrenees mountains adding to the scenic experience.
While many routes offer significant challenges, there are options for less experienced cyclists. Komoot lists one easy route and 15 moderate routes. These typically involve less extreme elevation changes, allowing for a more relaxed exploration of the area's natural beauty.
For experienced cyclists seeking a challenge, routes like the Col de Péguère – Col de la Crouzette (1245 m) loop from La Bastide-de-Sérou offer substantial ascents, reaching over 1,200 meters in elevation. Another demanding option is the Marrous Pass loop from La Bastide-de-Sérou, which includes a significant climb towards the Marrous Pass.
Beyond the serene beauty of Lac de Mondely itself, several routes pass by or near notable attractions. You can explore the prehistoric Cave of Mas d'Azil, a fascinating geological and historical site. Other routes might offer glimpses of historical sites like Pamiers Cathedral or Château de Labarre, providing cultural interest amidst your ride.
Yes, many of the road cycling routes around Lac de Mondely are designed as loops, allowing you to start and finish in the same location. Examples include the Grotte du Mas-d'Azil – L'Épicerie d'Ici loop from La Bastide-de-Sérou and the Grotte du Mas-d'Azil – Portel Pass loop from La Bastide-de-Sérou, which offer varied distances and elevations.
The area is highly rated by the komoot community, with an average score of 4.2 stars from over 20 reviews. Cyclists often praise the diverse routes that cater to different ability levels, the scenic beauty of the wooded hills and rolling terrain, and the challenging mountain passes that provide rewarding climbs.
The autumn months are particularly vibrant for road cycling around Lac de Mondely, as the surrounding forests display a stunning array of red and golden foliage. Generally, spring and early autumn offer pleasant temperatures and less extreme weather conditions, making them ideal for exploring the region's routes.
While many road cycling routes are geared towards more experienced riders, the Lac de Mondely area does offer family-friendly attractions. Near the lake, you can find a children's play area and rental services for VTCs (hybrid bikes) and electric bikes, which might be suitable for more casual family rides. For off-bike activities, La Ferme des Reptiles and Saint Martin Animal Park are engaging options for families.
At Lac de Mondely, visitors can find a bar-terrace, a children's play area, and rental services for VTCs (hybrid bikes) and electric bikes. These amenities provide convenient options for refreshments and leisure activities before or after your ride.
Yes, many road cycling routes in the Lac de Mondely region traverse landscapes that provide impressive distant views of the Pyrenees mountains. The varied terrain, including rolling hills and higher elevations, often opens up to panoramic vistas of the majestic mountain range.
Absolutely. Routes such as the Foix – Foix Castle loop from La Bastide-de-Sérou allow you to combine your cycling with visits to historical landmarks. This particular route offers the chance to see Foix Castle, adding a cultural dimension to your ride through the region.


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