4.7
(14)
328
riders
25
rides
Road cycling routes around Nescus navigate a landscape characterized by significant mountain passes and rolling hills in the Ariege Pyrenees. The region features varied terrain, including ascents to passes like Marrous and Portel. Cyclists can expect a mix of challenging climbs and scenic stretches through valleys. This area offers diverse cycling routes with notable elevation changes.
Last updated: July 5, 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.
13
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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Road cycling routes around Nescus are characterized by a mix of significant mountain passes and rolling hills. You'll encounter challenging ascents to passes like Marrous and Portel, as well as scenic stretches through valleys and areas with natural caves.
There are over 30 road cycling routes available around Nescus on komoot. These routes cater to various skill levels, from easy loops to more difficult climbs.
Yes, while many routes feature climbs, there is at least one easy road cycling route available. The majority of routes are moderate, offering a balanced challenge. For example, the Marrous Pass loop from La Bastide-de-Sérou is a moderate 24.9-mile ride.
For experienced cyclists seeking a challenge, Nescus offers 15 difficult routes. A notable difficult option is the Col de Péguère – Col de la Crouzette (1245 m) loop from La Bastide-de-Sérou, which covers 32.6 miles (52.4 km) with significant elevation gain.
The routes around Nescus vary in length. For instance, the Marrous Pass loop from La Bastide-de-Sérou is about 24.9 miles (40.1 km), while the Grotte du Mas-d'Azil – Portel Pass loop from La Bastide-de-Sérou extends to 37.4 miles (60.3 km).
The Nescus area offers several interesting landmarks. You can cycle near historical sites like Foix Castle, explore routes around natural caves such as the Grotte du Mas-d'Azil, or pass through notable mountain passes like Péguère Pass and Col de Port. The Foix–Saint-Girons Greenway also offers scenic sections.
Yes, cyclists can find scenic viewpoints. For example, the Roc de Caralp is a notable viewpoint in the region. Routes often traverse areas with beautiful natural scenery, including mountain passes and valleys.
The road cycling routes in Nescus are highly rated by the komoot community, with an average score of 3.9 stars from over 10 reviews. Cyclists often praise the varied terrain, which includes both challenging mountain passes and scenic valley stretches, as well as the opportunity to explore historical sites and natural caves.
Beyond the passes and caves, the region features natural monuments such as the Cap du Carmil and the serene Lac de Mondély, which can be explored in the vicinity of the cycling routes.
While specific parking locations and public transport connections for each route are not detailed in this guide, many routes, such as those starting from La Bastide-de-Sérou, are designed as loops, making them convenient for starting and ending at the same point. It's advisable to check local resources for parking availability and public transport options in the towns near your chosen starting point.
The guide does not specify the best time of year. However, given the presence of mountain passes, spring through autumn typically offers the most favorable weather conditions for road cycling, avoiding potential snow or ice at higher elevations during winter.


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