Mountain passes around Sentein, located in the Ariège Pyrenees of the Occitanie region in France, serve as a gateway to numerous mountain passes. This area is characterized by its mountainous terrain and natural landscapes, offering diverse routes through the Pyrenees. The region features a variety of passes, from challenging ascents to scenic routes.
Last updated: June 26, 2026
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Popular around Sentein
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Hiking around Sentein
Road Cycling Routes around Sentein
Cycling around Sentein
Running Trails around Sentein
MTB Trails around Sentein

Gravel biking around Sentein
Beautiful pass of the Tour de France offering a very beautiful point of view at its summit. It can be accessed by gravel or mountain bike in two different ways and also left in two different ways without going through the tarmac ...
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Popular with cyclists, the Portet-d'Aspet pass peaks at an altitude of 1,069 meters between the Ger and Bouigane valleys.
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Mythical pass marked several times by the Tour de France. The panorama is remarkable!
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A fairly gentle pass coming from Saint-Girons. The other side seems more difficult.
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Quite a demanding pass, approach from the east, exit to the west. More information: https://www.quaeldich.de/paesse/col-de-portet-d-aspet/
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The Portet-d'Aspet pass culminates at an altitude of 1,069 meters between the Ger and Bouigane valleys. Its ascent from the village of Aspet is 14.3 kilometers long with an average gradient of 4.2%. Until the Oule bridge the road remains relatively easy before really rising over the last kilometers with several passages at more than 13%.
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The views are spectacular from the highest point of the Varradós track next to the lake of the same name.
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Magnificent panoramic views of the Aran Valley. Border between Spain and France, the peak of Mauberme is at an altitude of 2880 meters.
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Visitors frequently enjoy the Portet-d'Aspet pass, known for its challenging ascent and historical significance. Another favorite is Còth de Varradòs, which offers spectacular views next to a lake. For those seeking magnificent panoramic views, Maubèrme Peak, located at 2880 meters on the border of Spain and France, is also highly regarded.
For serious cyclists seeking a demanding challenge, the Mur de Péguère (Péguère Pass) is infamous for its exceptionally steep sections, with gradients reaching up to 18% or more. The Col d'Agnes also offers a rewarding physical challenge with numerous switchbacks and significant climbs. Additionally, the Col de la Crouzette presents a challenging ascent with steep gradients, sometimes up to 19%.
Yes, Lers Pass (Port de Lers) is known for its pleasant roads, low traffic, and impressive views. Its proximity to the stunning Étang de Lers (Lake Lers), a natural site recognized for unique geological features, adds to its appeal. The lake offers easy walks and a serene environment. The Col de la Core also provides a tranquil cycling or driving experience with quiet, forested roads and consistent gradients.
The Col de la Crouzette holds historical significance as a rallying point for the 'Maquis de la Crouzette,' a powerful resistance group during World War II, with a stele honoring these fighters near the pass. Both the Col d'Agnes and the Mur de Péguère have been featured multiple times in the Tour de France, with the Mur de Péguère gaining notoriety from incidents during the race, adding to their storied past.
The region around Sentein offers a variety of outdoor activities. You can find numerous hiking trails, including challenging routes like the 'Etang d'Araing et Canau Grande' loop or the 'Le Pic du Maubermé' loop. For running, there are difficult trails such as the 'Riviere departure – View of Étang d'Araing loop'. You can explore more options for hiking, running, and mountain hikes in the area.
The best time to visit the mountain passes around Sentein for cycling, hiking, and enjoying the scenic views is generally from late spring through early autumn (May to October). During these months, the weather is typically milder, and the passes are clear of snow, making them accessible. In winter, some passes like Lers Pass transform into cross-country skiing destinations.
Absolutely. The Col de Pouech offers breathtaking views of the surrounding mountains, including the Round and Long ponds in the distance. The Col d'Agnes provides awe-inspiring views, particularly from its western approach, with spectacular vistas of the high mountains bordering Andorra and Spain. Maubèrme Peak also boasts magnificent panoramic views of the Aran Valley.
The Lers Pass is unique due to its proximity to the stunning Étang de Lers (Lake Lers), a natural site at 1264 meters of altitude. This lake is recognized for its unique geological features, including lherzolite rocks from the Earth's mantle, and is classified under Natura 2000. Beyond scenic drives, visitors can enjoy easy walks around the lake and observe these distinct geological formations.
Yes, for those exploring the passes, the Cabane du Clot du Lac is a simple refuge located on a pass. While it doesn't have water, it offers an incredible view and is a nice spot to take a break during your journey.
The gradients vary significantly across the passes. For instance, the ascent of the Portet-d'Aspet pass from Aspet averages 4.2%, but includes sections over 13%. The Col de la Crouzette can reach steep gradients of up to 19% in certain sections. The Mur de Péguère is infamous for its exceptionally steep sections, often exceeding 18% after the Col des Caougnous.
When visiting the Portet-d'Aspet pass, be aware that while the initial part of the ascent from Aspet is relatively easy, the road rises significantly over the last kilometers with several passages at more than 13%. On the west side, you'll encounter very hard ramps. You can also find the monument to Fabio Casartelli near the pass.


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