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France
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Saint-Girons

Ustou

The best road cycling routes around Ustou

4.9

(71)

2,908

riders

45

rides

Road cycling routes around Ustou are situated in the heart of the French Pyrenees, offering a diverse landscape for cyclists. The region is characterized by challenging mountain passes, deep valleys, and forested ascents. Cyclists can expect varied terrain, from gradual climbs through ancient oak forests to more demanding routes over iconic passes like Col d'Agnes and Port de Lers. This area provides a range of road cycling experiences amidst Pyrenean scenery.

Best road cycling routes around Ustou

  • The most popular…

Last updated: July 4, 2026

4.7

(3)

57

riders

#1.

Col de la Core Loop from Seix

37.2km

02:35

1,240m

1,240m

Tackle the difficult 23.1-mile road cycling route from Col de la Core to the picturesque Bethmale Pond, gaining 4054 feet of elevation.

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Hard

5

riders

Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

Moderate
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Hard road ride. Very good fitness required. Some segments of this route may be unpaved and difficult to ride.

Hard

Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

Hard

5.0

(1)

294

riders

Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

Hard
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Popular around Ustou

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Hiking Collection by

Luc Gesell

Tips from the Community

Siro Arias Valdés - Testadicorsa
June 29, 2026, Étang de Lers

A heavenly place to enjoy the Pyrenees in their full glory. Ideal for a family picnic in spring or summer. Also, as there is a bar - restaurant, it is ideal if you want to have a drink on the terrace.

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It is a MUST of the Pyrenees, without a doubt, that should be included in any route that crosses the Pyrenees from side to side. Any of its slopes 2 is spectacular and tough. The views from its summit are wonderful, feeling the wild side of the Pyrenees. Of course, once at the summit of this pass... you have to descend to the Étang de Lers and enjoy a quiet rest on the shores of the lake. It is a pass that has been part of the Tour de France route on several occasions, although always far from the finish line. The first professional rider to crest it in the lead was the unforgettable Marco Pantani in 1995.

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cgdscc
June 14, 2026, Port de Lers

I liked the climb from the north side (from Massat), very scenic and alpine landscapes towards the end at the étang de Lers

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Bettina
June 23, 2025, Seix

Beautiful, small town in the central Pyrenees, has that certain something and is definitely worth a visit

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An emblematic pass in the Couserans, popular with cycle tourists and hikers, it offers a superb panorama of the mountains and valleys.

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Beautiful place in the Pyrenees surrounded by mountains with a thermal bath from 1822. The Marathon des Oussailles starts here.

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A little past the summit sign of the Col du Saraillé on the way down towards the valley or Aulus is a section where the road opens up in front of your reveiling a stunning view of the mountains with a few houses in the foreground. On the left at the intersection is a little viewing platform with a picnic table where you could relax and take in the view. Or you can also take in the view as you zigzag down the moutain into the valley.

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Once you go past the Col de Saraillé sign and down towards Ercé a few kilometers you get an amazing view of the small little village, the valley and the looming mountains in the distance. There is also a viewing point on the left with a small table the shows you the name of each big mountain peak you can see.

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Frequently Asked Questions

How many road cycling routes are available around Ustou?

There are over 35 road cycling routes around Ustou, offering a diverse range of experiences for cyclists. These routes are situated in the heart of the French Pyrenees, characterized by challenging mountain passes, deep valleys, and forested ascents.

What is the general difficulty level of road cycling routes in Ustou?

The road cycling routes in Ustou cater to various skill levels. While the majority are classified as difficult (19 routes) or moderate (16 routes), there is also at least one easy route available. This ensures options for both experienced cyclists seeking a challenge and those looking for a more relaxed ride.

Are there any beginner-friendly road cycling routes in Ustou?

Yes, while Ustou is known for its challenging Pyrenean terrain, there is at least one easy road cycling route available. These routes typically feature less elevation gain and shorter distances, providing a good starting point for beginners or those looking for a more leisurely ride.

Where can I find challenging road cycling routes in Ustou?

Ustou is renowned for its challenging mountain passes, many of which are famous from the Tour de France. You can test your endurance on routes that include passes like the Col de Latrape, Col d'Agnès, and the Mur de Péguère. A particularly challenging option is the Agnès Pass – Lers Pass loop from Aulus-les-Bains, which covers 68.1 km with significant elevation gain.

What kind of terrain can I expect on road cycling routes in Ustou?

Road cycling in Ustou offers varied terrain, from gradual climbs through ancient oak forests to demanding ascents over iconic Pyrenean passes. You'll encounter winding roads through valleys, dense forests, and dramatic mountainous landscapes, providing a continuously changing and visually rewarding environment.

What are some notable landmarks or natural features to see along the road cycling routes?

Beyond the cycling, Ustou's natural beauty offers several attractions. You can find spectacular natural features like the Ars Waterfall (Middle), Upper Ars Waterfall, and Anglade Waterfall. The region also features serene mountain lakes such as Guzet Pond and Estats Pond, providing beautiful stopping points.

Are there any circular road cycling routes in Ustou?

Yes, many of the road cycling routes in Ustou are designed as loops, allowing you to start and finish in the same location. Examples include the Col de la Core Loop from Seix and the Col de Saraillé – Agnès Pass loop from Seix, which offer extensive Pyrenean scenery.

What do other road cyclists enjoy most about road cycling in Ustou?

The road cycling routes around Ustou are highly rated by the komoot community, with an average score of 4.8 stars from over 65 reviews. Cyclists often praise the challenging mountain passes, the breathtaking Pyrenean scenery, and the opportunity to ride routes traversed by professional riders in the Tour de France.

What is the best time of year for road biking in Ustou?

The Pyrenean region around Ustou is best for road cycling during the warmer months, typically from late spring to early autumn. This period offers more stable weather conditions, clear passes, and accessible routes. Winter cycling can be challenging due to snow and ice on higher passes.

How long do road bike trails near Ustou typically take to complete?

The duration of road cycling routes in Ustou varies significantly based on distance, elevation gain, and your personal pace. For example, the The col de Latrape by the two pans is often completed in about 1 hour 51 minutes, while longer, more difficult loops like the Core Pass – Seix loop from Aulus-les-Bains can take over 5 hours.

Are there any routes that follow rivers or valleys in Ustou?

Yes, while many routes tackle mountain passes, Ustou also offers rides through scenic valleys. The region research mentions the "Along the Salat by Seix" route, which follows the Salat river, providing a different perspective on the Pyrenean landscape.

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