4.9
(90)
3,944
riders
6
rides
No traffic road cycling routes around Ustou are set within the dramatic Pyrenean landscapes of southwestern France, characterized by majestic mountains, deep valleys, and flowing rivers. The region features significant elevation changes, with terrain ranging from lush forests to open valleys carved by rivers such as the Alet, Ossèse, and Salat. This geographical setting provides a diverse environment for road cyclists, offering both challenging mountain passes and more accessible valley rides.
Last updated: July 6, 2026
5.0
(1)
27
riders
32.3km
01:24
300m
300m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
5.0
(1)
14
riders
21.7km
01:06
340m
340m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

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5.0
(1)
21
riders
37.4km
01:38
350m
350m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
5.0
(1)
9
riders
24.7km
01:22
530m
530m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
10
riders
23.5km
01:18
510m
520m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
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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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An exceptional village in the couserans starting point for many walks
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There are 6 dedicated no traffic road cycling routes around Ustou, all rated as moderate difficulty, offering a balanced challenge for cyclists looking to explore the Pyrenean landscapes without heavy vehicle interference.
The routes in Ustou traverse stunning Pyrenean landscapes, featuring lush forests, scenic valleys carved by rivers like the Alet and Ossèse, and dramatic mountain backdrops. You'll experience significant elevation changes, characteristic of the central Pyrenees.
Yes, several routes offer access to impressive natural features. For example, the route Trail to the Ars Waterfalls loop from Oust brings you close to the impressive Ars Waterfall (Middle). You can also find routes with panoramic views, such as the Panoramic view from Cominac – Mountain views loop from Seix.
The best season for road cycling in Ustou is typically from late spring to early autumn (May to October). During these months, the weather is generally more stable, and the mountain passes are clear of snow, allowing for optimal enjoyment of the traffic-free routes and the region's natural beauty.
While many major passes like Col de Latrape and Col d'Agnès can be challenging, routes specifically designed as 'no traffic' often utilize quieter roads or sections. The Seix – Col de Saraillé loop from Seix offers a moderate challenge with over 500 meters of elevation gain, providing a taste of the Pyrenean climbs on less frequented roads.
Yes, all the no traffic road cycling routes around Ustou are designed as loops, allowing you to start and finish at the same point. This makes planning your ride and return journey straightforward, such as the Seix – Trail to the Ars Waterfalls loop from Aulus-les-Bains.
The komoot community highly rates the cycling experience in Ustou, with an average score of 4.88 stars from 67 ratings. Cyclists often praise the stunning Pyrenean scenery, the challenging yet rewarding climbs, and the opportunity to ride on quieter roads away from heavy traffic.
While Ustou is known for its challenging mountain passes, the available no traffic routes are generally moderate in length, ranging from approximately 21 km to 36 km. The longest option is the Seix – Trail to the Ars Waterfalls loop from Aulus-les-Bains, covering 36.26 km.
Specific parking information for each route start point is usually detailed within the individual komoot Tour descriptions. Generally, you can find parking in the villages or towns where the loops begin, such as Seix, Oust, or Cominac, which serve as common starting points for these routes.
While the routes focus on road cycling, the region around Ustou is dotted with numerous mountain lakes. Some routes may offer distant views, or you might find a short detour to a lake. For instance, the area features beautiful spots like Guzet Pond and Estats Pond, though direct access might require leaving your bike for a short walk.
The no traffic road cycling routes around Ustou feature moderate elevation gains, reflecting the mountainous terrain. You can expect ascents ranging from approximately 330 meters to over 530 meters, providing a good workout without being overly extreme. For example, the Panoramic view from Cominac – Col de Saraillé loop from Cominac has an elevation gain of 516 meters.


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