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Saint-Girons

Alos

The best gravel rides around Alos

4.6

(6)

41

riders

14

rides

Gravel biking around Alos offers routes through a mountainous landscape characterized by significant elevation changes and varied terrain. The region features challenging climbs and descents, with trails often traversing passes and offering views of the Pyrenees. Gravel bike trails in Alos frequently lead through forested areas and past natural features like lakes, providing a robust experience for riders.

Best gravel bike trails around Alos

  • The most popular gravel bike trail is Church of Castillon – Core Pass loop from Saint-Lizier

Last updated: July 17, 2026

5.0

(1)

5

riders

#1.

Church of Castillon – Core Pass loop from Saint-Girons

60.3km

04:21

1,450m

1,450m

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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Hard

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard
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5.0

(1)

3

riders

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard
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Popular around Alos

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Tips from the Community

Thierry SCHIAVI - Ô Gravel !
April 25, 2025, Col de l'Arech

Superb site offering a beautiful panorama over the Bethmale valley and the Mont Valier massif

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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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Old little station that reminds us of another time!

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This is the longest tunnel on the greenway: it's super fun to go through. Be careful: it's a bit chilly!

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Small railway bridge, it's worth the detour, it's old!

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Superb path and pretty connection between Saint-Girons and Moulis, allowing you to avoid the very busy departmental road.

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Nice stop after the effort...

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why komoot does not practice v81 in its entirety

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Frequently Asked Questions

How many gravel bike trails are available around Alos?

Alos offers a robust selection of over 10 gravel bike trails, primarily catering to experienced riders with challenging mountain passes and significant elevation changes.

What is the general difficulty level of gravel biking in Alos?

The gravel biking routes in Alos are predominantly challenging, with 11 routes rated as difficult and 2 as moderate. Riders should expect significant climbs and descents through mountainous terrain.

Are there any easy gravel bike trails suitable for beginners in Alos?

While most routes are challenging, there are a couple of moderate options. For example, the Old Rimont Station – View of the Pyrenees loop from Baliar-Village is a moderate 18.0-mile (29.0 km) path that offers scenic views without the most extreme elevation gains.

Where can I find challenging gravel bike routes with significant elevation gain?

For a truly challenging experience, consider the Church of Castillon – Core Pass loop from Saint-Lizier. This 39.9-mile (64.2 km) trail features over 1,400 meters of elevation gain as it traverses mountain passes.

Are there gravel routes with scenic viewpoints of the Pyrenees?

Yes, many routes offer stunning views of the Pyrenees. The Old Rimont Station – View of the Pyrenees loop from Baliar-Village is specifically noted for its scenic vistas of the mountain range.

Are there any circular gravel bike routes in Alos?

All the featured gravel bike routes in Alos are designed as loops, allowing you to start and finish at the same point. Examples include the Étang de Bethmale – Castillon-en-Couserans loop from Moulis and the Core Pass – Col de Portech loop from Moulis.

Are there gravel bike trails that pass by natural features like lakes or waterfalls?

Yes, the region's trails often lead through forested areas and past natural features. The Étang de Bethmale – Castillon-en-Couserans loop from Moulis passes by the beautiful Étang de Bethmale. You can also find the Cascade de Nerech nearby, a notable waterfall.

What can I see along the gravel bike trails in terms of landmarks or points of interest?

Beyond the natural beauty, you can encounter historical sites and notable passes. The Church of Castillon – Core Pass loop from Saint-Lizier starts near the historic Saint-Lizier Historic Village and traverses the significant Core Pass.

What do other gravel bikers enjoy the most about gravel biking in Alos?

The area is highly rated by the komoot community, with an average score of 4.5 stars from more than 8 reviews. Riders often praise the challenging mountain passes, the stunning views of the Pyrenees, and the diverse terrain found within the forested areas.

When is the best time of year for gravel biking in Alos?

Given the mountainous landscape and significant elevation, late spring through early autumn typically offers the most favorable conditions for gravel biking in Alos, avoiding winter snow and ice on higher passes.

Is parking available near the gravel bike trails in Alos?

While specific parking details vary by trailhead, most starting points for these routes, such as those near Saint-Lizier, Baliar-Village, or Moulis, offer accessible parking options for riders.

Are there any greenways or dedicated cycle paths suitable for gravel bikes in the Alos area?

Yes, the region features parts of the V81 Greenway. You can explore sections like the V81 Greenway Tunnels (Saint-Girons – Foix) or the broader Piémont Pyrénéen Greenway (V81), which can be incorporated into gravel rides.

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