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France
Occitania
Saint-Gaudens

Castelbiague

The best gravel rides around Castelbiague

4.5

(2)

31

riders

4

rides

Gravel biking around Castelbiague offers diverse terrain in the Pyrenean foothills of southwestern France. The region features a mix of well-maintained forest roads, country lanes, and converted old railway lines. Riders can explore rolling, hilly landscapes of the Pyrenean Piedmont, providing varied gradients suitable for gravel riding. The area is characterized by forests of beech, ash, and chestnut, alongside the Garonne and Arbas valleys.

Best gravel bike trails around Castelbiague

  • The most popular gravel bike trail is Estélas State Forest – Stroll along the Salat loop from Prat-Bonrepaux, a 24.9 miles (40.1 km) trail that takes 2 hours 51 minutes to complete. This difficult route explores the varied terrain of the Estélas State Forest.
  • Another top favourite among local gravel bikers is Estélas State Forest – Stroll along the Salat loop from Fougaron, a difficult 29.6 miles (47.6 km) path. This route also navigates the Estélas State Forest, offering challenging gradients and forest scenery.
  • Local gravel bikers also love the Old Rimont Station – The tunnels of Véloroute 81 loop from Lestelle, a 53.8 miles (86.6 km) trail leading through converted old railway lines, often completed in about 4 hours 25 minutes.
  • Gravel biking around Castelbiague is defined by Pyrenean foothills, shaded forest paths, and converted railway lines. The network offers options for different ability levels, from challenging climbs to scenic, winding routes.
  • The routes in Castelbiague are highly rated by the komoot community with an average score of 4.5 stars from over 2 reviews. More than 20 gravel bikers have used komoot to explore Castelbiague's varied terrain.

Last updated: July 2, 2026

5

riders

#1.

Estélas State Forest – Stroll along the Salat loop from Prat-Bonrepaux

40.2km

02:52

920m

920m

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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Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.

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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Tips from the Community

Christelle Jérôme
May 24, 2025, Col de Larrieu (704 m)

Not very long but good percentage

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hard on a mountain bike but it's so beautiful

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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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Nice route with few people at weekends

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Magnificent view of the historic center, with the river it makes a magnificent landscape. A bit of a shame that there is the main road not far away with the incessant noise of cars... but it's still worth it!

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why komoot does not practice v81 in its entirety

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Superb forest track for a very pleasant descent (towards Fougaron), very smooth but with just enough rocks to keep you focused. Be careful, the last section (junction towards Fougaron) must see a lot of forestry vehicles pass, because the path is much less pleasant, very uneven and rocky. Fortunately it's not very long, but it's better to have good brakes.

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Frequently Asked Questions

How many gravel bike trails are available around Castelbiague?

There are over 9 gravel bike routes around Castelbiague, offering a variety of experiences in the Pyrenean foothills. Most of these routes are considered difficult, providing a good challenge for experienced riders.

What kind of terrain can I expect on gravel bike trails in Castelbiague?

The terrain around Castelbiague is diverse, featuring a mix of well-maintained forest roads, quiet country lanes, and converted old railway lines. You'll encounter the rolling, hilly landscapes of the Pyrenean Piedmont, offering varied gradients and scenic views of the Pyrenees mountain range.

Are there any family-friendly gravel biking options in the Castelbiague region?

Yes, while many routes are challenging, the region does offer options suitable for families and electric-assist bikes, particularly those utilizing converted old railway lines (Voies Vertes). These paths are generally smoother and have fewer significant elevation changes, making them more accessible.

What are some notable natural features or landmarks I might see while gravel biking near Castelbiague?

You can explore beautiful forests of beech, ash, and chestnut, and ride through the scenic Garonne and Arbas valleys. Notable landmarks include the Col de Larrieu (704 m), offering pleasant ascents and views. You might also encounter historical elements like the Henri IV Fountain in a nearby village.

Are there any routes that offer panoramic views of the Pyrenees?

Absolutely. Many routes in the region provide stunning panoramic views. For example, the area around the Paloumère forest and the "Boucle entre Saint-Martin et Rouède" are known for offering lovely panoramas of the Pyrenean Piedmont and the peak of Cagire.

What do other gravel bikers say about the trails in Castelbiague?

The gravel biking routes around Castelbiague are highly rated by the komoot community, with an average score of 4.7 stars from more than 3 reviews. Riders often praise the varied terrain, the challenging gradients, and the beautiful forest scenery.

Are there any gravel routes that follow old railway lines?

Yes, the transformation of old railway lines into superb cycle paths, known as Voies Vertes, is a major attraction in the region. These offer smooth and accessible routes, often passing over bridges and through illuminated tunnels, providing a unique gravel biking experience. An example is the Old Rimont Station – The tunnels of Véloroute 81 loop from Lestelle.

Can I find challenging gravel bike routes in Castelbiague?

Yes, Castelbiague is known for its challenging gravel routes. Most of the available tours are rated as difficult, featuring significant elevation gains and varied terrain. Routes like the Estélas State Forest – Stroll along the Salat loop from Chein-Dessus offer demanding climbs and descents.

Are there any circular gravel bike routes starting from Castelbiague or nearby areas?

Yes, many of the gravel bike routes in the region are designed as loops, allowing you to start and finish in the same location. For instance, the Château de Beauchalot – Montsaunès church loop from Couret is a popular circular route exploring the local countryside.

What is the best time of year to go gravel biking in Castelbiague?

The region's forests, characterized by beech, ash, and chestnut trees, provide shaded routes that can be enjoyed across various seasons. The Pyrenean foothills offer pleasant conditions for gravel biking from spring through autumn, with summer providing good shade and cooler temperatures at higher elevations.

Are there any routes that explore the Estélas State Forest?

Yes, the Estélas State Forest is a prominent area for gravel biking. You can explore its varied terrain and challenging gradients on routes such as the Estélas State Forest – Stroll along the Salat loop from Prat-Bonrepaux.

What is the longest gravel bike route available in the Castelbiague area?

One of the longer routes in the area is the Old Rimont Station – The tunnels of Véloroute 81 loop from Lestelle, which covers approximately 87.9 kilometers (54.6 miles).

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