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Saint-Gaudens

Castelbiague

The best MTB trails around Castelbiague

4.4

(29)

185

riders

33

rides

Mountain biking around Castelbiague offers varied terrain in the Pyrenean foothills, characterized by mountains, valleys, and forests. The region provides a mix of challenging ascents and descents suitable for mountain biking. The Arbas Valley, in particular, features scenic views and diverse landscapes, while the Ger River contributes to tranquil, bucolic surroundings. This environment supports a range of mountain bike trails, from forest roads to more technical sections.

Best mountain bike trails around Castelbiague

  • The most popular mountain bike trail is…

Last updated: June 24, 2026

4.7

(6)

17

riders

#1.

Col de Larrieu (704 m) – Route forestière de Paloumère loop from Arbas

22.8km

02:24

690m

690m

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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Moderate

Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

Hard
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Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

Moderate

Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

Hard

Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

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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Flo
December 1, 2024, Cascade du Rioumajou

The Rioumajou is a tributary of the Arbas, its sources are located near Paloumère. Driving on the Paloumère forest track, you will find several streams and resurgences dependent on this stream.

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Nice panorama before the climb to the Peak!

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Iris
September 19, 2022, Col de Larrieu (704 m)

Nice climb on a road in good condition. The highest point is 707m above sea level. A must do if you are in the area

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Nice ascent as much on the Arbas side as on the Aspet side. To be included in a trip around the area.

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Great point of view of the forest road of Paloumère.

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From the Col de Larrieu, this forest road allows beautiful, easy walks.

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Frequently Asked Questions

How many mountain bike trails are available around Castelbiague?

There are over 30 mountain bike trails around Castelbiague, offering a diverse range of experiences. These routes are highly rated by the komoot community, with an average score of 4.4 stars.

What kind of terrain can I expect on mountain bike trails near Castelbiague?

The terrain around Castelbiague is varied, characterized by the Pyrenean foothills, valleys, and forests. You'll find challenging ascents and thrilling descents, especially in areas like the Arbas Valley and around the Col de Larrieu (704 m). There are also less strenuous options, including converted railway lines (Voies Vertes) that offer gentle gradients.

Are there mountain bike trails suitable for beginners in Castelbiague?

Yes, Castelbiague offers some easier mountain bike trails, with 2 routes specifically rated as 'easy'. The region's converted railway lines (Voies Vertes) are particularly suitable for less experienced riders or those seeking a relaxed ride, as they feature gentle inclines and are generally well-indicated.

Are there challenging mountain bike routes for experienced riders?

Absolutely. For experienced mountain bikers, there are 11 routes rated as 'difficult' around Castelbiague. These often feature substantial elevation gains and technical sections. An example is the Passengers Pass – Tuc des Teches loop from Chein-Dessus, which covers 38 km with over 1600 meters of elevation gain.

Are there circular mountain bike routes in the area?

Yes, many of the mountain bike trails around Castelbiague are circular routes, allowing you to start and end at the same point. Examples include the Cascade du Rioumajou loop from Arbas and the Look out point over the valley loop from Chein-Dessus.

What scenic viewpoints can I find along mountain bike trails near Castelbiague?

Mountain bike trails in the region offer numerous scenic viewpoints, particularly over the Arbas Valley and the Pyrenean foothills. The Look out point over the valley loop from Arbas is specifically designed to showcase expansive views. Areas like the forest road of Chein Dessus also provide remarkable vistas.

Are there any interesting landmarks or attractions to see while mountain biking?

Yes, you can encounter several interesting features. The Col de Larrieu (704 m) is a significant pass offering great views. You might also come across an Old railroad embankment, part of the converted railway lines, or experience the tranquil Bucolic landscape in Pointis-Inard near the Ger River.

Are there mountain bike trails with waterfalls near Castelbiague?

Yes, you can find trails that lead to waterfalls. The Cascade du Rioumajou loop from Arbas and the Cascade du Rioumajou loop from Fougaron are two routes that specifically feature the Cascade du Rioumajou.

What is the best time of year for mountain biking in Castelbiague?

The Pyrenean foothills generally offer good conditions for mountain biking from spring through autumn. While specific seasonal considerations can vary, the diverse terrain allows for enjoyable rides across much of the year, with summer providing warmer weather and winter potentially bringing colder conditions at higher elevations.

Can I bring my dog on mountain bike trails around Castelbiague?

Many outdoor trails in the region are dog-friendly, but it's always advisable to check local signage and regulations for specific routes. When riding with your dog, ensure they are well-behaved, under control, and that you carry water for them, especially on longer rides.

Are there family-friendly mountain bike trails in Castelbiague?

For families, the converted railway lines (Voies Vertes) are an excellent option. These routes are generally flat, well-maintained, and offer a safe environment away from traffic, making them ideal for riders of all ages and skill levels. While specific 'family-friendly' ratings aren't always available, the 'easy' rated routes are a good starting point.

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