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Bielsa

The best MTB trails around Bielsa

4.7

(30)

714

riders

12

rides

Mountain biking around Bielsa is characterized by its high-mountain Pyrenean landscapes, featuring dramatic valleys, dense forests, and glacial formations. The region is situated at the confluence of the Cinca and Barrosa rivers, offering varied terrain for mountain bikers. Trails often navigate through areas with imposing peaks and natural features, providing a challenging environment for outdoor enthusiasts. This area is known for its natural trails, some of which are sculpted and supported by local initiatives.

Best mountain bike trails around Bielsa

  • The most popular mountain bike trail is Pico Comodoto Loop from Pineta, a 13.6 miles (21.8 km) trail that takes 3 hours 15 minutes to complete. This challenging route offers panoramic views of the Pineta Valley and Monte Perdido.
  • Another top favourite among local mountain bikers is Bielsa a Ibón de Urdiceto a Valle de Chistau — circular Parque Natural Posets-Maladet, a difficult 43.2 miles (69.5 km) path. This circular route traverses through the Parque Natural Posets-Maladeta, demanding good fitness.
  • Local mountain bikers also love the Embalse de Pineta – Espierba Pass loop from Rio Barrosa, a 30.4 miles (48.9 km) trail leading through high-mountain terrain, often completed in about 5 hours 8 minutes.
  • Mountain biking around Bielsa is defined by high-mountain Pyrenean landscapes, glacial valleys, and dense forests. The network offers options for various ability levels, though many routes are challenging.
  • The routes in Bielsa are highly rated by the komoot community with an average score of 4.7 stars from more than 30 reviews. More than 750 mountain bikers have used komoot to explore Bielsa's varied terrain.

Last updated: April 24, 2026

4.0

(8)

144

riders

#1.

Pico Comodoto Loop from Pineta

21.8km

03:15

1,180m

1,170m

This difficult 13.6-mile mountain biking route to Pico Comodoto offers 360-degree panoramic views of the Pineta Valley and Monte Perdido.

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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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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

5.0

(3)

35

riders

39.0km

04:24

1,520m

1,520m

Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.

Hard

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

Hard
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Julien Harté

Tips from the Community

JULIO TENDERO ROSELL
July 27, 2025, Pico Comodoto

Comodoto is one of those less sought-after peaks due to its modest altitude, which doesn't even reach 2,500 meters. However, its location in the Pineta Valley, in a secondary mountain range (the Sierra de Espierba) surrounded by 3,000-meter peaks, offers us an extraordinary vantage point with superb views: Las Tres Marías, La Suca, Collado de Añisclo, Punta Las Olas, the Baudrimonts, Pico Añisclo/Soum de Ramond, Monte Perdido, Cilindro de Marboré, Balcón de Pineta...

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Edwin
July 13, 2023, Ibón de Urdiceto

Here you will find beautiful mountain lakes with spectacular views all around you. Going down the path is the Urdiceto Refuge. Quite small but a refuge when you need it.

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Edwin
July 13, 2023, Chistau Valley

Beautiful valley that is surrounded by peaks between 2,000 and 3,000 meters above sea level, among which Tuca Llardana (or Posets) stands out, which with 3,375 m. It is the second highest peak in the Pyrenees; In addition, it has abundant lakes, such as those of Millares, Barbarisa and Basa de la Mora (or Lake Plan).

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Small swamp at the entrance to the Pineta valley and where it collects the waters of the cirque and the slopes of the mountains overlooking the valley. Quiet space with mountain atmosphere.

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Andriuu Coffi
November 14, 2022, Chistau Valley

Beautiful valley that is surrounded by peaks between 2,000 and 3,000 meters high, among which the Tuca Llardana (or Posets) stands out, which with 3,375 m. it is the second highest peak in the Pyrenees; In addition, it has abundant lakes, such as those of Millares, Barbarisa and Basa de la Mora (or Plan lake).

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Javi
November 9, 2022, Pico Comodoto

This peak, now a classic of cyclo-mountaineering, is a privileged point to observe the vertical walls of the Pineta cirque and its wooded slopes that alternate beech trees with Scots pine and black pine, on the upper levels.

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Javi
November 9, 2022, Collado de Espierba

This pass is a popular crossing point for mountain bike routes. It offers good views of the Pineta Valley and has subalpine vegetation in which forests predominate over meadows due to the slope of the land.

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Its carnival, celebrated since time immemorial, has given international fame to the town. Trangas, onsos, tamers and madamas are some of the characters of a carnival like the one that there is no other like in the whole world.

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Frequently Asked Questions

How many mountain bike trails are available around Bielsa?

There are 14 mountain bike trails around Bielsa listed on komoot, offering a range of challenging routes through the Pyrenean landscapes.

What kind of terrain can I expect on mountain bike trails around Bielsa?

Mountain bike trails around Bielsa feature diverse high-mountain Pyrenean terrain, including dramatic valleys, dense forests, and glacial formations. Many routes are natural, with some sculpted sections, offering a mix of flow, technical challenges, and varied surfaces.

Are there any circular mountain bike routes in Bielsa?

Yes, Bielsa offers several circular mountain bike routes. A notable one is the Bielsa a Ibón de Urdiceto a Valle de Chistau — circular Parque Natural Posets-Maladet, a difficult 43.2-mile path traversing through the Parque Natural Posets-Maladeta.

What are the difficulty levels of mountain bike trails in Bielsa?

The mountain bike trails around Bielsa are predominantly challenging. Out of 14 routes, 11 are rated as difficult, and 3 are moderate. Riders should expect significant elevation gains and technical sections, typical of high-mountain riding.

What natural features or landmarks can I see along the mountain bike trails?

The trails often pass through breathtaking Pyrenean landscapes. You can encounter glacial valleys, dense forests, and imposing peaks. Nearby attractions include the stunning Cirque de Gavarnie with Europe's largest waterfall, the Soaso Steps Waterfalls, and the dramatic Circo de Pineta.

What do other mountain bikers enjoy most about mountain biking in Bielsa?

The area is highly rated by the komoot community, with an average score of 4.7 stars from over 30 reviews. Mountain bikers frequently praise the stunning high-mountain Pyrenean landscapes, the challenging nature of the trails, and the diverse natural features encountered along the routes.

Are there any family-friendly mountain bike trails in Bielsa?

The mountain bike trails around Bielsa are generally challenging, with most routes rated as difficult. While the region offers diverse outdoor activities, specific family-friendly mountain bike trails are not prominently featured in the available data. However, the area is excellent for hiking with routes for all levels.

Can I bring my dog on the mountain bike trails in Bielsa?

The region is part of the Pyrenees, including areas like Ordesa and Monte Perdido National Park. While specific regulations for dogs on mountain bike trails can vary, national parks often have rules regarding pets to protect wildlife. It's advisable to check local park regulations or specific trail guidelines before bringing your dog.

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

Bielsa's high-mountain location means the best time for mountain biking is typically during the warmer months, from late spring through early autumn, when trails are clear of snow and weather conditions are more stable. Winter brings snow sports opportunities, but trails may be inaccessible for biking.

Are there any long-distance mountain bike routes in Bielsa?

Yes, there are several longer routes for experienced riders. For example, the Bielsa a Ibón de Urdiceto a Valle de Chistau — circular Parque Natural Posets-Maladet is a demanding 43.2-mile route, and the Embalse de Pineta – Espierba Pass loop from Rio Barrosa covers 30.4 miles.

Where can I find parking for mountain biking in Bielsa?

Bielsa is a village nestled in the Pyrenees, and parking is generally available within or near the village. For specific trailheads, it's recommended to check the individual route details on komoot, as some routes may have designated parking areas or start points accessible by vehicle.

Are there any routes that offer panoramic views?

Absolutely. The Pico Comodoto Loop from Pineta is a challenging 13.6-mile route specifically noted for offering 360-degree panoramic views of the Pineta Valley and Monte Perdido.

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