4.3
(4)
48
riders
7
rides
Gravel biking around Santa Eulalia De Gállego offers varied terrain within the Aragonese Pre-Pyrenees, characterized by dramatic geological formations and diverse ecosystems. The region features spectacular reddish conglomerate rock formations like the Mallos de Riglos and Mallos de Agüero, providing a unique backdrop for rides. Routes often follow the Gállego River Valley and traverse the foothills of the Pyrenees, presenting a mix of paths, tracks, and roads with varied elevations. This landscape of red and ochre rocks, blue waters, and…
Last updated: July 2, 2026
3.7
(3)
18
riders
36.8km
03:06
870m
860m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
9
riders
96.8km
08:50
1,940m
1,940m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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4
riders
58.2km
04:56
970m
970m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
7
riders
142km
11:32
2,760m
2,760m
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.
4
riders
62.8km
04:44
1,110m
1,110m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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After hiking and climbing, you can stop here for a very good meal and be pampered culinarily.
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With this backdrop, the town disappears completely from view, yet there are several terraces with music to relax and enjoy.
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In 2021, Castillo de Loarre was named the most beautiful castle in Spain. It is a magnificent Romanesque castle, the oldest parts of which date back to the early 11th century. This makes it one of the oldest surviving castles in Spain.
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Although there is much to see in the area, Ayerbe, with approximately 1100 inhabitants, has little character.
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You must walk around the alleys of Agüero, and there is a magnificent view of the Mallos de Agüero.
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The Donjon has no fewer than 5 floors and can be admired in several films.
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The Castle of Loarre is a monastic fortress built from the year 1019. The castle is considered one of the most beautiful in Spain and has enjoyed heritage protection since 1906.
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The impressive remains are located approximately 250 metres north of the Marcuello castle.
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There are 6 gravel bike trails documented around Santa Eulalia De Gállego on komoot, all of which are rated as difficult. These routes offer challenging rides through the Aragonese Pre-Pyrenees.
The terrain is diverse, featuring a mix of paths, tracks, and roads with varied elevations. You'll encounter dramatic geological formations like the Mallos de Riglos and Mallos de Agüero, the Gállego River Valley, and the foothills of the Pyrenees. The landscape is characterized by red and ochre rocks, blue waters, and green forests, suitable for gravel bikes with tires of at least 40 millimeters.
Yes, for a significant challenge, consider the Mallos de Agüero – Pígalo Pools loop from Agüero. This extensive route is 96.8 km long with nearly 2000 meters of elevation gain, showcasing the region's wild landscapes over approximately 10 hours of riding.
Many routes offer stunning views of the iconic Peñas de Riglos and Mallos de Agüero. You can also find panoramic vistas from points like the Camino del Cielo - Panoramic View, offering breathtaking perspectives of the unique geological formations.
Absolutely. The region is rich in history. For example, the Loarre Castle – Peñas de Riglos loop from Riglos offers views of the historic Marcuello Castle, strategically perched with spectacular views. The area also features charming Romanesque churches and villages like Agüero.
The best seasons for gravel biking in this region are generally spring and autumn. During these times, temperatures are more favorable, and there is typically less rainfall, making for more enjoyable riding conditions.
Yes, many of the routes are designed as loops. For instance, the Peñas de Riglos – Mallos de Riglos loop from Ayerbe is a popular circular trail covering 58.2 km through the iconic Mallos de Riglos.
The gravel biking routes in Santa Eulalia De Gállego are highly rated by the komoot community, with an average score of 4.0 stars. Reviewers often praise the dramatic geological formations, the challenging terrain, and the stunning panoramic views that make each ride a unique experience.
Yes, the View of Mallos de Riglos – Mallos de Agüero loop from Agüero is a 48.6 km route that provides excellent perspectives of both impressive rock formations, offering a comprehensive scenic experience.
All the documented gravel routes in Santa Eulalia De Gállego are rated as difficult. They involve significant elevation gains and varied terrain, so a good level of fitness and advanced riding skills are recommended for these challenging sections.
Beyond the famous Mallos, you might also explore areas like Aguarales de Valdemilaz, which features unique geological formations. The region's landscape is a result of millions of years of water erosion on limestone rock, creating many fascinating natural features.
Yes, the area is known for its rich birdlife. The Riglos Griffon Vulture Viewing Area is a specific highlight where you can observe these magnificent birds in their natural habitat, often soaring above the towering rock formations.


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