4.3
(4)
48
riders
4
rides
Gravel biking around Santa Eulalia De Gállego offers routes through the dramatic landscapes of the Aragonese Pre-Pyrenees, within the "Reino de los Mallos." The region is characterized by towering conglomerate rock formations like the Mallos de Riglos, the Gállego River valley, and the foothills of the Sierra de Santo Domingo. This varied terrain provides a mix of riverbanks, mountain foothills, and rural paths, suitable for challenging no traffic gravel bike trails.
Last updated: July 16, 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.
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Popular around Santa Eulalia De Gállego
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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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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Narrow and natural gorge.
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This guide features 3 dedicated no-traffic gravel bike trails, offering diverse experiences through the region's stunning landscapes. These routes are designed to keep you away from vehicular traffic, allowing for a more immersive natural experience.
The terrain around Santa Eulalia De Gállego is quite varied, ranging from riverbank paths along the Gállego River to more challenging climbs in the foothills of the Sierra de Santo Domingo. You'll encounter a mix of gravel roads, rural paths, and some sections with more rugged surfaces, all set against the dramatic backdrop of the Mallos de Riglos and other geological formations.
Yes, the routes in this guide are generally considered challenging. For instance, the Mallos de Agüero – Pígalo Pools loop from Agüero is a demanding ride covering nearly 97 km with almost 2000 meters of elevation gain, perfect for experienced gravel bikers seeking a significant adventure.
Many trails offer spectacular views of the iconic Mallos de Riglos. You might also pass by historical sites such as Marcuello Castle, which provides panoramic views over La Galliguera, or the Romanesque Church of El Salvador near the Mallos de Agüero. The Loarre Castle – Peñas de Riglos loop from Riglos, for example, offers glimpses of the impressive Loarre Castle and the Peñas de Riglos.
The region is generally pleasant for gravel biking from spring through autumn. Spring brings lush greenery and comfortable temperatures, while autumn offers cooler weather and beautiful fall colors. Summers can be hot, so early morning or late afternoon rides are recommended during those months. Always check local weather forecasts before heading out.
Yes, all the routes featured in this guide are circular, allowing you to start and finish at the same point. This makes planning your ride and logistics, such as parking, much simpler. Examples include the Peñas de Riglos – Mallos de Riglos loop from Ayerbe.
While Santa Eulalia De Gállego is a small town, it is generally best accessed by car, especially when bringing a gravel bike. Public transport options might be limited, so planning your journey in advance and checking regional bus schedules is advisable if you intend to use it. Many visitors choose to drive to the area and base themselves there for cycling adventures.
Parking is typically available in or near the main villages that serve as starting points for these routes, such as Riglos, Agüero, or Ayerbe. Look for designated parking areas or consult local signage. Since the routes are circular, you can conveniently park your vehicle and return to it after your ride.
While the trails themselves are often remote and traffic-free, you'll find cafes, restaurants, and small shops in the villages you pass through or start from, such as Santa Eulalia De Gállego itself, Riglos, Agüero, or Ayerbe. It's always a good idea to carry sufficient water and snacks, especially on longer routes, as services might be sparse between towns.
The area is highly rated by the komoot community, with an average score of 4.0 stars. Reviewers often praise the breathtaking views of the Mallos, the quiet and traffic-free nature of the trails, and the sense of adventure offered by the varied terrain. The dramatic landscapes and challenging climbs are frequently highlighted as key attractions.
The routes in this guide are generally rated as 'difficult' due to their distance and elevation gain, making them more suitable for experienced riders. However, the region offers many smaller, less demanding paths and rural roads that could be explored by families with younger or less experienced riders. Always check the specific route details for distance, elevation, and terrain to ensure it matches your family's capabilities.


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