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Gravel rides
Spain
Aragon
Huesca
Hoya De Huesca

Agüero

The best gravel rides around Agüero

3.9

(5)

48

riders

6

rides

Gravel biking around Agüero is characterized by its unique geological formations and varied terrain in the Aragonese pre-Pyrenees. The landscape features the prominent reddish rock formations of the Mallos de Agüero and Mallos de Riglos, alongside mountainous areas with an altitude of almost 700 meters. Thick forests, winding roads, and the scenic River Gállego contribute to diverse riding conditions. This combination of rocky outcrops, forested areas, and river valleys provides a dynamic setting for gravel cyclists.

Best gravel bike trails around Agüero

  • The most popular gravel bike trail is Loarre Castle – Peñas de Riglos loop from Riglos, a 22.8 miles (36.8 km) trail that takes 3 hours 6 minutes to complete. This difficult route offers views of historic castles and the dramatic Peñas de Riglos.
  • Another top favourite among local gravel bikers is Mallos de Agüero – Pígalo Pools loop from Agüero, a difficult 60.1 miles (96.8 km) path. This extensive route explores the base of the Mallos de Agüero and leads to the Pígalo Pools.
  • Local gravel bikers also love the View of Mallos de Riglos – Mallos de Agüero loop from Agüero, a 30.2 miles (48.6 km) trail leading through the striking rock formations, often completed in about 3 hours 33 minutes.
  • Gravel biking around Agüero is defined by the towering Mallos de Agüero and Riglos, thick forests, and winding mountain roads. The network offers options for different ability levels, though many routes present significant climbing challenges.
  • The routes in Agüero are highly rated by the komoot community with an average score of 3.9 stars from 5 reviews. More than 40 gravel bikers have used komoot to explore Agüero's varied terrain.

Last updated: July 2, 2026

3.7

(3)

18

riders

#1.

Loarre Castle – Peñas de Riglos loop from Riglos

36.8km

03:06

870m

860m

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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Alvaro Hernandez

Tips from the Community

Hans 🌄 🌻🚐🙋‍♂️🚴🚶‍➡️
September 24, 2025, Castillo de Loarre

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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The city is home to artistic treasures such as the Romanesque Church of El Salvador and the 12th-century Church of Santiago. The latter, located one kilometer from the city, has been declared a National Monument and is one of the most beautiful Romanesque temples in Aragon.

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The castle contains elements of Romanesque architecture and has Bien de Interés Cultural status, which indicates its importance to the Spanish architectural heritage.

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2

0

Frequently Asked Questions

How many gravel bike trails are available around Agüero?

There are several challenging gravel bike routes around Agüero, with komoot offering 6 distinct tours. These routes are generally considered difficult, offering significant elevation gains and distances for experienced riders.

What are the main natural features I'll encounter on gravel rides in Agüero?

Gravel biking in Agüero is defined by the dramatic Mallos de Agüero and the nearby Peñas de Riglos, spectacular reddish rock formations that dominate the landscape. You'll also ride through thick forests, along winding mountain roads, and near the scenic River Gállego, all contributing to a diverse and engaging experience.

Are there any long-distance gravel routes for experienced riders?

Yes, Agüero offers routes for those seeking a significant challenge. The "Mallos de Riglos – Peñas de Riglos loop from Agüero" is a particularly long and demanding option, covering over 140 km with more than 2700 meters of elevation gain. Another substantial ride is the "Mallos de Agüero – Pígalo Pools loop from Agüero", which spans nearly 100 km and features almost 2000 meters of climbing.

What kind of views can I expect on these gravel trails?

The routes around Agüero offer breathtaking panoramic views, especially of the iconic Mallos de Agüero and Mallos de Riglos. You can also expect vistas of the surrounding mountainous terrain, forested valleys, and the River Gállego. The "View of Mallos de Riglos – Mallos de Agüero loop from Agüero" is specifically designed to showcase these impressive rock formations.

Are there any historical landmarks or castles accessible by gravel bike?

Absolutely. The region is rich in history. You can explore routes that pass by or lead to historic sites such as Marcuello Castle and Biel Castle. The "Loarre Castle – Peñas de Riglos loop from Riglos" offers a chance to see the impressive Loarre Castle, a significant medieval fortress in the area.

What is the best time of year for gravel biking in Agüero?

The spring and autumn months generally offer the most pleasant conditions for gravel biking in Agüero, with milder temperatures and less extreme weather. Summers can be hot, while winters may bring colder temperatures and potentially snow at higher elevations, making some routes more challenging or inaccessible.

Are there any circular gravel bike routes around Agüero?

Yes, many of the gravel routes in Agüero are designed as loops, allowing you to start and finish in the same location. Examples include the "Loarre Castle – Peñas de Riglos loop from Riglos" and the "Mallos de Riglos – Peñas de Riglos loop from Agüero", providing convenient options for exploring the area.

What do other gravel bikers enjoy most about the trails in Agüero?

The area is highly rated by the komoot community, with an average score of 3.9 stars. Reviewers often praise the spectacular scenery of the Mallos, the challenging and rewarding climbs, and the sense of adventure found on the diverse gravel paths through forests and mountains.

Are there any viewpoints along the gravel routes to stop and admire the scenery?

Yes, the region is dotted with excellent viewpoints. The Camino del Cielo - Panoramic View offers stunning vistas, and the Vulture Viewpoint (Mirador de los Buitres) provides an opportunity to observe local wildlife amidst the dramatic rock formations. Many routes naturally offer elevated perspectives of the Mallos and surrounding landscapes.

What other outdoor activities are available near Agüero besides gravel biking?

Beyond gravel biking, Agüero and its surroundings are a hub for outdoor enthusiasts. The Mallos are popular for climbing and abseiling. Hiking is also prominent, with options like the Al-Foraz cave and sections of the GR1 Historical trail. For water sports, the nearby River Gállego in Murillo de Gállego offers rafting and kayaking opportunities.

Are there any routes that specifically showcase the Mallos de Agüero?

Yes, several routes are designed to highlight these unique geological formations. The "View of Mallos de Riglos – Mallos de Agüero loop from Agüero" offers excellent perspectives of both the Mallos de Riglos and the Mallos de Agüero, immersing you in the region's most iconic natural landmarks.

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