5.0
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23
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4
rides
Gravel biking around El Hornillo, located in the Sierra de Gredos region of Ávila, Spain, offers routes through dramatic mountainous terrain. The area is characterized by dense forests, deep ravines, and towering mountain crests, providing significant elevation changes. Extensive pine woods and prominent geological formations, such as Los Galayos, define the landscape. This region is well-suited for challenging no traffic gravel bike trails.
Last updated: May 20, 2026
6
riders
66.9km
06:05
1,580m
1,580m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
3
riders
19.9km
01:52
520m
520m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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5
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
3
riders
36.2km
02:45
910m
910m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around El Hornillo
The Pedro Bernardo Pass is one of the classic climbs in the Sierra de Gredos mountains, highly prized by cyclists and a regular feature of races like the Vuelta a España. First section: Up to the village (Pedro Bernardo), with gradients of 5-6%, a road in good condition, and spectacular views of the Tiétar Valley. Urban section: In the village, the gradient eases, even offering some flatter sections. Second section: After the village, the asphalt becomes rougher, and the toughest kilometer (7-8%) appears, followed by a "balcony" section with incredible views and a sustained 5% gradient to the summit.
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What to see in El Arenal Church of San Bartolomé A 16th-century building with Gothic and Renaissance details. It houses Baroque altarpieces and religious paintings. A place full of history and architectural beauty. "Entre Ríos" Walk and Starry Viewpoint A stroll alongside the murmur of the water and a perfect viewpoint to contemplate the Gredos landscape. Natural Pools Charco Nogales and Charco de Najarro are ideal for cooling off in summer. The Arenal River forms crystal-clear pools where swimming is a unique experience. Traditional Architecture Still streets, typical balconies, and stone houses with large chimneys. Neighborhoods like La Corrala and Los Balcones preserve their traditional essence.
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El Arenal is a beautiful mountain village in the Tiétar Valley, within the Sierra de Gredos Regional Park, ideal for lovers of nature, traditional architecture and tranquility.
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This village is located in the Sierra de Gredos mountains (Ávila) and is famous for its natural surroundings, the Castle of Constable Dávalos, the Mosquera Palace, and the Eagle Caves. It is also ideal for hiking and rural tourism.
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Mombeltrán Castle is situated in a beautiful spot in the Sierra de Gredos mountains, just south of the Puerto del Pico Pass (altitude 1352 m).
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It's a very quiet pass with hardly any traffic, especially in its final section. The eastern slope, which starts from Arenas De San Pedro, has two very distinct sections. The first, to the village of El Arenal, is very gentle and always runs under an extensive pine forest. When you reach El Arenal, in the village itself, the gradient increases, and then there are 6 km left with an average gradient of 7% and some 10% slopes. The views from the pass are beautiful and it exudes a spiritual tranquility. In summer, it's highly recommended to climb it early in the morning to take advantage of the cool morning air. The western slope connects with the climb to Puerto del Pico, and the climb begins in Ramacastañas. Although not as well-known as other passes in the Sierra de Gredos, I have to admit that I loved it. Here's the link to visit the altimetry created by @cyclingcols, the best at this --> cyclingcols.com/col/Centenera
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A beautiful port away from traffic, without steep slopes (it only becomes more difficult in the final section).
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Pleasantly surprised with the trails in the area
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This guide features 4 challenging no-traffic gravel bike trails around El Hornillo, all starting from Arenas de San Pedro. These routes are designed for experienced riders looking for significant elevation changes and technical terrain.
The no-traffic gravel routes highlighted in this guide are generally considered difficult, featuring significant elevation gains and varied terrain suitable for experienced gravel bikers. For example, the La Pichona loop from Arenas de San Pedro, while shorter at just under 20 km, still involves over 500 meters of ascent.
The trails around El Hornillo, situated within the Gredos Regional Park, offer a dramatic mountainous landscape. You'll ride through dense pine woods, deep ravines, and experience significant elevation changes. Expect stunning views of towering mountain crests and diverse flora, characteristic of the Sierra de Gredos.
Yes, all the no-traffic gravel bike trails in this guide are circular routes, allowing you to start and finish at the same point. For instance, the Puerto de Pedro Bernardo – Mombeltrán loop from Arenas de San Pedro is a challenging 67 km circular tour.
While riding these trails, you'll encounter breathtaking views of the Sierra de Gredos. Keep an eye out for highlights such as the View of the Sierra de Gredos. You might also pass near historical sites like the Castle of Arenas de San Pedro or the Castle of the Constable Dávalos, adding cultural interest to your ride.
The Sierra de Gredos region, where El Hornillo is located, experiences distinct seasons. Spring and autumn generally offer the most pleasant temperatures for gravel biking, with lush landscapes in spring and vibrant colors in autumn. Summer can be hot, especially at lower elevations, while winter may bring snow to higher mountain passes like Puerto del Peón, making some routes more challenging or inaccessible.
Given that all routes in this guide are rated as 'difficult' and feature significant elevation gains and distances, they are generally not recommended for families with young children or beginner riders. These trails are best suited for experienced gravel bikers seeking a challenging adventure.
Many of the routes in this guide, such as the Centenera Pass – Aquelcabos Medieval Bridge loop, start from Arenas de San Pedro. This town typically offers various parking options, including public car parks, which serve as convenient starting points for exploring the surrounding gravel trails.
The komoot community highly rates the gravel biking experience around El Hornillo, with an average score of 5.0 stars. Riders often praise the challenging nature of the routes, the stunning mountain scenery of the Sierra de Gredos, and the peaceful, traffic-free environment that allows for an immersive outdoor adventure.
While general cycling is permitted on designated trails and roads within the Sierra de Gredos Regional Park, it's always advisable to check the latest regulations from the park authorities, especially concerning protected areas or specific routes. Adhering to 'leave no trace' principles is essential to preserve the natural beauty of the park.
Yes, as many of the routes begin in Arenas de San Pedro, you'll find various amenities there, including cafes and restaurants where you can refuel before or after your ride. El Hornillo itself also has local establishments like Bar As de Copas and El Tejar de Canchola, offering places to stop.


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