16
riders
5
rides
Gravel biking around Casillas, located in Ávila, Castille and León, Spain, offers diverse landscapes for cyclists. The region features rural roads with good surfaces and comfortable tracks, suitable for varied skill levels. Riders can expect to encounter varied vegetation, including broom scrub, holm oaks, and olive and fig trees, alongside the Santa María River and the Charca de Casillas reservoir. The terrain includes rolling hills and historical elements such as the Roman-style Rivero Bridge and old flour mills.
Last updated: May 23, 2026
4
riders
24.6km
01:53
260m
260m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
2
riders
31.1km
02:15
310m
310m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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3
riders
23.0km
01:55
560m
570m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5
riders
42.9km
03:21
1,020m
1,020m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
1
riders
43.5km
03:06
500m
500m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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phenomenal
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1
A nice climb from the El Burguillo reservoir. The first part is asphalt in very good condition (as of November 1, 2025), and the second part is a dirt track, also in very good condition. It's a demanding climb; the asphalt section offers some flatter sections, but the dirt track is practically a continuous gradient of around 10%.
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1
Beautiful road alongside the reservoir, very quiet. It has no paved exit.
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Spectacular trail next to the reservoir, with sections of path and some local road
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The Mosquea Bridge is located in La Adrada, Ávila, and is part of the Medieval Bridges Route that crosses the Tiétar River. It's an ideal place to enjoy a peaceful walk surrounded by nature, with views of beautiful holm oaks, pines, and junipers. The route is easy to walk and suitable for almost everyone.
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From this viewpoint, you will enjoy excellent views of the valley, especially for watching the sunrise and sunset. Access is easy and it is a good starting point for various hiking routes in the Sotillo de la Adrada area.
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Gravel biking around Casillas offers a mix of rural roads with good surfaces and comfortable tracks. You'll encounter varied vegetation, including broom scrub, holm oaks, olive, and fig trees, especially along the Santa María River and near the Charca de Casillas reservoir. The terrain features rolling hills and historical elements like ancient bridges and old flour mills.
Yes, for those seeking a challenge, Casillas offers routes with significant elevation gain. For example, the Collado Hut – 8 kilometers of ascent loop from La Adrada is a difficult 32.4 km trail with nearly 1000 meters of ascent, often completed in about 2 hours 53 minutes.
While most routes are moderate to difficult, the region's rural roads and comfortable tracks can be suitable for varied skill levels. For a moderate introduction, consider the Puente Chico – Puente Mosquea loop from Santa María del Tiétar, which is 31.1 km long and navigates through varied terrain near the Santa María River.
The area is rich in historical and natural sights. You can explore the Roman-style Rivero or Capellán Bridge, and the Charca de Casillas reservoir. Natural attractions include the El Abuelo Chestnut Tree (Castañar de El Tiemblo), and the Puente Mosquea. The Puerto de Casillas also serves as an entrance to the Valle de Iruelas Nature Reserve.
Yes, many of the gravel routes around Casillas are designed as loops. A popular moderate option is the La Adrada Castle – Puente Mosquea loop from La Adrada, which is 24.6 km and passes by historical landmarks.
Gravel bikers using komoot often praise the diverse landscapes, the combination of rural roads and comfortable tracks, and the historical elements like ancient bridges and mills. The variety of routes caters to different ability levels, from moderate rides to more challenging ascents.
Yes, for a longer ride, consider the Puente Mosquea – Garganta de Torinas loop from La Adrada. This difficult route spans 43.5 km and features over 500 meters of elevation gain, offering an extended exploration of the region.
While specific public transport options directly to trailheads are limited, Casillas is accessible by bus services from larger towns in the Ávila province. It's advisable to check local bus schedules for connections to Casillas or nearby villages like La Adrada or Santa María del Tiétar, where many routes begin.
Parking is generally available in the towns and villages where many of the routes start, such as La Adrada and Santa María del Tiétar. Look for public parking areas within these communities, which often serve as convenient starting points for your gravel biking adventure.
The region around Casillas, including the Sierra de Gredos foothills, generally offers pleasant conditions for gravel biking during spring and autumn. These seasons provide milder temperatures and lush scenery. Summer can be hot, especially midday, while winter might bring colder temperatures and occasional precipitation, though many trails remain rideable.
Yes, the towns and villages surrounding the gravel biking areas, such as Casillas itself, La Adrada, and Santa María del Tiétar, offer local cafes, bars, and restaurants where you can refuel and relax before or after your ride. These establishments often provide traditional Spanish fare and refreshments.


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