4.9
(9)
165
riders
28
rides
Mountain biking around Santa Marta Del Cerro offers routes through a landscape characterized by rivers, historic paths, and the northern part of the Sierra de Guadarrama Natural Park. The terrain includes varied elevations, from river valleys to more challenging climbs within the natural park. This region provides a mix of moderate and difficult mountain bike trails, suitable for riders seeking diverse experiences.
Last updated: June 28, 2026
11
riders
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
32.1km
02:26
280m
280m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

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5.0
(1)
37
riders
58.5km
05:05
880m
880m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.
5.0
(1)
18
riders
65.1km
05:53
1,040m
1,040m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.
12
riders
52.0km
05:06
1,040m
1,030m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
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Just a note, the river is not called Castilla, it is the Caslilla.
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San Pedro de Gaíllos is a town located at the entrance to the great plains in the north of the province of Segovia. The town, with its church as its flag, governs the core.
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Beautiful town especially for the views offered by the set of mountains around the area that give it a special atmosphere, especially in the winter months when it is snowy!
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Picturesque road that runs along the San Juan River near the town of Castroserna de Abajo
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Between Prádena and Castroserna de Abajo we come across the abandoned neighborhood of Matandrino. A place dedicated to livestock.
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Between the towns of Casla and Santa Marta del Cerro we find ourselves rolling along a wide dirt road that connects both towns passing through a beautiful spot, near the Castilla River.
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Nice picture of the San Juan river from the town of Castroserna de Abajo.
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Beautiful picture near the town of Castroserna de Abajo when we travel the rural roads of the province of Segovia. Passage area of the 3rd mountain bike route of the Commonwealth Municipalities of the Sierra.
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Mountain biking around Santa Marta Del Cerro features diverse terrain, including river valleys and more challenging climbs within the northern part of the Sierra de Guadarrama Natural Park. You'll encounter historic paths like the Cañada Real Soriana Occidental, offering a mix of landscapes.
Yes, while the region offers many moderate and difficult routes, there are 3 easy mountain bike trails available. These are ideal for those new to mountain biking or looking for a more relaxed ride.
Yes, several circular routes are available. A notable one is the Rio Castilla, Cañada Real Soriana Occidental and Rio San Juan — circular from Castroserna de Abajo, which is a moderate 35.6 km trail. Another option is the more challenging San Pedro de Gaíllos – San Juan River loop from San Pedro de Gaíllos, spanning 58.5 km.
For experienced riders seeking a challenge, routes like the San Pedro de Gaíllos – San Juan River loop from San Pedro de Gaíllos, a 58.5 km difficult trail with 881m of elevation gain, offer a demanding experience. Another difficult option is the Puerto de La Acebeda – Arcones loop from Prádena, covering 52.0 km with over 1000m of ascent.
The trails often pass through scenic river valleys and the Sierra de Guadarrama Natural Park. You can also explore nearby attractions such as the historic Talcano Bridge, the charming settlement of Sepúlveda, or natural features like the Robregordo Holly Forest and Vulture Cliff.
Yes, the area is rich in natural beauty. You can find the Robregordo Holly Forest and the Acebal de Prádena, both offering unique forest environments. The impressive Hoces del Duratón Natural Park, known for its gorges, is also nearby.
The mountain bike routes in Santa Marta Del Cerro are highly rated by the komoot community, with an average score of 4.8 stars from over 7 reviews. Riders often appreciate the varied terrain, scenic river paths, and the natural park environment.
There are 18 mountain bike trails documented around Santa Marta Del Cerro, offering a wide range of options for different skill levels.
A popular moderate option is the San Juan River Route. This 32.1 km path follows the course of the San Juan River, providing a scenic ride with an elevation gain of approximately 280m.
Yes, routes like the Rio Castilla, Cañada Real Soriana Occidental and Rio San Juan — circular from Castroserna de Abajo incorporate sections of the historic Cañada Real, offering a glimpse into the region's past.
The longest trail listed is the San Pedro de Gaíllos – San Juan River loop from San Pedro de Gaíllos, which is a difficult 58.5 km route, typically completed in about 5 hours and 5 minutes.


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