4.4
(41)
1,031
riders
55
rides
Mountain biking around San Martín De Valdeiglesias offers diverse landscapes within the Sierra Oeste of Madrid. The region features well-preserved natural environments, including extensive pine forests and the San Juan and Picadas Reservoirs. Trails often follow the Alberche River, providing varied terrain for mountain bikers. This area is known for its natural features and suitability for outdoor activities.
Last updated: May 12, 2026
4.5
(4)
93
riders
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
85
riders
51.8km
05:09
1,250m
1,250m
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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5.0
(3)
47
riders
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.
4.3
(3)
39
riders
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
4.3
(3)
37
riders
45.3km
04:34
1,080m
1,080m
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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The Picadas Dam is a hydraulic structure located on the Alberche River, which forms the reservoir of the same name. Surrounded by a natural environment of great beauty, it stands out for its rugged landscapes, pine forests, and calm waters, making it an ideal point of interest to enjoy nature in the Sierra Oeste of Madrid.
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The Embalse de Picadas is a natural enclave located on the course of the Alberche river, surrounded by pine forests and steep slopes that create a landscape of great beauty. Its calm waters and uncrowded environment make it an ideal place to enjoy nature in the Sierra Oeste of Madrid.
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The moraine that maintains the beauty of the lake.
12
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This is one of the nicest spots on the lake, with a small beach and a free parking lot above.
11
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beautiful view of the lake, nice beach
12
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Beautiful view of the harbor.
14
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San Martín de Valdeiglesias offers a wide selection of mountain bike trails, with over 50 routes available for exploration. These trails cater to various skill levels, from easy to difficult.
Yes, the area provides trails for every skill level. You'll find 3 easy routes, 31 moderate routes, and 24 difficult routes, ensuring options for beginners, intermediate riders, and experienced mountain bikers alike.
The terrain is diverse, reflecting the region's natural features. You can expect routes through the mountainous Sierra Oeste, picturesque pine forests, and trails that follow the Alberche River. Many routes also offer views of the San Juan and Picadas Reservoirs. Some trails, like the Río Alberche – Descent of the Losa loop from San Juan, feature significant descents and river valley sections.
Yes, many routes in San Martín de Valdeiglesias are circular. For example, the popular Embalse de Picadas – Picadas Reservoir loop from San Martín de Valdeiglesias is a moderate 33.5-mile (53.9 km) circular trail offering scenic views of the Picadas Reservoir.
For experienced riders seeking a challenge, the Pristine new beach – San Martín de Valdeiglesias loop from Pelayos de la Presa is a difficult 22.0-mile (35.4 km) route that includes sections near the San Juan Reservoir. Another demanding option is the Labores Stream Pool – San Juan Ridge loop from San Martín de Valdeiglesias, which covers over 51 km with significant elevation changes.
The area is highly rated by the komoot community, with an average score of 4.4 stars from over 30 reviews. Mountain bikers often praise the varied terrain, the beautiful natural environments including the reservoirs and pine forests, and the options available for different skill levels.
While specific 'family-friendly' routes are not explicitly detailed, the region offers 3 easy routes that could be suitable for families or those looking for a more relaxed ride. The Alberche Greenway, a cycleway built on an old railway line, also provides a scenic and potentially gentler path.
Many trails offer views of the extensive San Juan and Picadas Reservoirs. You might also encounter the Alberche Greenway, a scenic cycleway. Other notable natural features in the broader area include the El Abuelo Chestnut Tree (Castañar de El Tiemblo) and various pine forests.
Yes, parking is generally available in and around San Martín de Valdeiglesias, especially near popular trailheads and the reservoirs. Many routes, such as the Embalse de Picadas – Picadas Reservoir loop, start directly from San Martín de Valdeiglesias, where parking options can be found.
The Sierra Oeste region, where San Martín de Valdeiglesias is located, experiences hot summers and cooler winters. Spring and autumn generally offer the most pleasant conditions for mountain biking, with milder temperatures and beautiful scenery. During summer, it's advisable to ride early in the morning or late in the afternoon to avoid the midday heat.
Beyond the trails, you can explore the medieval Castillo de la Coracera, which dates back to the 13th century, located in San Martín de Valdeiglesias itself. The region is also part of the Madrid Designation of Origin wine region, offering opportunities for wine tourism and tastings at local wineries.
While many natural areas in Spain are dog-friendly, it's always recommended to check local regulations for specific trails or protected areas regarding dogs, especially concerning leash requirements and waste disposal. Generally, dogs are welcome on trails as long as they are kept under control.


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