5.0
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62
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14
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No traffic gravel bike trails around Cadalso De Los Vidrios are found within the Sierra Oeste of Madrid, characterized by a blend of olive groves, vineyards, and dry fields alongside extensive tree vegetation. The terrain includes granite formations like Peña de Muñana and native forests in Valle de Tórtolas, offering varied elevations and unpaved tracks. Pine forests, juniper groves, and traditional Vías Pecuarias contribute to a diverse landscape suitable for gravel biking.
Last updated: July 15, 2026
8
riders
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
6
riders
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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4
riders
54.7km
04:14
920m
920m
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.
6
riders
126km
10:29
2,790m
2,790m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4
riders
56.3km
04:02
650m
650m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Beautiful and easy path along the Alberche river.
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La Presa de Picadas is a hydraulic infrastructure located on the Alberche River, which gives rise to 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 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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phenomenal
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Beautiful views in this secluded spot
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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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The no-traffic gravel bike trails in the Cadalso de los Vidrios area offer a diverse range of terrain. You'll encounter unpaved tracks through extensive pine forests and juniper groves, especially in areas like Peña Muñana and Valle de Tórtolas. Many routes follow traditional Vías Pecuarias (livestock trails) such as the Cañada de Talavera, which are typically unpaved and offer a classic gravel experience. Expect a mix of gravel, dirt, and some rocky sections, reflecting the Sierra Oeste's mountainous and hilly character.
While many routes in the area are moderate to difficult, the region does offer sections suitable for families. The Alberche Greenway, for instance, provides a wonderful, mostly flat path created from old railway sections, ideal for a relaxed family ride away from traffic. For a slightly longer, moderate option, consider the Picadas Reservoir loop from San Martín de Valdeiglesias, which offers scenic views and a good mix of terrain, though it requires some endurance.
Parking is generally available in and around the main towns like Cadalso de los Vidrios and San Martín de Valdeiglesias, which serve as common starting points for many routes. For trails leading to natural areas, look for designated parking spots near trailheads or popular attractions like the Picadas Reservoir or the San Juan Reservoir Marina. Always check local signage for any restrictions.
The region is rich in natural beauty and historical sites. You can ride towards the Puerto de Casillas, which offers extensive views of the Valle de Iruelas Nature Reserve and the Burguillo Reservoir. The Picadas Reservoir and San Juan Reservoir Marina are also beautiful spots for a break. The historic Peña de Muñana, a granite formation that once served as a Moorish watchtower, provides significant views and is often accessible via gravel tracks.
Yes, many of the no-traffic gravel routes in the area are designed as loops, allowing you to start and finish in the same location. An example is the Embalse de Picadas – Picadas Reservoir loop from Pelayos de la Presa, which offers a substantial ride through varied landscapes. Another option is the San Martín de Valdeiglesias – Coracera Castle loop, providing a scenic tour around the historic castle.
The best times for quiet gravel biking in Cadalso de los Vidrios are typically spring (April-May) and autumn (September-October). During these seasons, the weather is generally mild and pleasant, and the trails are less crowded than in peak summer. Winter can also offer very quiet rides, especially on weekdays, but be prepared for cooler temperatures and potentially muddy sections after rain.
While many routes venture into natural, less populated areas, you'll find opportunities for refreshments in the towns and villages that serve as starting or ending points, such as Cadalso de los Vidrios, San Martín de Valdeiglesias, or Pelayos de la Presa. It's always a good idea to carry sufficient water and snacks, especially on longer routes, as amenities can be sparse between settlements.
The no-traffic gravel bike routes in this area vary significantly in length. You can find shorter rides, but many are designed for longer excursions. For example, the Picadas Reservoir loop is around 35 km, while the Picadas Reservoir – Alberche Greenway loop extends to over 54 km. Plan your route according to your fitness level and available time.
Many natural areas and trails in the Sierra Oeste region are dog-friendly, provided your dog is well-behaved and kept under control, ideally on a leash. When riding through protected areas or near livestock, it's crucial to keep your dog close to prevent disturbing wildlife or farm animals. Always check specific regulations for any nature reserves you plan to enter, such as the Valle de Iruelas, which may have stricter rules.
For gravel biking in this region, it's advisable to bring a repair kit (spare tube, pump, tire levers), plenty of water, and snacks, as services can be infrequent. Sun protection (sunscreen, hat, sunglasses) is essential, especially during warmer months. A helmet is mandatory, and comfortable cycling attire is recommended. Given the varied terrain, a GPS device or a loaded komoot app is highly useful for navigation.
Yes, the Sierra Oeste region offers several challenging options for experienced gravel bikers. Routes like the Picadas Reservoir – Alberche Greenway loop from Pelayos de la Presa, with its significant elevation gain and longer distance, provide a demanding ride. The hilly terrain and extensive unpaved sections, particularly around Peña de Muñana, can offer a rigorous workout for those seeking a more advanced adventure.


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