4.2
(132)
837
hikers
18
hikes
Hiking around San Martín De Valdeiglesias offers diverse landscapes in Madrid's Sierra Oeste, characterized by striking granitic rock formations and the presence of the Alberche and Cofio rivers. These rivers feed into significant reservoirs, including the Embalse de San Juan and Embalse de Picadas. The region features varied vegetation, from cork oak and pine forests in the mountainous north to Mediterranean scrubland in the central and southern parts. This area provides a blend of mountainous and fluvial environments for outdoor…
Last updated: May 12, 2026
4.5
(44)
181
hikers
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
1.0
(1)
7
hikers
5.74km
01:42
160m
160m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

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4.0
(5)
18
hikers
10.2km
02:58
240m
240m
Hard hike. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
9
hikers
19.6km
05:24
290m
290m
Hard hike. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
4
hikers
8.61km
02:23
150m
150m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
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The Alberche River is one of the main watercourses in the Sierra Oeste of Madrid, shaping landscapes of great natural value. As it passes through the area, it creates wooded riverbanks, natural beaches, and spaces of great beauty, being a key element in the environment of the routes and an ideal place to enjoy nature.
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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 Cistercian monastery of Pelayos de la Presa is the oldest monastic complex in Madrid. It dates back to the 12th century, and although it was renovated in the 15th, its abandonment after the confiscation of Mendizabal has caused its current state.
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At this point the Alberche River is crossed just below the San Juan reservoir dam. Usually the river carries a lot of water and the bed flows calmly, creating a very pleasant environment.
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San Martín de Valdeiglesias is the capital of the Sierra Oeste de Madrid, in the foothills of the Sierra de Guadarrama. It is the epicenter of a multitude of outdoor activities and among its monuments is the Coracera castle, originally from the 15th century, this medieval fortress was owned by Álvaro de Luna himself.
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San Martín De Valdeiglesias offers a diverse network of over 15 hiking trails. These routes cater to various fitness levels, including 3 easy trails, 11 moderate trails, and 4 more challenging options, ensuring there's something for everyone.
The region boasts a unique blend of mountainous and fluvial environments. You'll encounter striking granitic rock formations, the scenic Alberche and Cofio rivers, and significant reservoirs like the Embalse de San Juan and Embalse de Picadas. The vegetation varies from cork oak and pine forests in the north to Mediterranean scrubland in the central and southern parts.
Yes, there are several easy trails perfect for families. One popular option is The Route of the Coves loop from Pelayos de la Presa, which is an easy 5.7 km path skirting small coves and offering relaxing views. The Vía Verde de Alberche also provides gentle gradients suitable for all ages.
Hikers can explore a variety of natural and historical attractions. The Alberche Greenway, which follows an old railway line, offers scenic views. You might also encounter the impressive Picadas Reservoir or the historic Castillo de la Coracera. For unique natural features, look out for the granitic rock formations characteristic of the area.
Yes, many routes in the area are circular, allowing you to start and end in the same location. An example is San Martín de Valdeiglesias loop from San Martín de Valdeiglesias, a moderate 13.4 km trail that offers a comprehensive experience of the local scenery.
The area is highly rated by the komoot community, with an average score of 4.2 stars from over 100 reviews. Hikers often praise the diverse terrain, from riverine landscapes to pine forests, and the picturesque views of the reservoirs. The well-marked paths and variety of difficulty levels are also frequently highlighted.
Absolutely. Much of the area is designated as a Special Protection Area for Birds (ZEPA) and a Site of Community Interest (LIC), part of the Natura 2000 network. This makes it an excellent spot for birdwatching, with species like the Iberian Imperial Eagle, Black Vulture, and Black Stork finding sanctuary here.
While specific public transport connections to every trailhead can vary, San Martín de Valdeiglesias itself is accessible by bus from Madrid. From the town, you may need to walk or arrange local transport to reach some of the more remote starting points. It's advisable to check local bus schedules in advance.
Yes, the Embalse de San Juan (San Juan Reservoir) is particularly notable as one of the few places in the Community of Madrid where swimming is permitted, even boasting a Blue Flag beach. This makes it an ideal spot to cool off and relax after a hike.
The region offers pleasant hiking conditions for much of the year. Spring and autumn generally provide the most comfortable temperatures and vibrant scenery. Summer can be warm, especially at midday, so early morning or late afternoon hikes are recommended. Winter hiking is also possible, with cooler temperatures and a different kind of natural beauty.
Yes, for experienced hikers seeking a challenge, there are difficult routes available. For example, the Río Alberche – Picadas Reservoir loop from San Juan is a challenging 19.6 km trail that takes around 5 hours 23 minutes to complete, offering significant elevation changes and rewarding views.
Parking is generally available near the main trailheads and in the towns and villages that serve as starting points for hikes, such as San Martín de Valdeiglesias and Pelayos de la Presa. It's always a good idea to check specific route descriptions for detailed parking information.


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