4.6
(730)
7,142
riders
110
rides
Mountain bike trails around Embalse de La Jarosa are situated within the Sierra de Guadarrama, offering a diverse network of routes. The terrain features dense pine and oak forests, with views of the reservoir and surrounding hills. Riders encounter a mix of flowing paths, technical sections, and steep descents, catering to various skill levels. The area is characterized by its natural features, including the "Bosque Plateado" (Silver Forest) and streams like Picazuelo and La Jarosa.
Last updated: July 7, 2026
3.3
(3)
22
riders
41.8km
04:04
1,120m
1,120m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
65.5km
08:16
1,940m
1,940m
This difficult 40.7-mile mountain biking route from La Jarosa explores the Sierra de Guadarrama, featuring reservoirs and the Camino del Ing

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3
riders
38.0km
04:04
1,110m
1,110m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
24
riders
35.6km
03:49
1,210m
1,210m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
5.0
(1)
16
riders
37.0km
03:19
1,130m
1,130m
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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At this crossroads you will have some beautiful views of Peñas Blancas.
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A tremendously short but steep and demanding climb. In almost 5km, we climb 400m. It's rocky and difficult to complete the entire climb on a bike. Quite a challenge!
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The municipality of Guadarrama is located on the N-VI highway of the Community of Madrid, in the Sierra de Madrid, an area comprised in the shape of an arc from El Escorial to El Boalo with the A-6 as its axis. Given its geographical location, adjacent to the Sierra de Guadarrama National Park, it has great natural wealth.
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At this height where the Lobos ravine begins we will have spectacular views of the Jarosa pine forests and its reservoir. If the day is clear we will also be able to see the Valmayor Reservoir and part of the peaks of the Guadarrama mountain range.
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Famous source of very fresh water located on the forest track that goes up to Alto del León from the town of Guadarrama.
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The Gudillos is one of the tributaries of the Moros River. The source of this riverbed is located in the vicinity of the town of El Espinar Station. This river runs through a natural area, in the surroundings of the Guadarrama mountain range, which has great value for its landscapes and the biodiversity it houses. Furthermore, in an area very close to this river is the recreational area known as La Panera, which offers the possibility of enjoying this natural enclave and has become an essential leisure point for the region, especially during the summer months. summer.
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Open space where the Gudillos River, a tributary of the Moros River, originates, near the Segovian town of El Espinar.
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Quiet, extensive and shaded meadow at the foot of Cueva and Cerro Valiente. It is the perfect place to rest and have a snack during the route.
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The Embalse de La Jarosa area offers a diverse network of mountain bike trails within the Sierra de Guadarrama. You'll find a mix of flowing paths, technical sections, and steep descents, winding through dense pine and oak forests. The terrain caters to various skill levels, from easier routes to those requiring very good fitness and advanced riding skills.
There are over 110 mountain bike trails available around Embalse de La Jarosa. This includes a wide range of options, with approximately 20 easy routes, nearly 30 moderate routes, and over 60 difficult trails for more experienced riders.
Yes, the region offers trails suitable for various skill levels, including easier, flowing paths. While many routes have technical sections, you can find options that are less demanding. For example, there are about 20 easy routes available, which are generally more suitable for beginners or family outings.
Absolutely. The Embalse de La Jarosa area is well-known for its challenging trails, with over 60 routes graded as difficult. These often feature technical singletracks, steep descents, and sections that may require advanced riding skills or even pushing your bike. Routes like Embalse de la Jarosa y San Rafael — Sierra de Guadarrama and Three Provinces and La Aceña Reservoir Loop are popular choices for those seeking a demanding ride.
The trails offer picturesque views of the Embalse de La Jarosa reservoir itself, surrounded by pine and oak trees. You can also ride through the notable 'Bosque Plateado' (Silver Forest), characterized by its ancient Scots and Laricio pines with silvery-white bark. Keep an ear out for the pleasant sounds of the Picazuelo and La Jarosa streams, especially in spring, and enjoy views of Cerro del Cebo de los Lobos and Cerro de los Hornillos.
Yes, the area holds a unique historical secret. When water levels are low in the Embalse de La Jarosa, you might catch glimpses of the submerged medieval village of La Herrería, including remnants of old houses and the tower of the Ermita de San Macario (Hermitage of San Macario), which was flooded during the reservoir's construction in 1968.
Many outdoor areas in the Sierra de Guadarrama, including those around Embalse de La Jarosa, are generally dog-friendly. However, it's always recommended to keep your dog on a leash, especially in areas with wildlife or other trail users, and to check for any specific local regulations or protected zones before you go.
Yes, many routes provide extensive views of the reservoir and the mountainous terrain of the Sierra de Guadarrama. For example, the Three Provinces and La Aceña Reservoir Loop is known for its varied landscapes and extensive vistas around the reservoirs.
Yes, there are several circular mountain bike routes available. For instance, the Fuente Hondilla – Collado del Hornillo loop from Guadarrama is a difficult 35.6 km loop that offers a challenging ride. Many other routes in the area are designed as loops, allowing you to start and finish at the same point.
The mountain bike trails around Embalse de La Jarosa are highly rated by the komoot community, with an average score of 4.6 stars from over 680 reviews. Reviewers often praise the diverse terrain, the beautiful pine forests, and the scenic views of the reservoir and surrounding mountains. Over 7,600 mountain bikers have used komoot to explore this area.
Yes, e-bikes are generally permitted on many of the trails around Embalse de La Jarosa. The extensive network of paths, ranging from flowing sections to technical climbs, can be enjoyed with the assistance of an e-bike, making some of the more challenging routes more accessible.
The Sierra de Guadarrama region, including Embalse de La Jarosa, offers good mountain biking conditions for much of the year. Spring and autumn are particularly pleasant, with milder temperatures and vibrant natural scenery. In spring, you'll also hear the streams flowing. Summer can be warm, so early mornings or late afternoons are often preferred, while winter rides are possible but may require checking for snow or ice at higher elevations.
The Embalse de La Jarosa area is part of the municipality of Guadarrama, which offers various amenities. You can find cafes, pubs, and accommodation options in nearby towns. There are also recreational areas around the reservoir itself that are suitable for picnics, offering spectacular views.


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