5.0
(4)
118
riders
12
rides
Gravel biking around Embalse de la Aceña offers diverse landscapes within the Sierra de Guadarrama, characterized by the reservoir's tranquil waters and surrounding mountainous terrain. The region features a mix of earthy paths and semi-paved roads, providing varied surfaces for gravel cyclists. Part of the Northern Sierra de Guadarrama Natural Park, the area ensures a preserved natural environment for exploration. This setting makes it suitable for a range of gravel biking adventures, from leisurely rides to more challenging routes.
Last updated: May 28, 2026
21
riders
53.1km
04:04
440m
440m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
12
riders
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Sign up for free
12
riders
64.6km
05:19
1,400m
1,400m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
14
riders
55.0km
04:18
1,460m
1,460m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
13
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
Get access to more routes and recommendations from other explorers.
Sign up for free
Already have an account?
Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.
Start today with a free account
Your next adventure awaits.
Login or Signup
Paths and cattle trails very suitable for cycling.
0
0
Paths and cattle trails very suitable for bike rides.
0
0
The Monastery of El Escorial was built by King Philip II in the 16th century to commemorate a military victory and serve as a royal pantheon for the Habsburg dynasty. Designed by architects Juan Bautista de Toledo and Juan de Herrera, it is characterized by its sober, Renaissance style. Today it is a UNESCO World Heritage Site.
5
0
Place to rest and refill your water bottle at the fountain.
0
0
Track to Las Zetas closed due to fallen trees (04/24/25)
1
0
Excellent views of the Sierra de Guadarrama and a good place to take photos.
0
0
Beautiful hermitage on the outskirts of Collado Villalba and Galapagar, which can be reached by taking a walk.
0
0
The passage through the Arroyos dam is closed, we will have to go all the way around the tail of the reservoir to another small dam in ruins.
1
0
There are around 10 gravel biking routes available in the Embalse de la Aceña area. These trails offer a variety of experiences, from moderate loops to more challenging mountain ascents.
The routes around Embalse de la Aceña cater to various skill levels. You'll find a good mix of moderate trails, with 4 routes classified as such, and 5 more difficult options for experienced riders seeking a challenge.
The terrain is quite varied, making it ideal for gravel bikes. You can expect a mix of earthy paths and semi-paved roads, particularly on routes that encircle the reservoir. The broader Sierra de Guadarrama also features diverse tracks and paths.
Yes, the area is known for its circular routes. A popular option is the 10km loop that encircles the Embalse de la Aceña itself. For a longer ride, consider the Valmayor Reservoir – The Seven Gates loop from El Escorial, which offers expansive water views.
Many routes offer stunning panoramic views of the Embalse de la Aceña and the surrounding Guadarrama mountain range. The reservoir itself is a central feature, providing tranquil waterscapes. You'll also encounter sections along the Guadarrama River, such as on the Guadarrama River Bridge – Casa de Oficios del Campillo loop from San Lorenzo de El Escorial.
Parking is generally available near the reservoir and in the nearby town of Peguerinos. Specific starting points for routes, such as those originating from El Escorial, will also have designated parking areas.
The region is beautiful year-round, but spring and autumn generally offer the most pleasant temperatures for gravel biking. Summer can be warm, while winter might bring colder conditions, especially at higher altitudes within the Sierra de Guadarrama.
Absolutely. The area offers 5 routes classified as difficult, featuring significant elevation gain and mountainous landscapes. An example is the Puerto de Malagón – Abantos Summit Sign loop from El Escorial, which leads through challenging terrain.
The routes in Embalse de la Aceña are highly rated by the komoot community, with an average score of 5.0 stars from 4 reviews. Riders often praise the diverse landscapes, the mix of earthy and semi-paved surfaces, and the preserved natural environment of the Northern Sierra de Guadarrama Natural Park.
While direct public transport to the reservoir itself might be limited, the nearby town of Peguerinos and other starting points like El Escorial are more accessible by public transport, from where you can begin your gravel biking adventure.
The charming town of Peguerinos is located just 100 meters from the reservoir, offering amenities where you can find places to eat and drink. Other towns like El Escorial, which serve as starting points for several routes, also provide various options for refreshments.
Generally, no special permits are required for gravel biking on established trails within the Northern Sierra de Guadarrama Natural Park. However, it's always advisable to check local regulations for any specific restrictions, especially for off-trail riding or protected areas.


Browse the best Gravel rides in other regions.