4.4
(20)
1,335
runners
60
runs
Jogging routes around Embalse de la Aceña are situated within the Sierra de Guadarrama mountains, offering a natural setting characterized by extensive pine forests and abulense mountains. The reservoir, located at approximately 1500 meters altitude, provides clean air and panoramic views. The terrain includes well-defined paths along the reservoir's edge and through dense woodlands, suitable for varied running experiences.
Last updated: May 7, 2026
12
runners
10.4km
01:07
140m
140m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4
runners
10.4km
01:09
180m
170m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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8.40km
01:11
300m
290m
Jog the Senda del Hornillo, a difficult 5.2-mile (8.4 km) loop in Sierra de Guadarrama, featuring the Hornillo Waterfall and Aceña Reservoir
4
runners
4.47km
00:42
200m
210m
Hard run. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
6
runners
Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
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The Chubieco Meadows with the nearby stream of the same name, are a flat place that invites peace and tranquility.
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Alto de Cueva Valiente is a place from which you can see wonderful views in every direction.
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Beautiful waterfall that, although it can be avoided, is always nice to see its waters fall from the highest parts of the Sierra on its southern side. When it's hot, a great place to cool off.
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The path reaches the hill where the old Gargantilla hill track climbs to the left and begins the final stretch of the climb to the top of Cueva Valiente (1,903 m). On the meadow there is a well-kept mountain refuge and natural granite sculptures, it is a summit with unattainable design and views. The negative 600 meters of the descent begin on the path marked with stone markers towards the north slope. The abyss where San Rafael is is overwhelming. The path overcomes a steep slope in a few meters, passes through the detour of the cave that gives its name to the mountain and ends in the meadow of the Peñotillo hill, turning left along a technical path that goes down towards the Gargantilla hill. Before reaching the hill, known for the reconstructed forts from the Civil War, the trail turns to the right and continues the frenetic descent down the Gargantilla stream ravine. On some stones there are points of red paint along paths parallel to the stony main path.
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Beautiful waterfall that, although it can be avoided, it's always nice to see its waters falling from the highest parts of the Sierra on its southern side. For when it's hot a great place to cool off.
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This path that borders the banks of the Río de la Aceña and ends at the same dam is a beautiful and entertaining trail for running!
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This is a small reservoir that bears the name of Aceña and that is born in the town that is located at the opposite end of this point, Peguerinos. It is always beautiful to see the swamp from one side and the other of the dam.
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Small town located at the foot of the Aceña Reservoir and from where its houses are bathed by the end of the reservoir. One of the most important buildings in the town is the church of Nuestra Señora de la Concepción.
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There are over 60 dedicated running routes around Embalse de la Aceña, offering a wide range of experiences for different skill levels. These trails are set within the beautiful Sierra de Guadarrama mountains.
The terrain around Embalse de la Aceña is varied, featuring well-defined paths along the reservoir's edge and through dense pine forests. Situated at approximately 1500 meters altitude, you'll experience clean air and panoramic views, with options ranging from easy to difficult in terms of elevation.
Yes, Embalse de la Aceña offers several easy running routes suitable for beginners. For example, the area has 4 routes classified as easy, providing a gentle introduction to jogging in this scenic environment.
Absolutely! The Embalse de la Aceña area is very dog-friendly. Dogs are welcome on the trails and can even swim in the reservoir, making it a great destination for pet owners looking to run with their companions.
Yes, many of the routes are circular, allowing you to start and finish at the same point. A popular option is La Aceña Reservoir – Aceña Reservoir loop from Peguerinos, a 10.4 km trail that offers beautiful views of the tranquil reservoir waters.
The region is known for its stunning natural beauty, including a 'sea of pine trees' and the tranquil waters of the reservoir. A must-see is the Mirador del Embalse de la Aceña (Viewpoint of the Aceña Reservoir), which provides unparalleled panoramic views of the reservoir and the surrounding mountains. You might also encounter the Hornillo Waterfall on routes like Hornillo Waterfall – qas loop from Área Recreativa del Río Aceña.
Yes, the area is suitable for families. The diverse network of paths includes easier sections that are great for family outings, combining jogging with scenic walks. The peaceful environment and natural setting make it an enjoyable experience for all ages.
The running routes in Embalse de la Aceña are highly rated by the komoot community, with an average score of 4.4 stars from over 20 reviews. Runners often praise the stunning natural setting, the clean mountain air, and the variety of terrain that allows for different running experiences.
Yes, parking is generally available. The reservoir is easily accessible from Peguerinos, with the urban center just 100 meters away, suggesting convenient access points for parking to begin your run.
While the region is well-connected by road, specific public transport options directly to the trailheads might be limited. It's advisable to check local bus schedules to Peguerinos, the nearest town, and plan your route from there.
Given its altitude of approximately 1500 meters, Embalse de la Aceña offers crisp, clean air, making it pleasant for running during most seasons. Spring and autumn provide mild temperatures and vibrant scenery, while summer offers a cooler escape from the heat of lower altitudes. Winter running is also possible, but be prepared for colder conditions.
Yes, besides Embalse de la Aceña, you can explore other nearby areas. For instance, the Embalse de Cañada Mojada loop from Urbanización Las Damas is another popular 10.4 km route that explores a different reservoir, offering varied scenery for your run.
The Sierra de Guadarrama mountains and dense forests surrounding Embalse de la Aceña are home to various wildlife. While specific sightings are never guaranteed, you might spot local bird species, small mammals, and enjoy the rich biodiversity of the natural environment.


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