4.6
(315)
1,588
hikers
84
hikes
Hiking around Pantano de Puentes Viejas offers access to a diverse landscape in the Sierra Norte of Madrid. The region is defined by the Pantano de Puentes Viejas reservoir, fed by the Lozoya River, and surrounded by varied vegetation including dense pine forests and ash trees. Topographical features include Peña Águila (1,650 m) and Cerro del Picazuelo (1,253 m), providing a mix of riverside paths and elevated views. A significant portion of the area is integrated into the Special Conservation…
Last updated: July 1, 2026
2
hikers
Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.
4.1
(12)
68
hikers
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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4.9
(7)
53
hikers
14.0km
03:44
160m
160m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
3.0
(1)
5
hikers
15.9km
04:22
260m
260m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
4.8
(5)
28
hikers
7.14km
01:54
70m
70m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
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Popular around Pantano de Puentes Viejas
Right next to the entrance to the wall.
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The Castle and Walls of Buitrago del Lozoya, one of the most important medieval sites in the Community of Madrid: The town has pre-Roman roots and was mentioned by Livy as a Celtiberian fortress (Litabrum). Muslim Fortification: Between the 8th and 11th centuries, the Muslims built the wall to protect the territory. Reconquest: Alfonso VI conquered it in 1085, and it passed into Christian hands. Current Castle: Built in the 15th century by the Mendoza family, during the reign of John II of Castile. Historical Uses: Noble residence, defensive stronghold, and setting for events such as the imprisonment of Juana la Beltraneja.
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Beautiful walled town located in the mountains north of Madrid.
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nice easy route, to repeat!
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Wonderful views and surroundings
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The Senda de las Gariñas is a circular path 6.5 km long. The route crosses part of the forest mass known as the Gariñas forest and reaches the Puentes Viejas reservoir, where we find the riverside landscape. The forest is made up mostly of resin pine, although as we approach the banks of the reservoir we also find ash trees and Montpellier maples.
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Forest mass known as the Gariñas forest and reaches the Puentes Viejas reservoir, where we find the riverside landscape. The forest is made up mostly of resin pine, although as we approach the banks of the reservoir we also find ash trees and Montpellier maples.
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There are over 85 hiking routes in the Pantano de Puentes Viejas area, catering to various skill levels. This includes approximately 20 easy routes, 55 moderate routes, and 10 difficult routes.
The region offers diverse landscapes, including the picturesque Pantano de Puentes Viejas reservoir, the winding Lozoya River, and lush forests with pine, ash, and Montpellier maple trees. You'll also find mountainous terrain with peaks like Peña Águila (1,650 m) and Cerro del Picazuelo (1,253 m).
Yes, the area features around 20 easy routes suitable for beginners or those looking for a relaxed walk. Many of these routes offer gentle paths along the reservoir or through the forests.
Yes, many routes in the area are circular. For example, the Buitrago del Lozoya Wall – Buitrago de Lozoya loop from Buitrago del Lozoya is a moderate 11.5 km path that explores the historic town walls and surrounding natural areas.
You can visit the medieval town of Buitrago del Lozoya, known for its well-preserved walls and Gothic-Mudejar style Alcázar. Other points of interest include the partially ruined 17th-century Casa del Bosque palace, and remnants of a Civil War bunker. The Buitrago del Lozoya Historic Town and Walls are a notable highlight.
Hikers can enjoy the scenic Lozoya River, the dense Bosque de las Gariñas, and the impressive Puentes Viejas Dam. The reservoir itself is a central natural feature, offering picturesque views.
The region is suitable for hiking throughout the year. Spring and autumn offer pleasant temperatures and vibrant natural colors, while summer provides warm, sunny days. Winter hikes are also possible, with the landscape taking on a different, often serene, beauty.
Many of the easier routes are suitable for families. The area's diverse forests and riverside paths provide engaging environments for children. Look for routes with lower elevation gains and shorter distances for a family-friendly experience.
The trails in Pantano de Puentes Viejas are highly rated by the komoot community, with an average score of 4.6 stars from nearly 300 reviews. Hikers often praise the beautiful reservoir views, the tranquility of the forests, and the variety of routes available for different abilities.
Absolutely. Many routes follow the shoreline of the Pantano de Puentes Viejas reservoir, providing continuous scenic views. The reservoir is a defining feature of the landscape, and its presence is central to many of the hiking experiences.
Yes, for experienced hikers, there are about 10 difficult routes. One such challenging option is the Embalse de El Villar via the Río Lozoya – circular from Buitrago de Lozoya, a 29 km trail with significant elevation changes along the Lozoya River.
The natural environment around the reservoir and in the surrounding forests is ideal for bird watching. You may observe various species of winged fauna native to the Sierra Norte, as well as other small forest animals.


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