Santillana Reservoir – Manzanares el Real Castle loop from Ctra. M615 - Urb. Berrocal IV

Mountain biking trails

Spain

Madrid

Guadarrama

Becerril De La Sierra

Santillana Reservoir – Manzanares el Real Castle loop from Ctra. M615 - Urb. Berrocal IV

Moderate

4.8

(28)

123

riders

Santillana Reservoir – Manzanares el Real Castle loop from Ctra. M615 - Urb. Berrocal IV

03:15

43.3km

440m

Mountain biking

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: August 23, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Parque Regional de la Cuenca Alta del Manzanares

Waypoints

Start point

Bus stop

Get Directions

9.52 km

Dirt Road in Parque Regional de la Cuenca Alta del Manzanares

Highlight • Trail

10.1 km

GR-124 Royal Trail

Highlight (Segment) • Trail

Section of the GR-124, also known as Senda Real, is a long-distance trail that runs through the Community of Madrid (Spain). It begins at the Príncipe Pío Station and ends, after a route of 47.5 kilometers, in the town of Manzanares el Real, in the Guadarrama mountain range. Although it was approved as GR in 1999, its origin dates back to the old path that linked the Real Alcázar of Madrid with the El Pardo palace, although the current route also uses other historic paths and livestock trails.

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15.7 km

Vado de las Carretas

Highlight • River

Perfect to stop for a moment in the shade of the trees on the banks of the river. The landscape is spectacular.

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31.1 km

Santillana Reservoir Trail

Highlight • Trail

The Santillana reservoir is one of the largest in the Madrid community. Here the waters of the Manzanares river are collected for the drinking water system of the capital. Both in its waters and on the shores there is a great diversity of wildlife.

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32.2 km

Santillana Reservoir

Highlight • Lake

A very nice reservoir. The sunsets and sunrises are spectacular, there are incredible views of Manzanares and its castle, and it is a good place to photograph birds.

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33.5 km

Manzanares el Real Castle

Highlight • Castle

This is the best preserved castle in the community of Madrid. It is also known as the Mendoza castle because it was this family that built it to reinforce their dominance and influence in 15th-century Castile. Juan Guas, who was the architect of the Catholic Monarchs, participated in its construction.

Its wall testifies to its function as a fortress while its large interior rooms tell of the arrival of new times with less warriors and more palatial and social life. It currently has an interpretation center of the Middle Ages and it carries out outreach activities on this important period in Spain and other cultural activities.

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37.4 km

Views of La Pedriza

Highlight • Viewpoint

From here you can see the entire Sierra de los Porrones and the depression where the Santillana reservoir is located. You can also see the typical agricultural landscape of the Sierra de Guadarrama with its pastures and cattle on the farms.

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39.0 km

San Isidro Hermitage

Highlight • Religious Site

The Hermitage of San Isidro is located on the slopes of El Boalo, very close to the town centre. It was built with local masonry by the local residents, reflecting the devotion of the inhabitants of El Boalo to San Isidro, patron saint of cattle breeders and farmers.

Every 15th of May, a pilgrimage is held in honour of San Isidro, where locals and visitors take part in a day in the countryside full of hospitality and festivities. The hermitage is located at the foot of Peña Mediodía and next to the ecological recreational area of the same name.

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