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Mountain biking trails

Lozoya Somosierra

San Agustín Del Guadalix

Atalaya de El Molar – El Mesto Weir loop from San Agustín del Guadalix

Mountain biking trails

Lozoya Somosierra

San Agustín Del Guadalix

Atalaya de El Molar – El Mesto Weir loop from San Agustín del Guadalix

Moderate

4.2

(5)

31

riders

Atalaya de El Molar – El Mesto Weir loop from San Agustín del Guadalix

01:44

19.5km

350m

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 18, 2026

Tips

Includes a segment that goes up or down a series of steps

You may need to carry your bike.

After 18.8 km for 16 m

Waypoints

A

Start point

Bus stop

1

4.68 km

View of the Guadalix River Canyon

Highlight • Viewpoint

The Guadalix River canyon, exploited by the Canal de Isabel II and with a dam in its highest part, is the perfect environment to explore, thanks to its terraced road …

Translated by Google •

Tip by

2

5.18 km

Trail with views of the Guadalix Canyon

Highlight • Trail

This beautiful mouse trail suddenly opens up to us with incredible views over the Guadalix canyon, and in the distance, the Zegri aqueduct.

Translated by Google •

Tip by

3

5.58 km

Narrow Descent with View of the Guadalix Canyon

Highlight • Trail

Narrow and fun descent with a view of the Guadalix canyon

Translated by Google •

Tip by

4

7.01 km

Atalaya de El Molar

Highlight • Monument

The Molar watchtower is one of the six old defensive watchtowers of the Mayrit mountain range. Visibly rebuilt, it has an extensive view of the surrounding valleys and allowed communication …

Translated by Google •

Tip by

5

7.09 km

Mirador Atalaya el Molar Spectacular sunsets

Highlight • Viewpoint

Mirador Atalaya el Molar

Translated by Google •

Tip by

6

11.0 km

El Mesto Weir

Highlight • Monument

The weir is part of what used to be a reservoir to divert water from the Guadalix River to Madrid back in the early 20th century. Today only ruins remain …

Translated by Google •

Tip by

7

17.0 km

Navalperal Aqueduct

Highlight • Monument

A recent aqueduct, very close to the beautiful "La Cancheras" singletrail. Good place to take a break.

Translated by Google •

Tip by

8

19.2 km

San Agustín Entrance Trail

Highlight • Trail

Spectacular path that from the meadow of Moncalvillo brings us to San Agustín through a beautiful forest

Translated by Google •

Tip by

B

19.5 km

End point

Bus stop

Way Types & Surfaces

Way Types

8.81 km

5.73 km

4.35 km

602 m

Surfaces

10.3 km

3.46 km

2.82 km

1.58 km

1.35 km

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Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (860 m)

Lowest point (630 m)

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Weather

Powered by Foreca

Saturday 24 October

22°C

6°C

0 %

Additional weather tips

Max wind speed: 8.0 km/h

to get more detailed weather forecasts along your route

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