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Routes
Mountain biking trails
Spain
Madrid
Lozoya Somosierra
El Molar

El Mesto Weir – Pedrezuela Reservoir loop from El Molar

Routes
Mountain biking trails
Spain
Madrid
Lozoya Somosierra
El Molar

El Mesto Weir – Pedrezuela Reservoir loop from El Molar

Moderate

5.0

(2)

21

riders

El Mesto Weir – Pedrezuela Reservoir loop from El Molar

02:20

27.0km

470m

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: March 2, 2026

Tips

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

You may need to carry your bike.

After 8.86 km for 13 m

Waypoints

A

Start point

Bus stop

Get Directions

1

4.42 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

2

12.9 km

from this point we have privileged views of the canyon and the Zegri aqueduct

Translated by Google •

Tip by

3

14.7 km

Casilla de la Retuerta

Highlight • Mountain Hut

Good place, next to Casilla de la Retuerta, to make a stop.

Translated by Google •

Tip by

4

17.8 km

Cruz de la Boca del Valle

Highlight • Monument

At the foot of Cerro de San Pedro and between the terms of San Agustín del Guadalix, Pedrezuela and Guadalix de la Sierra. Passageway for most of the hiking and mtb routes in the area.

Translated by Google •

Tip by

5

22.5 km

Pedrezuela Reservoir

Highlight • Lake

A quiet place to relax. It is a reservoir which was completed in 1967.

Translated by Google •

Tip by

B

27.0 km

End point

Bus stop

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Way Types & Surfaces

Way Types

9.84 km

8.94 km

6.72 km

1.55 km

Surfaces

11.0 km

5.52 km

5.11 km

2.73 km

2.68 km

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Elevation

Elevation

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

Highest point (890 m)

Lowest point (650 m)

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Weather

Powered by Foreca

Tuesday 19 May

26°C

13°C

0 %

Additional weather tips

Max wind speed: 10.0 km/h

to get more detailed weather forecasts along your route

Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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