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Routes
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Spain
Madrid
Area Metropolitana De Madrid
Las Rozas De Madrid

El Gasco Dam – View of Presa del Gasco loop from Las Matas

Routes
Hiking trails & Routes
Spain
Madrid
Area Metropolitana De Madrid
Las Rozas De Madrid

El Gasco Dam – View of Presa del Gasco loop from Las Matas

Hard

4.5

(8)

74

hikers

El Gasco Dam – View of Presa del Gasco loop from Las Matas

05:10

18.0km

400m

Hiking

Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: July 8, 2026

Waypoints

A

Start point

Bus stop

Get Directions

1

10.00 km

View of the El Gasco Dam and Guadarrama River Valley

Highlight • Viewpoint

The El Gasco dam is an unfinished dam, built at the end of the 18th century (between 1787 and 1799), on the Guadarrama River. Its ruins are located at the …

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2

10.0 km

El Gasco Dam

Highlight • Monument

The El Gasco dam, also called Peña Strait or Carlos III Dam, is one of the most important civil engineering projects in 18th century Spain. It is located above the …

Translated by Google •

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3

10.4 km

View of Presa del Gasco

Highlight • Viewpoint

It is not a viewpoint, it is a clear curve in the road.

Translated by Google •

Tip by

4

16.7 km

Oak Grove Trail

Highlight • Trail

A nice walk, without any slope, that follows the altitude line to the dam

Translated by Google •

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B

18.0 km

End point

Bus stop

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Way Types & Surfaces

Way Types

11.6 km

6.17 km

163 m

< 100 m

Surfaces

12.4 km

3.12 km

2.41 km

< 100 m

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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 (860 m)

Lowest point (690 m)

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Weather

Powered by Foreca

Saturday 11 July

28°C

20°C

34 %

Additional weather tips

Max wind speed: 20.0 km/h

to get more detailed weather forecasts along your route

Comments

October 11, 2022,Presa del Gasco. Parque Regional Curso Medio del Guadarrama.
In the social and political changes of the 18th century, during the Enlightenment period in Spain, when the absolutist monarchies acted on the advice of intellectuals who were based on philosophical ideas guided by reason, large-scale civil engineering projects appeared to promote development cultural and economic of the populations. In 1785, the hydraulic works engineer Carlos Lemaur, of French origin, …

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