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Picadas Reservoir – Embalse de Picadas loop from Navalcarnero

Picadas Reservoir – Embalse de Picadas loop from Navalcarnero

Hard

riders

Picadas Reservoir – Embalse de Picadas loop from Navalcarnero

05:42

73.3km

730m

Gravel riding

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: June 28, 2026

Waypoints

Start point

Bus stop

Get Directions

28.3 km

The Picadas reservoir is located between the municipalities of Pelayos de la Presa and Aldea del Fresno, about 60 km from Madrid, in the Sierra de Gredos. This reservoir collects the waters of the Alberche River and has a recreational area that the whole family will enjoy.

Translated by Google •

Tip by

32.2 km

Embalse de Picadas

Highlight (Segment) • Lake

very nice and comfortable

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Tip by

36.2 km

Picadas Reservoir

Highlight • Lake

The section between San Martín de Valdeiglesias and Aldea del Fresno is very comforting due to the route of the old Alberche train. The path is favorable and you simply have to maintain your inertia through the pine forests of Pelayos de la Presa and the shore of the Picadas reservoir to the dam wall, a delightful cycling ride. At the dam you have to cross a small slope and go down to the Alberche River bridge in Aldea del Fresno, which due to recent floods was under repair the day we passed. The route continues along the entertaining and sandy Camino de Navayuncosa, passing by the Palace of the Count of Caralt and following a section of the old railway to Villamanta, where we once again find damage to the road due to flooding. In the municipality of Navalcarnero we follow the milestones of CiclaMadrid along the rural roads marked with carved and sculpted granite posts with the names of the paths and roads of the municipality, on the map it says Camino de Madrid and on the stone post Camino from Valdeyeso. Navalcarnero has a stop in the square, it is monumental and a good place to have the last snack before the final push. In the Dehesa de Marimartín we reconnect with the route of the old Alberche railway, we pass over the iron bridge of the Guadarrama River and along the greenway we immediately arrive at the lonely streets of Mostoles Tecnológico. In this section, the CiclaMadrid milestones follow a rather uncomfortable livestock route through industrial estates and urban areas, until they cross the peripheral urbanizations of Villaviciosa de Odón and through the old military camps of Venta de la Rubia and the Meaques stream, they enter the Cottage.

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Tip by

38.4 km

Alberche Greenway

Highlight • Cycleway

The disturbing descent from the Santa Ana urbanization ends at the Vía Verde del Alberche, built on the old route of a railway that was intended to connect Aldea del Fresno and Pelayos de la Presa, but was never inaugurated. In this section the Alberche River is dammed by the Picadas dam and it is delicious to pedal through the canyon to a recreational area before exiting onto the M-501 highway.

The railway was planned in 1930 as a secondary branch of the main Madrid-Almorox line. The plan was to create a railway communication route between Aldea del Fresno and Arenas de San Pedro, passing through Pelayos de la Presa, San Martín de Valdeiglesias and the Tiétar valley. The works began very lively, bridges were built and remains of the track bed remain in several sections, but the arrival of the Civil War cut off the works and they were never resumed. Now, the sections built almost a century ago are a wonderful greenway in the Sierra Oeste.

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39.7 km

Tunnel on the Alberche Greenway

Highlight • Structure

A tunnel carved into the rock that is part of a railway that never worked.

Today it is a hiking and biking route that takes you through bridges and tunnels like this one, following the course of the Alberche River and the Picadas Reservoir, right next to the San Juan Reservoir.

bigjoe.es

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Tip by

73.3 km

Plaza de Segovia

Highlight • Settlement

In Navalcarnero you can go from square to square, enjoying a well-deserved rest. There are squares with a long history, such as Plaza de Segovia, and recently created squares such as D. Francisco Sandoval, Plaza V Centenario, Plaza de la Virgen de la Cueva, etc.

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Tip by

73.3 km

Navalcarnero Main Square

Highlight • Historical Site

A beautiful square, very well cared for. It is full of bars and restaurants that open their terrace in spring, which is very practical to have a drink in the sun with the bike in sight

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Tip by

73.3 km

End point

Bus stop

Way Types & Surfaces

Way Types

52.4 km

10.4 km

4.74 km

4.59 km

772 m

520 m

Surfaces

48.4 km

16.5 km

7.24 km

1.23 km

< 100 m

Elevation

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

Highest point (670 m)

Lowest point (460 m)

Weather

Wednesday 8 July

38°C

20°C

0 %

Additional weather tips

Max wind speed: 15.0 km/h

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Picadas Reservoir – Embalse de Picadas loop from Navalcarnero

View of the Picadas dam

Picadas Reservoir

Embalse de Picadas

Picadas Reservoir

Alberche Greenway

Tunnel on the Alberche Greenway

Plaza de Segovia

Navalcarnero Main Square

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