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Routes
Hiking trails & Routes
Spain
Madrid
Sur Occidental
Valdemorillo

Cerro Alarcón Reservoir and Puente del Pasadero Loop

Routes
Hiking trails & Routes
Spain
Madrid
Sur Occidental
Valdemorillo

Cerro Alarcón Reservoir and Puente del Pasadero Loop

Moderate

4.4

(7)

21

hikers

Cerro Alarcón Reservoir and Puente del Pasadero Loop

01:50

6.53km

130m

Hiking

Hike a moderate 4.1-mile loop near Cerro Alarcón, featuring the historic Puente del Pasadero and scenic reservoir views.

Last updated: February 26, 2026

Waypoints

A

Start point

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1

827 m

Juniper of Cerro Alarcón

Highlight • Natural Monument

This juniper is one of the unique trees in the Community of Madrid. Due to its size and, taking into account the slow growth of this type of tree, it …

Translated by Google •

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2

1.41 km

Puente del Pasadero

Highlight • Bridge

This stone bridge is of medieval origin and belongs to the municipality of Navalagamella.
Built on the bed of the Perales River, there is no documented information about its origin …

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3

3.38 km

Cerro Alarcón Reservoir

Highlight (Segment) • Lake

Along this beautiful stretch you can tour the entire west side of the Cerro Alarcón reservoir, located right between the municipalities of Valdemorillo and Navalagamella.
On the other side, easy …

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4

5.32 km

Cerro Alarcón Reservoir

Highlight • Lake

This small reservoir draws its waters from the Perales River, which originates in the nearby area of Las Machotas, north of Zarzalejo.
It was built in 1970 and currently offers …

Translated by Google •

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B

6.53 km

End point

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Way Types & Surfaces

Way Types

2.76 km

1.80 km

1.17 km

801 m

Surfaces

3.44 km

1.59 km

1.19 km

311 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 (690 m)

Lowest point (610 m)

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Weather

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Tuesday 26 May

33°C

15°C

-- %

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This route was planned by komoot.

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Frequently Asked Questions

How long does it take to hike the Puente del Pasadero y embalse — circular desde Cerro Alarcón trail?

This circular hike typically takes around 1 hour and 50 minutes to complete. The route covers a distance of approximately 6.5 kilometers (4 miles).

What is the difficulty level of this hike?

The trail is considered moderate and is generally suitable for most fitness levels, including families with children. While paths are accessible, some sections can be rocky and irregular, requiring appropriate footwear and a steady pace.

Where can I park for the Puente del Pasadero y embalse circular route?

While specific parking locations aren't detailed, the trail starts and ends near Cerro Alarcón. It's advisable to look for designated parking areas in or around Cerro Alarcón, which is the starting point for this circular route.

Is the Puente del Pasadero y embalse — circular desde Cerro Alarcón trail dog-friendly?

Yes, this trail is generally considered dog-friendly. However, always ensure your dog is under control, preferably on a leash, and be mindful of other hikers and any local regulations regarding pets in natural areas.

What is the best time of year to hike this route?

The trail can be enjoyed year-round, but spring and autumn are often ideal. These seasons offer pleasant temperatures, vibrant foliage, and comfortable conditions for hiking. Summer can be hot, so an early start is recommended, while winter might bring cooler temperatures and potentially muddy sections.

Do I need a permit or pay an entrance fee to hike this trail?

No, there is no permit required and no entrance fee to access the Puente del Pasadero y embalse — circular desde Cerro Alarcón trail. It is freely accessible to the public.

What kind of terrain can I expect on the trail?

The route features varied terrain along the Perales River. You'll encounter wooded areas with pines and oaks, as well as some rocky and irregular sections. Hikers might find narrower parts and stones, especially after crossing a small wooden bridge.

What are the main points of interest along the route?

Key highlights include the historic Puente del Pasadero, a medieval bridge with Islamic origins, and the impressive Juniper of Cerro Alarcón, a centuries-old tree. You'll also enjoy views of the Perales River canyon and the expansive Cerro Alarcón Reservoir.

Are there any historical sites or natural monuments on the trail?

Absolutely! Besides the medieval Puente del Pasadero, you can marvel at the Juniper of Cerro Alarcón, a recognized singular tree. The area also holds historical significance as part of the "Ruta Imperial de Felipe II" and features remains of old flour mills, like Molino Serrano, along the Perales River.

Does this trail connect with other hiking paths?

Yes, the route incorporates sections of other paths. You will find yourself on parts of the "Camino de servicio Conducción de Picadas" and "Camino servicio conducción de Picadas" for significant portions, as well as the "Puente del Pasadero" path itself.

What should I bring for this hike?

Given the moderate difficulty and varied terrain, we recommend bringing appropriate hiking footwear, sufficient water, and sun protection. Depending on the season, layers of clothing are advisable. A camera would also be great to capture the scenic views and historical landmarks.

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