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Spain
Madrid
Lozoya Somosierra
Miraflores De La Sierra

El Hueco de San Blas Trail

Moderate

4.9

(12)

83

hikers

El Hueco de San Blas Trail

03:20

11.5km

300m

Hiking

Hike the moderate 7.2-mile El Hueco de San Blas Trail in Sierra de Guadarrama National Park, offering panoramic views and diverse forest ter

Last updated: February 26, 2026

Waypoints

A

Start point

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1

3.49 km

Hoya de San Blas

Highlight • Gorge

This natural enclave is located in the municipalities of Manzanares el Real and Soto del Real. Beautiful views.

Translated by Google •

Tip by

2

6.42 km

Hueco de San Blas

Highlight • Trail

Forest path easy to walk.

Translated by Google •

Tip by

3

11.3 km

San Blas Hermitage

Highlight • Religious Site

The Hermitage of San Blas, more than a hermitage, is a small stone construction that houses the image of San Blas.
It is located on a promontory surrounded by large granite stones and from its position there is a viewpoint with beautiful views of places as characteristic as La Pedriza, Cabezas de Hierro, the Santillana reservoir and in the distance, Madrid with the 4 towers ( almost 5).
More at bigjoe.es/ruta-mtb-miraflores-guadalix-navalafuente

Translated by Google •

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B

11.5 km

End point

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Way Types & Surfaces

Way Types

9.27 km

2.25 km

Surfaces

9.32 km

2.21 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 (1,320 m)

Lowest point (1,040 m)

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Weather

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Monday 13 July

33°C

18°C

0 %

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Max wind speed: 20.0 km/h

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Frequently Asked Questions

What is the best time of year to hike El Hueco de San Blas Trail?

The trail is particularly appealing in autumn when the forests display vibrant colors. Spring also offers pleasant temperatures and lush scenery. While accessible year-round, be prepared for colder conditions and potential snow in winter, and higher temperatures in summer.

What is the terrain like on this route?

The trail features diverse terrain, including wide dirt roads, narrower paths, and sections that can be stony or rocky. You'll traverse extensive forests of Scots pine and black pine in higher elevations, transitioning to robust oak groves in the lower parts of the valley. The path follows the Mediano Arroyo, which can be quite full, especially after rain.

Are there any notable landmarks or viewpoints along the way?

Yes, the route offers spectacular panoramic views. You can see the rugged peaks of La Pedriza and the Cuerda Larga mountain range. The trail passes by the historic San Blas Hermitage, which provides a beautiful viewpoint. You'll also get glimpses of reservoirs like Embalse de Los Palancares and Embalse de Santillana, and even Madrid's skyline on clear days.

Is El Hueco de San Blas Trail suitable for beginners or families?

The overall difficulty is described as low to moderate, making it suitable for many walkers. While some sections involve gradual climbs and can be stony, the main paths are generally well-suited for easy movement. It's a good option for families with some hiking experience, but always consider the chosen route's specific length and elevation gain.

Is the trail dog-friendly?

Yes, the trail is generally dog-friendly. As it is part of the Sierra de Guadarrama National Park and Parque Regional de la Cuenca Alta del Manzanares, it's important to keep dogs on a leash to protect wildlife and respect other hikers. Always ensure your dog is well-behaved and that you clean up after them.

Do I need a permit or is there an entrance fee for this area?

No, there are no specific permits or entrance fees required to hike El Hueco de San Blas Trail. It is located within the Sierra de Guadarrama National Park and the Parque Regional de la Cuenca Alta del Manzanares, which are freely accessible for hiking. However, always respect park regulations, especially regarding waste, noise, and wildlife.

Where can I park to access the trailhead?

The trail can be accessed from various points, often starting from areas near Soto del Real or Manzanares el Real. Specific parking information can vary, but common starting points often have designated parking areas. It's advisable to check local maps or komoot's route details for the most convenient parking near your chosen trailhead.

Does this trail intersect with other well-known paths?

Yes, the route primarily follows the Hueco de San Blas trail itself (89% of the route). It also briefly intersects with sections of the Dehesas de Soto - El Hueco de San Blas trail (88%), De Valencia a Lisboa (Etapa desde Bustarviejo a Manzanares El Real) (24%), Estación FC de Miraflores - La Camorza (14%), and Camino de la Peña del Madroño (12%).

What kind of wildlife might I encounter?

The area is rich in biodiversity due to its location within a protected natural park. While specific sightings are never guaranteed, you might spot various bird species, small mammals, and reptiles. The dense forests and water sources provide a habitat for diverse flora and fauna.

Are there any amenities like cafes or restrooms near the trail?

The trail itself is a natural area with no direct amenities like cafes or restrooms. However, the nearby towns of Soto del Real and Manzanares el Real offer a range of services, including cafes, restaurants, and accommodation options. It's best to plan your stops before or after your hike.

What is the best strategy for experiencing the tranquility of the trail?

Many sections of the trail are closed to motorized vehicle traffic, ensuring a peaceful experience. To maximize tranquility, consider hiking during off-peak hours or weekdays. The route's natural setting, especially around the Hoya de San Blas gorge and through the extensive forests, offers a serene escape.

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