4.8
(23)
448
riders
32
rides
Touring cycling around San Agustín Del Guadalix offers diverse natural landscapes and terrain, located north of the Community of Madrid near the Sierra de Guadarrama. The region features the Guadalix River and its canyon, the expansive Moncalvillo meadow, and the tranquil Pedrezuela Reservoir. Over 50% of the municipal area is protected natural land, providing a varied backdrop for cycling routes that include both natural features and historical aqueducts. This area provides accessible touring cycling experiences from the capital.
Last updated: May 17, 2026
5.0
(4)
45
riders
46.4km
03:56
620m
620m
Hard bike ride. Very good fitness required. You may need to push your bike for some segments of this route.
5.0
(1)
127
riders
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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50
riders
Hard bike ride. Very good fitness required. You may need to push your bike for some segments of this route.
5.0
(1)
31
riders
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.0
(2)
15
riders
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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The Hervidero Waterfall is a double waterfall on the Guadalix River, nestled in a rocky canyon and surrounded by riverside vegetation. It can be reached via a flat and easy 7 km (round trip) route starting from San Agustín del Guadalix, ideal for family hikes.
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mountain biking, running or hiking
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After the climb, I turn left to take the canal path, from here you enter a broken road that runs through beautiful places such as the Moncalvillo meadow.
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Another interesting aqueduct from the time of Isabel II intended to supply water to the capital!
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The Molar watchtower is one of the six old defensive watchtowers of the Mayrit mountain range. Visibly rebuilt, it has an extensive view of the surrounding valleys and allowed communication between different towers through fire signals or, failing that, smoke. These messages could travel 200 kilometers in 45 minutes, eliminating the Christian factor from the Christian troops. Thanks to its strategic positioning, today its foot serves as a viewpoint of the Sierra Norte and Cuerda Larga.
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Of great beauty and easy to access (be careful, there are some winding stairs) they are one of these little-known corners of Madrid. In the bed of the Guadalix River and almost at the mouth of its spectacular canyon, the waterfall depends on the opening of the reservoir, upstream, which guarantees water flow practically all year round.
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It is a small hermitage with a square floor plan and a hipped roof, it also has a porch made up of a small roof to which two stone columns are attached. It was renovated in 1990. In it there is the image of San Blas, Patron of the town, from the month of May to the month of February, and in the esplanade of the field that surrounds the Hermitage the traditional Bread and Cheese Pilgrimage is celebrated, the Sunday before the Feast of the Ascension.
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There are over 30 touring cycling routes in San Agustín Del Guadalix, offering a variety of experiences for different skill levels. You'll find 5 easy routes, 13 moderate routes, and 15 difficult routes to explore.
The region offers diverse natural landscapes, including the scenic Guadalix River canyon, the expansive Moncalvillo meadow, and the tranquil Pedrezuela Reservoir. You'll also encounter paths flanked by holm oaks, cork oaks, and Mediterranean scrub, as over 50% of the municipal area is protected natural land.
Yes, the spectacular Hervidero Waterfall is a notable natural gem. You can visit it on routes such as the Pedrezuela Reservoir – Hervidero Waterfall loop from San Agustín del Guadalix. Another waterfall, El Coso Waterfall, is also nearby.
Yes, the area features impressive 19th-century aqueducts that are part of the Canal de Isabel II water system. The Las Cancheras Singletrack – Retuerta Aqueduct loop from San Agustín del Guadalix will take you past the spectacular Acueducto de La Retuerta, one of the largest in the Community of Madrid. Other aqueducts like La Sima and Valcaliente also add a cultural dimension to the routes.
Yes, many routes are designed as loops. A popular option is the Embalse de Pedrezuela – circular by Guadalix de la Sierra, which offers expansive views around the Pedrezuela Reservoir. Another is the Plaza de la Constitución – Retuerta Aqueduct loop from San Agustín del Guadalix.
San Agustín Del Guadalix is suitable for cycling throughout much of the year. Spring and autumn generally offer the most pleasant temperatures and vibrant landscapes. Summers can be hot, so early morning or late afternoon rides are recommended, while winters are mild but can be chilly.
Yes, there are easy routes suitable for families. The area around the Hervidero Waterfall, for instance, offers an easy 7 km round-trip route from San Agustín del Guadalix, ideal for family outings. The diverse terrain allows for options catering to less experienced riders.
The komoot community rates the routes highly, with an average score of 4.8 stars from over 24 reviews. Cyclists often praise the diverse terrain, the scenic views of the Guadalix River and Pedrezuela Reservoir, and the blend of natural beauty with historical aqueducts.
San Agustín Del Guadalix is located north of the Community of Madrid, making it easily accessible from the capital. While specific public transport options directly to trailheads may vary, regional bus services connect the town to Madrid, from where you can start your cycling adventures.
Parking is generally available within San Agustín Del Guadalix itself. Many routes start from or pass through the town, offering convenient access. For specific trailheads, local parking areas are often designated, though it's always advisable to check local signage.
Yes, the region offers several scenic viewpoints. The View of the Guadalix Canyon from Matahonda Rocks provides stunning vistas. Additionally, the Valdelagua Geodetic Vertex with Views of the Sierra de Guadarrama offers expansive panoramic views of the surrounding mountains.
While many natural areas in Spain are dog-friendly, it's always recommended to keep dogs on a leash, especially in protected natural lands or areas with wildlife. Specific regulations can vary, so check local signage or municipal guidelines for the particular route you plan to take.


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