4.8
(48)
1,032
riders
68
rides
Gravel biking around San Agustín Del Guadalix offers diverse natural landscapes just north of Madrid, characterized by extensive natural areas. The region features Mediterranean forests, river canyons, and significant 19th-century hydraulic infrastructures. Varied terrain provides options for gravel bikers, from tranquil paths to more challenging ascents, making it ideal for exploring its natural and historical features.
Last updated: July 8, 2026
4.0
(1)
32
riders
53.6km
04:00
810m
810m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(2)
87
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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5.0
(1)
10
riders
30.6km
02:20
360m
360m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.0
(1)
20
riders
55.5km
03:30
440m
440m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(2)
13
riders
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Steps over the modified wall
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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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Soto de Viñuelas Valley
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One of the recommended routes in the area is the circular route that starts from Dehesa Boyal, passing through Ciudalcampo, Valdelagua, the Canal aqueducts and Santo Domingo. This route is classified as having a high level of difficulty, making it ideal for experienced cyclists looking for technical and scenic challenges.
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Good place, next to Casilla de la Retuerta, to make a stop.
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Dirt track that ends next to a watering hole for the cattle. Eye! According to a sign, some are brave so it is not advisable to cross the fences. Nice views of the swamp in the distance.
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San Agustín Del Guadalix offers a wide selection of gravel bike trails, with over 60 routes available for exploration. These routes cater to various skill levels, from easy paths to more challenging ascents.
You can expect diverse terrain, ranging from tranquil paths through Mediterranean forests with holm oaks and cork oaks, to sections bordering river canyons. The area also features significant 19th-century hydraulic infrastructures like aqueducts, and offers expansive views around reservoirs.
The gravel biking routes in San Agustín Del Guadalix are highly regarded by the komoot community, holding an average rating of 4.7 stars from over 30 reviews. More than 800 gravel bikers have explored the varied terrain, often praising the scenic beauty and the mix of natural and historical features.
While many routes are moderate to difficult, there is at least one easy gravel bike route available. The region's diverse network ensures that riders can find paths that match their experience level, with some routes offering more tranquil sections suitable for those new to gravel biking.
The region offers beautiful scenery throughout the year. Spring is particularly impressive when the rivers and waterfalls have a stronger flow. Autumn brings stunning earthy scents and golden light to the Mediterranean forests. Even colder months can be picturesque, especially around the Laguna de los Patos with its morning mist.
Yes, the region is home to beautiful waterfalls. A notable highlight is the Hervidero Waterfall on the Guadalix River, nestled within a rocky canyon. You might also encounter the El Coso Waterfall, especially after rainfall.
Beyond waterfalls, you can explore the tranquil Pedrezuela Reservoir, the Arco Verde Pollinator Reserve, and various viewpoints like the View of the Guadalix Canyon from Matahonda Rocks. The area also features the Bosque de la Dehesa Vieja, with its holm oaks and cork oaks, and the serene Laguna de los Patos.
Absolutely. San Agustín Del Guadalix is known for its significant 19th-century hydraulic infrastructures from the Canal de Isabel II. Routes like the Retuerta Aqueduct – Las Cancheras Singletrack loop from El Molar and the Valcaliente Aqueduct – Canal de Isabel II Aqueducts loop from Tres Cantos specifically traverse areas featuring these historic aqueducts.
While specific family-friendly gravel routes are not detailed, the path to the Hervidero Waterfall is often described as accessible and enjoyable for families. The region's varied terrain includes tranquil sections that can be suitable for family outings, especially if you choose shorter, less challenging loops.
Yes, many of the gravel bike routes in San Agustín Del Guadalix are designed as loops, allowing you to start and finish at the same point. Examples include the Pedrezuela Reservoir – Atalaya de El Molar loop from Tres Cantos and the Santillana Reservoir – Santillana Reservoir Bridge loop from Tres Cantos.
Yes, for experienced gravel bikers seeking a challenge, San Agustín Del Guadalix offers 35 difficult routes. These trails often feature significant elevation changes, such as the Pedrezuela Reservoir – Atalaya de El Molar loop from Tres Cantos, which includes nearly 900 meters of ascent over its 67 km distance.
Many routes provide excellent viewpoints. For instance, the Pedrezuela Reservoir – Atalaya de El Molar loop from Tres Cantos offers expansive views around the Pedrezuela Reservoir. You can also find specific viewpoints like the Valdelagua Geodetic Vertex with Views of the Sierra de Guadarrama.


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