4.6
(49)
1,425
riders
100
rides
Gravel biking around Colmenar Viejo offers diverse landscapes for no traffic gravel bike trails, situated north of Madrid at the foothills of the Sierra de Guadarrama. The terrain features a mix of rolling hills, expansive oak and pine woodlands, and picturesque agricultural fields. A significant portion of the area is part of the Regional Park of the Upper Manzanares Basin, providing protected natural spaces and traditional livestock trails known as Vías Pecuarias, ideal for cycling.
Last updated: May 21, 2026
5.0
(1)
44
riders
77.4km
07:02
1,300m
1,300m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
35
riders
64.6km
05:09
660m
660m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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45
riders
68.5km
05:08
940m
940m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.5
(4)
38
riders
30.5km
02:02
330m
330m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
15
riders
44.5km
03:40
450m
450m
Moderate gravel 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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Manzanares el Real Castle, also known as Mendoza Castle: Built in 1475 by order of Diego Hurtado de Mendoza, 1st Duke of the Infantado, on the site of a former Romanesque-Mudéjar church. Its architecture is Isabelline Gothic, with a square floor plan, cylindrical towers, and an octagonal keep. It served as the palatial residence of the powerful Mendoza family, who even established a literary court there. Declared a Historic-Artistic Monument in 1949. Today it houses a Medieval Interpretation Center, with exhibits of tapestries, armor, furniture, and audiovisual presentations about life in the Middle Ages.
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Characteristic landscapes of the Sierra de Madrid, including the Maliciosa, 7 Picos, and Pedriza mountains.
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It is a good area for a quiet route without rushing... except for some sections with a lot of water where you have to walk.
0
0
It is one of the return points for bike routes
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At the foot of the significant Peña Mediodía peak, and next to the ecological recreational area of the same name, the Hermitage of San Isidro is located on the slopes of El Boalo, very close to the town center. It is situated in a unique and enviable setting, surrounded by magnificent landscapes.
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Komoot offers a wide selection of traffic-free gravel bike trails in the Colmenar Viejo area, with over 80 routes available. These range from easy to difficult, ensuring there's something for every skill level.
The terrain around Colmenar Viejo is incredibly diverse, offering a mix of rolling hills, expansive oak and pine woodlands, and picturesque agricultural fields. You'll also encounter traditional vías pecuarias (livestock trails) which are ideal for gravel cycling, providing traffic-free paths through the countryside. The proximity to the Sierra de Guadarrama means some routes might feature more challenging, mountainous sections.
Yes, while many routes are rated moderate to difficult, there are options for beginners. The region's varied landscape includes flatter sections and well-maintained tracks, especially within areas like the Regional Park of the Upper Manzanares Basin, which are perfect for those new to gravel biking or looking for a relaxed ride.
Many routes offer stunning natural beauty and historical points of interest. You might encounter the conserved landscapes of the Regional Park of the Upper Manzanares Basin or the protected Dehesa de Navalvillar. For a specific natural highlight, consider routes that pass near the Hervidero Waterfall on the Guadalix River. Historically, the Manzanares el Real Castle is a prominent landmark visible from some trails, and the medieval Batán Bridge also offers scenic views.
Yes, many of the gravel bike trails in the area are designed as circular routes, allowing you to start and finish in the same location. For example, the Santillana Reservoir Bridge loop and the Pedrezuela Reservoir loop are excellent options that bring you back to your starting point in Colmenar Viejo.
Spring and autumn are generally the most pleasant seasons for gravel biking in Colmenar Viejo. The weather is milder, and the natural landscapes are at their most vibrant. Summer can be very hot, so early morning or late afternoon rides are recommended, while winter can bring colder temperatures, especially closer to the Sierra de Guadarrama, though many lower elevation trails remain rideable.
The komoot community highly rates the gravel biking experience in Colmenar Viejo, with an average score of 4.6 stars. Reviewers often praise the extensive network of traffic-free paths, the diverse and beautiful landscapes ranging from woodlands to open fields, and the opportunity to explore both natural and historical sites away from busy roads.
Absolutely. The region is home to several picturesque reservoirs that feature prominently in gravel biking routes. The Santillana Reservoir and the Pedrezuela Reservoir are both popular destinations, offering scenic views and tranquil stretches of water along their respective loop trails.
While many routes are rated for experienced riders, the extensive network of vías pecuarias and well-maintained tracks within protected natural areas can offer gentler sections suitable for families. Look for shorter, flatter segments away from significant elevation changes, particularly within the Regional Park of the Upper Manzanares Basin, for a more family-friendly experience.
Yes, the natural areas around Colmenar Viejo, especially within the Regional Park of the Upper Manzanares Basin and the Dehesa de Navalvillar, are rich in biodiversity. Cyclists often report seeing various bird species, deer, and other local fauna, particularly during quieter times of the day or in less frequented areas. Maintaining a respectful distance and quiet approach increases your chances of wildlife encounters.
The duration of gravel bike trails around Colmenar Viejo varies significantly based on distance, elevation, and your pace. Routes can range from shorter rides of around 2-3 hours for easier loops to more demanding excursions that can take 5 hours or more, especially for longer routes like the La Morcuera Pass loop which covers nearly 80 km.


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