4.8
(68)
9,776
riders
11
rides
Road cycling around Guadalix De La Sierra offers varied terrain within the Sierra de Guadarrama foothills, characterized by an extensive valley and surrounding hills. The region features a mix of flat stretches, undulating roads, and demanding climbs into higher elevations. Cyclists can find routes around the Embalse de Pedrezuela and through forests of cork oaks and holm oaks, providing diverse landscapes for road cycling.
Last updated: October 24, 2026
178
riders
107km
05:08
1,410m
1,410m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.
125
riders
85.3km
04:19
1,280m
1,280m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

5.0
(1)
254
riders
92.1km
04:21
1,130m
1,130m
Hard road ride. Very good fitness required. Some segments of this route may be unpaved and difficult to ride.
5.0
(1)
30
riders
86.0km
04:04
1,130m
1,130m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.
20
riders
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.
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The Castle and Walls of Buitrago del Lozoya, one of the most important medieval sites in the Community of Madrid: The town has pre-Roman roots and was mentioned by Livy as a Celtiberian fortress (Litabrum). Muslim Fortification: Between the 8th and 11th centuries, the Muslims built the wall to protect the territory. Reconquest: Alfonso VI conquered it in 1085, and it passed into Christian hands. Current Castle: Built in the 15th century by the Mendoza family, during the reign of John II of Castile. Historical Uses: Noble residence, defensive stronghold, and setting for events such as the imprisonment of Juana la Beltraneja.
3
0
The north face has more demanding percentages than the south face, but it is still an accessible climb from both sides.
0
0
Port suitable for beginners who want to get in shape
0
0
The only place there is during the lane for water, bathrooms and shade.
1
0
Very good place to stop and replenish
0
0
Good place to stop before starting to climb the hill. Good product, very good people.
0
0
The region offers a diverse mix of terrain. You'll find flat stretches, undulating roads, and demanding climbs, especially as you ascend into the higher elevations of the Sierra de Guadarrama. Routes range from easy to difficult, with 9 moderate and 7 difficult routes available.
Yes, Guadalix de la Sierra is situated at the foothills of the Sierra de Guadarrama, providing access to challenging mountain passes like Puerto de la Morcuera, Puerto de Navacerrada, and Puerto de Cotos. These are known for steep gradients and panoramic views. An example is the Canencia Pass and Lozoya Valley Loop, which features significant elevation gain.
While many routes offer significant challenges, there are options for moderate ability levels. For instance, the Manzanares el Real Castle – Santillana Reservoir loop from Guadalix de la Sierra is a moderate route that covers about 60 km with a more manageable elevation gain.
You can enjoy scenic views of the Pedrezuela Reservoir and the Santillana Reservoir. The region is also characterized by forests of cork oaks, holm oaks, and junipers. A notable natural landmark is the Hervidero Waterfall, a double waterfall on the Guadalix River.
Yes, many routes are designed as loops, allowing you to start and end in the same location. A popular example is the Guadalix de la Sierra, La Cabrera, Soto del Real – circular route, which is a challenging 107 km loop.
The region benefits from a characteristic microclimate with mild winters and warm summers, making it suitable for cycling for much of the year. Spring is particularly beautiful when wildflowers are in bloom, and shaded sections through forests offer relief during warmer months.
The area is highly rated by the komoot community, with an average score of 4.9 stars from over 40 reviews. Cyclists often praise the varied terrain, from challenging mountain passes to scenic reservoir circuits, and the well-maintained roads that wind through lush forests and high-mountain scenery.
There are 17 road cycling routes available around Guadalix de la Sierra, catering to various skill levels from easy to difficult.
Absolutely. Many routes offer stunning views of the local reservoirs. The El Vellón – View of El Atazar Reservoir loop from Guadalix de la Sierra is a great option, providing views of the El Atazar Reservoir.
While the focus is on natural beauty, some routes may pass near historical points. For example, the Manzanares el Real Castle – Santillana Reservoir loop from Guadalix de la Sierra brings you close to Manzanares el Real, which is known for its castle.
The elevation gain varies significantly depending on the route's difficulty. Challenging routes like the Guadalix de la Sierra, La Cabrera, Soto del Real – circular route can have over 1400 meters of ascent, while moderate routes will have less.


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