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Lozoya Somosierra

Sierra De Guadarrama

The best MTB trails in Sierra De Guadarrama

4.6

(1319)

14,031

riders

563

rides

Mountain biking in Sierra De Guadarrama offers diverse landscapes, from rugged granite massifs to extensive pine and oak forests. The region features numerous peaks exceeding 2,000 meters, including Peñalara, and is characterized by deep valleys and unique rock formations like La Pedriza. Its varied terrain provides a wide range of mountain bike trails suitable for different skill levels. Rivers like the Lozoya also carve through the landscape, adding to the scenic routes.

Best mountain bike trails in Sierra De Guadarrama

  • The most popular mountain bike trail is Valle del Lozoya MTB Center - Route 5, a 20.7 miles (33.3 km) trail that takes 3 hours 24 minutes to complete. This route navigates through the scenic Valle del Lozoya.
  • Another top favourite among local mountain bikers is La Horizontal Trail, a moderate 21.6 miles (34.7 km) path. It offers expansive views across the valley and surrounding mountains.
  • Local mountain bikers also love the Zetas de La Pedriza – La Nava Grande Summit loop from Cantocochino, a 19.7 miles (31.7 km) trail leading through the distinctive granite formations of La Pedriza, often completed in about 3 hours 22 minutes.
  • Mountain biking in Sierra De Guadarrama is defined by granite massifs, extensive pine forests, and open valleys. The network offers options for easy rides, moderate challenges, and difficult technical routes.
  • The routes in Sierra De Guadarrama are highly rated by the komoot community with an average score of 4.6 stars from over 1300 reviews. More than 14000 mountain bikers have used komoot to explore Sierra De Guadarrama's varied terrain.

Last updated: May 10, 2026

4.6

(7)

72

riders

#1.

Valle del Lozoya MTB Center - Route 5

33.3km

03:24

760m

760m

This moderate 20.7-mile mountain bike route in Valle del Lozoya offers diverse landscapes and 2483 feet of elevation gain in Sierra de Guada

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Moderate

5.0

(6)

27

riders

34.7km

03:11

460m

460m

Mountain bike the moderate La Horizontal Trail for 21.6 miles (34.7 km) through Valle del Lozoya in Sierra de Guadarrama National Park.

Moderate
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Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

Hard

Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

Hard

Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

Hard
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Tips from the Community

JavierCR 🇪🇸
November 4, 2025, Las Siete Revueltas

It's a classic climb in the Vuelta a España and in cyclotourism events like the Perico Delgado ride. The switchbacks section is very demanding: The first 4 km are gentle (2-3%). From the Puente de la Cantina (Cantina Bridge), ramps of 6-7% begin. Between km 6 and 8 are the five tightest bends, almost linked together, in a wooded area. The final kilometer has a steep ramp before reaching the summit.

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They are located on the Segovia side of the Navacerrada Pass, on the CL-601 road (formerly the N-601), which connects La Granja de San Ildefonso with the pass. Approximate altitude: between 1,400 m and 1,700 m. There are seven hairpin bends that traverse the foothills of the Sierra de Guadarrama mountain range. Total length of the pass on this side: 13.6 km, with a 669 m elevation gain and an average gradient of 4.9%. The steepest ramps are in the switchbacks, with gradients of 6-8% and occasional sections reaching 9%. Summit at the Navacerrada Pass (1,856 m).

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An injection of nature.

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The Siete Revueltas are one of the most iconic sections of the road that ascends to the Navacerrada Pass. This section consists of seven hairpin bends, one after the other, marking the final and toughest part of the climb from the Segovia side.

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The Cantina Bridge is well-known among cyclists because it houses a mountain water source. If you need to refill your bottles, don't hesitate to stop.

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nice corner to enjoy the views

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Beautiful views from this point in La Pedriza. The last 500 meters are quite rocky, nothing that a mountain bike can't do. It's worth the climb, as the view and rock formations are spectacular.

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Segovia hillside, near Navafría, with beautiful landscapes.

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Frequently Asked Questions

How many mountain bike trails are available in Sierra De Guadarrama?

Sierra De Guadarrama offers a vast network of mountain bike trails, with nearly 600 routes recorded on komoot. This includes over 100 easy routes, more than 220 moderate trails, and nearly 250 difficult options, catering to all skill levels.

What is the best time of year for mountain biking in Sierra De Guadarrama?

The ideal time for mountain biking in Sierra De Guadarrama is from late April to mid-November. During these months, the weather is generally pleasant, and the scenery is vibrant, making for excellent riding conditions.

Are there any family-friendly mountain bike trails in Sierra De Guadarrama?

Yes, Sierra De Guadarrama has numerous options suitable for families. There are over 100 easy routes that are perfect for a relaxed ride. These trails often feature gentle inclines and scenic paths through forests and valleys, providing a safe and enjoyable experience for all ages.

What kind of terrain can I expect on mountain bike trails in Sierra De Guadarrama?

The terrain in Sierra De Guadarrama is incredibly diverse. You'll encounter rugged granite massifs, extensive Scots pine and Pyrenean oak forests, and open valleys. Unique geological formations like La Pedriza offer distinctive landscapes. Trails range from smooth multi-use paths to challenging technical singletracks, often with significant elevation changes.

What are some notable natural features or landmarks I can see while mountain biking?

Many trails offer stunning views and pass by significant natural and cultural landmarks. You might encounter majestic peaks like Seven Peaks or La Maliciosa Summit. The unique granite formations of La Pedriza are also a highlight. For example, the Zetas de La Pedriza – La Nava Grande Summit loop from Cantocochino takes you through this distinctive area.

Are there any circular mountain bike routes in the region?

Yes, Sierra De Guadarrama features many circular routes. For instance, the Zetas de La Pedriza – La Nava Grande Summit loop from Cantocochino is a popular difficult circular trail. The region also has a significant 92 km East loop and a 51 km West loop designed by IMBA, which are excellent options for longer circular rides.

What do other mountain bikers say about the trails in Sierra De Guadarrama?

The mountain bike trails in Sierra De Guadarrama are highly regarded by the komoot community, with an average rating of 4.6 stars from over 1300 reviews. Riders often praise the diverse landscapes, the variety of difficulty levels, and the well-maintained paths that offer both challenging climbs and rewarding descents.

Can I find challenging mountain bike routes for advanced riders?

Absolutely. Sierra De Guadarrama is home to nearly 250 difficult mountain bike routes. Trails like the Navafría Pass – Navalcollado Viewpoint loop from Puerto de Navafría or the Navacerrada Railway Station – Royal Site of San Ildefonso loop from Puerto de Navacerrada offer significant elevation gains and technical sections, perfect for experienced mountain bikers seeking an adrenaline rush.

Are there any trails that pass through charming villages or cultural sites?

Many routes in Sierra De Guadarrama combine natural beauty with cultural heritage. The region is dotted with charming mountain villages like Cercedilla, Navacerrada, and La Granja. You can find trails that pass near historical sites such as the Royal Site of San Ildefonso, the castle of Manzanares El Real, or the Monastery of El Paular, offering a blend of adventure and cultural exploration.

Are there any long-distance mountain bike routes available?

Yes, Sierra De Guadarrama is known for its extensive trail networks, including long-distance options. A notable BTT trail stretches 143 km, traversing diverse landscapes and 13 villages. There are also multi-phase routes, such as a 200 km, four-stage tour, that connect various mountain villages and natural areas.

What kind of wildlife might I encounter on the trails?

The Sierra de Guadarrama National Park is a vital biological preserve. While riding, you might spot mammals such as Iberian ibex, roe deer, wild boar, and foxes. The area is also rich in birdlife, including raptors like the imperial eagle and black vulture, especially in higher elevations. Always maintain a respectful distance from wildlife.

Are there any trails with significant viewpoints?

Many trails in Sierra De Guadarrama offer spectacular viewpoints due to the region's mountainous terrain. The La Horizontal Trail, for example, provides expansive views across the valley and surrounding mountains. You can also find specific highlights like Mirador de la Gitana, which offers panoramic vistas.

Most popular routes in Sierra De Guadarrama

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