4.5
(9)
181
riders
13
rides
Mountain bike trails around Tinieblas De La Sierra are situated within Spain's Sierra de la Demanda mountain range, offering diverse landscapes for cycling. The region features mountainous terrain with ravines and streams, extensive forests of junipers, holm oaks, and oaks, and the Arlanzón River and Reservoir. This environment provides varied dirt trails, singletracks, and mountain ascents suitable for mountain biking.
Last updated: October 15, 2026
4.5
(2)
26
riders
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
4.0
(2)
21
riders
60.7km
04:15
1,040m
1,040m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.

17
riders
43.4km
03:42
740m
740m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
17
riders
62.0km
03:59
770m
770m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
28
riders
45.0km
04:16
950m
950m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.
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El Puerto del Manquillo is located between the towns of Pineda de la Sierra and Riocavado de la Sierra. The pass is an excellent starting point for excursions and visiting the main peaks of the sierra. The route of the Vía Verde de la Sierra Demanda also passes through the port.
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beautiful climb via the greenway or the road
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Spectacular area for hiking routes
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Spectacular area for hiking routes
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Spectacular area for hiking routes
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There is always the solution to difficult points: doing them by road.
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There are many routes, both easy and difficult, to choose from. The Sierra is very beautiful, especially in autumn.
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An impressive and beautiful bridge over the valley.
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There are 10 mountain bike trails around Tinieblas De La Sierra, offering a variety of experiences for different skill levels. These routes are highly rated by the komoot community, with an average score of 4.0 stars.
The region features diverse terrain, including mountainous areas with ravines and streams, extensive forests of junipers, holm oaks, and oaks, and routes alongside the Arlanzón River and Reservoir. You'll encounter varied dirt trails, singletracks, and mountain ascents, providing a challenging and engaging environment for mountain biking.
While the area primarily offers moderate to difficult trails, the Sierra de la Demanda Greenway, which follows an old mining train route, provides a more accessible and scenic option. This greenway is suitable for both hiking and biking, winding through picturesque woods and alongside the Arlanzón reservoir.
You can explore significant natural features such as the Arlanzón Reservoir, the Tinieblas or San Marcos River, and the surrounding forests. The region is also part of the Natural Park of Sabinares del Arlanza-La Yecla, known for its juniper, holm oak, and oak woodlands. The Puerto del Manquillo is a notable mountain pass offering scenic views.
Yes, the Arlanzón Reservoir loop from Pineda de la Sierra is a moderate 43.4 km path specifically designed to offer incredible perspectives of the mountains and the reservoir. Another option is the Arlanzón Reservoir – Puerto del Manquillo loop from Embalse de Arlanzón, which also leads through reservoir areas.
The region's mountainous terrain and lush forests make it enjoyable across various seasons. Spring and autumn generally offer pleasant temperatures and vibrant scenery. Summer can be warm, but the wooded areas provide shade, and the reservoir offers refreshing views. Winter can bring colder conditions, especially at higher elevations like Pico Mencilla.
Yes, for experienced riders seeking a challenge, the Carrascal Cave – Historic Center of Covarrubias loop from Lara de los Infantes is a difficult 123.7 km route with over 2000 meters of elevation gain. Another demanding option is the Metal footbridge – Puerto del Manquillo loop from Valle del Sol, a difficult 59.9 km trail with significant elevation.
Many of the routes in the area are designed as loops. For example, the Arlanzón Reservoir loop from Pineda de la Sierra and the Arlanzón Reservoir – Puerto del Manquillo loop from Embalse de Arlanzón are popular circular options that allow you to start and end in the same location.
Generally, dogs are welcome on many trails in natural areas, especially if kept under control. However, it's always advisable to check local regulations for specific trails or protected areas within the Natural Park of Sabinares del Arlanza-La Yecla to ensure compliance and respect for wildlife.
The trails in Tinieblas De La Sierra are highly rated by the komoot community, with an average score of 4.0 stars from several reviews. Mountain bikers often praise the varied terrain, the scenic beauty of the Arlanzón Reservoir, and the challenging ascents that make for a rewarding experience. Over 70 mountain bikers have used komoot to explore the area.
Specific parking information for trailheads is often available on individual route pages. Generally, you can find parking in and around towns like Tinieblas De La Sierra or Pineda de la Sierra, which serve as common starting points for many routes. For routes starting from the reservoir, there are often designated parking areas nearby.
Yes, the Sierra de la Demanda Greenway is a prominent feature in the area. This greenway follows the route of an old mining train, offering a scenic and relatively flat path suitable for cycling. It winds through picturesque woods and alongside the Arlanzón reservoir, connecting areas like Arlanzón to Pineda de la Sierra.


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