10
riders
4
rides
Gravel biking around Otero De Herreros offers routes through the Sierra de Guadarrama National Park, characterized by mountainous scenery, green valleys, and extensive pine forests. The region features rolling hills and open spaces, providing varied terrain for gravel cyclists. Natural landmarks like the Embalse de Revenga and the "Mujer Muerta" massif contribute to the diverse landscape. These trails often utilize well-established paths, including sections of the Natural Trail of the Western Royal Sorian Trail.
Last updated: July 16, 2026
2
riders
58.6km
04:23
690m
690m
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.
3
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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2
riders
35.4km
02:22
450m
450m
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.
1
riders
34.0km
02:31
520m
520m
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.
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Popular around Otero De Herreros
A wooden bridge over the Moros River canyon. This marks the start of the hike in the northern part of the river canyon before it descends towards the San Rafael Los Angeles Reservoir.
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A small but charming 16th century chapel, with yellow stucco, in the small town of Ortigosa del Monte.
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This quiet Segovian town has just over 560 inhabitants, and is the place where the Bezoya spring is located.
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Having been used exclusively as a Palace for hunting in its surroundings and temporarily inhabited by Francisco Asís de Borbón and Alfonso XII, it is one of the current residences of the Spanish Royal Family. Built on a rectangular plan in Italian style, this palace has an art collection and a hunting museum worth visiting, being located on the Royal Sites Route, close to Segovia and La Granja de San Ildefonso. The palace was built with the permission of Ferdinand VI, tired of the interference in state affairs by Isabel de Farnese, the second wife of his father, Philip V. The queen consort ordered the palace to be built, for the king's peace of mind. However, his death brings Charles III, son of Isabel, to the throne. The latter then lost interest in the old Riofrío hunting reserve and the project remained unfinished, with only the palace and the large plaza built, without gardens. For information on schedules and conditions: https://www.patrimonionacional.es/visita/palacio-real-de-riofrio
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This is one of the most impressive gorges that rise above the Río Moros and reach a height of more than forty meters.
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The Embalse de los Ángeles is a swamp that is located near the town of Los Ángeles de San Rafael. It collects the waters of the southeast of the Sierra del Quintanar.
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Beautiful Romanesque hermitage that today is used as a stable
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There are several dedicated no-traffic gravel bike trails around Otero De Herreros, offering a great way to explore the region's diverse landscapes away from vehicles. This guide features three challenging routes for experienced riders.
The no-traffic gravel routes in this guide vary in length and elevation. For example, the Crossroads – Vegas de Matute loop from Ortigosa del Monte is approximately 58.5 km long with about 693 meters of elevation gain. Another option, the Royal Palace of Riofrío – Fuentemilanos Airfield loop from Ortigosa del Monte, covers around 49.7 km with 498 meters of ascent.
The routes highlighted in this guide are generally considered difficult, requiring a good level of fitness and gravel biking experience due to their length and elevation profiles. While Otero de Herreros offers diverse terrain, these specific no-traffic gravel trails are not typically recommended for beginners or young families looking for easy rides.
Riding these trails will immerse you in the varied landscapes at the foothills of the Sierra de Guadarrama. You'll encounter serene pine forests, rolling hills, and open spaces, often with impressive panoramic views. The region is known for its natural beauty, including the imposing "Mujer Muerta" massif and the Sierra del Quintanar.
Along and near the gravel routes, you can discover several natural attractions. You might pass by beautiful reservoirs such as the Puente Alta Reservoir or the Los Irrios Reservoir. The area is also rich in mountain passes, including the historic Alto del León and the Ascent to Puerto de la Fuenfría via Carretera de la República, offering stunning vistas.
Many of the routes in this area, including those starting from Ortigosa del Monte, typically have parking options available in or near the starting villages. It's advisable to check local signage upon arrival for designated parking areas.
The best time to enjoy gravel biking in Otero De Herreros is generally during spring and autumn when the weather is milder and the natural scenery is at its most vibrant. Summer can be quite warm, while winter rides might be possible but require appropriate gear for colder temperatures and potentially snow in higher elevations of the Sierra de Guadarrama.
Yes, Otero de Herreros and its surroundings have a rich history. While riding, you might encounter remnants of the region's mining past, such as Roman and medieval ruins at Cerro de los Almadenes. The area also features traditional Castilian villages with charming stone houses and historic churches.
The unique appeal of gravel biking in Otero De Herreros lies in its combination of challenging, traffic-free routes and stunning natural beauty within the Sierra de Guadarrama National Park. You can explore ancient paths like the Natural Trail of the Western Royal Sorian Trail, offering a blend of adventure, history, and tranquility away from busy roads.
While the trails themselves are often remote and traffic-free, the routes typically pass through or near small villages where you can find cafes, restaurants, or small shops to refuel. It's always a good idea to carry sufficient water and snacks, especially on longer sections between villages.
The longest no-traffic gravel bike trail featured in this guide is the Crossroads – Vegas de Matute loop from Ortigosa del Monte, which spans approximately 58.5 kilometers.
The shortest no-traffic gravel bike trail highlighted here is the Fuentemilanos – Río Moros Cliff loop from Ortigosa del Monte, covering a distance of about 35.4 kilometers.


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