4.5
(2)
13
riders
6
rides
Gravel biking around Bozoó offers routes through the diverse landscapes of the Montes Obarenes-San Zadornil Natural Park, situated in the province of Burgos, Spain. The region is characterized by dramatic geological formations, including gorges and ravines carved by rivers like the Ebro, Oca, and Purón. Riders can expect varied topography with diverse forests of beech, holm oaks, and a unique cork oak forest, alongside mountainous terrain. This area provides a natural setting for gravel cycling, defined by its geological features…
Last updated: July 5, 2026
4.5
(2)
4
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
2
riders
10.9km
01:35
660m
660m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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31.2km
02:51
800m
800m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
2
riders
42.8km
03:09
500m
500m
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.
3
riders
73.8km
05:02
1,060m
1,060m
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.
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The city of Frías, declared a Site of Cultural Interest in 2005, a medieval town in Las Merindades Burgalesas. In this town we can see the hanging houses, the Castle of Frías, the church of San Vicente Mártir, the Wall, the medieval bridge, convent of San Francisco, the church of San Vítores, the washhouse and the convent of Vadillo.
2
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Santa Gadea del Cid gehört zu der Vereinigung der magischen Dörfer (Pueblos Magicos) und ist auf jedenfall einen Besuch wert
1
0
Go down with a rope to hold the bike, hahaha
0
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Although Frías only has 267 inhabitants (as of 2022), the place can officially call itself a “city” (ciudad) - making Frías the smallest city in Spain.
6
0
In my opinion, the most beautiful town in Burgos.
5
0
Crowned by an imposing hilltop castle, the town of Frías offers cobblestone streets, stone houses and a suspension bridge over the Ebro River. Its old town retains its historic charm, with picturesque squares and a welcoming atmosphere. The town was built in a strategic enclave at the passage of the Ebro River, since Roman times and mainly during the medieval period.
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Located in the town of Villanañe, the Verona tower is a 15th century fortress that belonged to a noble family that has inspired all kinds of legends.
0
0
The gravel bike trails around Bozoó primarily feature a mix of forest tracks and less-frequented roads. You'll encounter varied topography, including gorges and ravines carved by rivers, within the stunning Parque Natural Montes Obarenes-San Zadornil. The region is known for its diverse landscapes, from dense woodlands to open areas, offering a true gravel biking experience.
While many routes in the Bozoó area present a significant challenge, there is a moderate option available. The View of the Ebro – Ribera del Ebro loop from Hospital is a 45.4 km path that follows the Ebro River, offering varied scenery and panoramic views without the extreme difficulty of some other trails.
The Parque Natural Montes Obarenes-San Zadornil, where Bozoó is located, is rich in natural beauty and wildlife. You might see diverse flora like beech trees, holm oaks, and a unique cork oak forest. The park is also home to various animals, including wild cats, otters, wild boars, roe deer, and even the endangered European mink and bearded vultures.
Yes, several gravel bike routes around Bozoó are designed as loops. For example, you can explore the challenging Ascent to Sierra Arcena – Ascent to the Sierra de Arcena loop from Villanañe, which covers 30.1 km with significant elevation gain. Another option is the Sajazarra Castle – Sajazarra Castle loop from Bugedo, a 33.5 km trail through varied landscapes.
Beyond the trails, the region offers several points of interest. You could visit the historic Salinas de Añana, a unique salt valley, or enjoy panoramic views from viewpoints like Watchtower or TalasDelSomo. The serene Caicedo Yuso (Lake Arreo) is also a beautiful spot to explore.
There are 5 gravel bike trails listed for the Bozoó area, offering a range of experiences through the Montes Obarenes-San Zadornil Natural Park. These routes are highly rated by the komoot community.
The gravel bike trails in Bozoó are highly rated by the komoot community, with an average score of 4.5 stars. Riders often praise the varied terrain, the stunning natural beauty of the Montes Obarenes-San Zadornil Natural Park, and the challenging yet rewarding climbs.
Yes, the Sajazarra Castle – Sajazarra Castle loop from Bugedo is a great option. This 33.5 km trail leads through varied landscapes and includes historical points of interest, making it a scenic and culturally enriching ride.
Absolutely. The Bozoó area is known for its challenging routes with considerable elevation changes. For instance, the Ascent to Sierra Arcena – Ascent to the Sierra de Arcena loop from Villanañe features over 640 meters of ascent over 30.1 km, providing a demanding experience for experienced gravel bikers. Another challenging option is the Torre de los Varona – Torre de los Verona loop from Villanueva de Valdegovía with over 800 meters of elevation gain.
The longest gravel bike route currently listed for the Bozoó region is the View of the Ebro – Ribera del Ebro loop from Hospital. This moderate trail spans 45.4 km, offering an extensive ride along the Ebro River with diverse scenery.
Yes, the View of the Ebro – Ribera del Ebro loop from Hospital is specifically designed to follow the Ebro River. This 45.4 km moderate path provides varied scenery and panoramic views of the river and its surroundings, ideal for a scenic gravel ride.


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