3.0
(1)
40
riders
6
rides
Gravel biking around Frías offers diverse terrain within a picturesque medieval setting, characterized by captivating landscapes and rich historical attractions. The region features varied natural elements, including the Natural Park of Montes Obarenes-San Zadornil, waterfalls, and the Ebro River. Routes often blend challenging unpaved segments with scenic beauty, providing varied elevation changes suitable for different fitness levels.
Last updated: May 7, 2026
10
riders
78.1km
05:51
380m
380m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
7
riders
17.5km
01:29
190m
190m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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8
riders
47.5km
03:16
630m
630m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
7
riders
34.9km
03:05
640m
640m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
3.0
(1)
5
riders
55.0km
02:52
200m
200m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Lermilla, with a spectacular rest area!
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carry water, but go to a village to the fountain and if possible don't go on a very sunny day...
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Lermilla's rest area, ideal for getting water and relaxing. Cool fountain.
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Beautiful landscape on the greenway with layers of different colors.
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One of the few towns on the greenway to grab a drink (aka a bar) between Poza and Burgos. A must-stop for a rest.
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Next to the greenway, a good place to rest and get supplies in town.
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A beautiful town in a privileged location. It's well worth a visit, and take a stroll around the surrounding area.
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There are 6 gravel bike trails around Frías, offering a mix of moderate and difficult options for exploration.
The terrain around Frías is diverse, ranging from mostly paved surfaces to challenging unpaved segments. You'll encounter varied elevation changes, especially within the mountainous areas and the Natural Park of Montes Obarenes-San Zadornil. Some sections may require good fitness or even pushing your bike.
While Frías offers a mix of moderate and difficult routes, there are no trails specifically categorized as 'easy' in the immediate area. However, some of the moderate routes, such as the Oña Historic Town Center – Trespaderne loop from Oña, might be suitable for beginners looking for a bit of a challenge, as they are shorter and have less extreme elevation changes than the difficult routes.
Absolutely. Many routes in the Frías region integrate historical and natural landmarks. You can expect to see the impressive Frías Medieval Bridge, the Frías Castle, and the unique Casas Colgadas. Natural highlights include the Natural Park of Montes Obarenes-San Zadornil and the Cascadas de Tobera. For example, the Oña Historic Town Center – Ebro River Bridge loop from Oña offers views of the Ebro River. You can also explore highlights like the Oña Historic Center and the Hermitage of Saint Mary of La Hoz.
Yes, the presence of the Ebro River contributes to the natural charm, offering pleasant riverside riding opportunities. The Oña Historic Town Center – Ebro River Bridge loop from Oña connects the historic town center with views of the Ebro River. The region also boasts the Cascadas de Tobera (Tobera Waterfalls), which are a significant natural highlight and can be incorporated into rides, providing a beautiful backdrop.
Yes, most of the gravel bike routes around Frías are designed as loops. Examples include the Puentedey – Natural Rock Arch of Puentedey loop from Trespaderne, the Oña Historic Town Center – Trespaderne loop from Oña, and the Oña Historic Town Center – Ebro River Bridge loop from Oña.
The routes in Frías are highly rated by the komoot community, with an average score of 3.0 stars. Over 38 gravel bikers have used komoot to explore Frías's varied terrain, often praising the blend of medieval villages, river valleys, and the rugged beauty of the Montes Obarenes-San Zadornil Natural Park.
Frías offers routes that are generally moderate to difficult, with varied terrain and elevation changes. While there are no routes specifically labeled as 'easy' or 'family-friendly' in the guide data, families with older children or those comfortable with more challenging rides might enjoy some of the shorter, moderate loops. Always check the route details for distance and elevation before heading out with family.
Generally, dogs are welcome on many outdoor trails in the Frías region, especially in natural park areas, provided they are kept under control, typically on a leash. However, specific rules can vary, particularly in protected areas or private lands. It's always best to check local regulations or signage for each specific trail you plan to ride with your dog.
The best time for gravel biking in Frías is typically during the spring and autumn months when the weather is milder and the landscapes are particularly vibrant. Summer can be hot, especially at midday, while winter might bring colder temperatures and potentially challenging conditions on some unpaved segments due to rain or snow.
Parking is generally available in and around the main towns and villages that serve as starting points for these routes, such as Frías itself, Oña, or Trespaderne. Look for designated parking areas within these settlements, which often provide convenient access to the trailheads.
Yes, the surrounding area features mountain peaks and passes, ensuring varied elevation changes for experienced gravel bikers. You can explore highlights such as Portillo de Busto, PortilloDeLosJabalies, and Portillo Cantiportillo, which offer challenging segments and rewarding views.


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