4.5
(8)
106
riders
1
ride
No traffic gravel bike trails around Karrantza Harana/Valle De Carranza traverse a landscape characterized by mountains, rolling hills, and extensive forests. The region features diverse topography with varied gradients and surfaces, including rugged chains and green valleys. Geological formations such as the Garganta de Karrantza gorge and the Peñas de Ranero add to the varied terrain. This area in Bizkaia offers a blend of natural features suitable for gravel biking.
Last updated: October 13, 2026
5.0
(1)
13
riders
45.1km
02:54
740m
740m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.0
(1)
3
riders
26.6km
01:41
410m
410m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

2
riders
27.2km
02:13
700m
700m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Karrantza Harana/Valle De Carranza
Pass road in perfect condition. 7km constant climb from 40 to 340m pass height. The descent is also a dream.
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Short and easy quiet route
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Great cycling route to Bilbao or the coast
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Near the town of Arenao, the greenway runs over this old railway bridge, today transformed into a wooden viaduct among the vegetation.
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This greenway is ideal for all types of cyclists and all ages. The route is easy and the landscape is spectacular.
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Small climb but the view is worth it once at the top.
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Charming town with a rich historical heritage. Its cobbled streets and traditional-style houses invite you to take quiet walks, while its main square and its church are meeting points. A picturesque place to immerse yourself in history and enjoy rural authenticity.
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Karrantza Harana/Valle De Carranza offers a diverse landscape for gravel biking, ranging from challenging mountainous sections to serene green valleys. You'll encounter rolling hills, lush forests of beech, chestnut, oak, and holm oak, and rural roads. The varied topography provides a mix of gradients and surfaces, ideal for an engaging gravel experience.
Yes, there are several circular routes designed for gravel biking in the region. For example, you can explore the Geltoki Restaurant – Arenao Bridge loop from Artzentales, which offers a challenging 45 km ride with significant elevation. Another option is the Ordunte Reservoir – Ordunte Reservoir loop from Mercadillo-Villasana, a moderate 26 km route.
The region is rich in natural beauty and unique geological formations. You might encounter the dramatic Karrantza Gorge, the distinctive Peñas de Ranero, or enjoy panoramic views from spots like the Mirador de la Garga. The area is also home to the Armañón Natural Park, known for its numerous caves and sinkholes. While cycling, you can also pass by highlights such as the Pozalagua Cave or the Cullalvera Cave.
While some routes can be challenging, the region's network of rural roads and greenways offers potential for family-friendly rides, especially on flatter sections or designated greenways. Look for routes described as 'moderate' or 'easy' to ensure a suitable experience for all family members. The Ordunte Reservoir loop is a moderate option that could be suitable for families with some cycling experience.
The lush forests and green valleys of Karrantza Harana/Valle De Carranza make it an appealing destination throughout much of the year. Spring and autumn generally offer pleasant temperatures and vibrant scenery, with fewer crowds. Summers are also suitable, though it can get warm. Winters might present colder, wetter conditions, especially at higher elevations.
Parking is typically available in the villages and towns that serve as starting points for routes, such as Artzentales or Mercadillo-Villasana. Many trailheads for cycling routes in the Basque Country are accessible by car, often with designated parking areas. It's advisable to check specific route details for recommended starting points and parking information.
The difficulty of gravel trails in Karrantza Harana/Valle De Carranza varies significantly. You can find routes ranging from moderate to difficult, with some segments featuring challenging climbs and unpaved surfaces. For instance, the Geltoki Restaurant – Arenao Bridge loop is rated as difficult, while the Ordunte Reservoir loop is moderate.
Yes, Karrantza Harana/Valle De Carranza is dotted with cultural heritage. As you cycle, you might encounter ancient monuments from the Megalithic route of Haizko or observe the traditional rural architecture scattered across the nearly fifty villages in the municipality. Nearby, you can also find historical sites like the Old Bridge of Balmaseda or the Church of San Severino.
The komoot community highly rates the cycling experience in this region, with an average score of 4.4 stars. Reviewers often praise the quiet, unspoiled nature of the trails, the diverse and scenic landscapes, and the opportunity to explore an off-the-beaten-path destination away from traffic.
While Karrantza Harana/Valle De Carranza is a rural area, some villages and towns within or near the municipality may have public transport connections, such as bus services. For example, the Traslaviña station greenway is mentioned as a potential starting point, suggesting rail access to certain areas. It's recommended to check local public transport schedules and bike carriage policies for specific routes.
Generally, no specific permits are required for cycling on established trails and public roads within natural parks in the Basque Country, including Armañón Natural Park. However, always respect park regulations, stay on marked paths, and be mindful of wildlife and other park users. If you plan to venture off-trail or into sensitive areas, it's best to consult local park authorities.


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