4.6
(68)
1,364
riders
57
rides
No traffic touring cycling routes around Kortezubi are set within the Urdaibai Biosphere Reserve, a region characterized by the Oka river basin, estuary, and a mix of green hills and coastal cliffs. The landscape offers diverse topography, from tranquil estuary views to more challenging mountainous terrain. Cyclists can explore routes that wind through inland valleys and along the coast, providing varied scenic backdrops. The area features both gentle gradients and significant elevation changes, catering to different cycling preferences.
Last updated: July 29, 2026
5.0
(1)
25
riders
34.8km
02:37
790m
790m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
8
riders
31.3km
02:11
590m
590m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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4.3
(10)
71
riders
60.8km
04:40
1,490m
1,490m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
47
riders
80.5km
05:56
1,680m
1,680m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
35
riders
45.6km
03:53
1,310m
1,310m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Kortezubi
Recreation of Picasso's famous painting. The original can be seen in Madrid.
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When the Condor attacked, the residents of Guernica tried to protect the tree with their bodies because it is sacred to the Basques. Even today, elected politicians have to swear their loyalty to the Basque Country at an oak tree that stands a few meters away.
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Lonely coastal road for cycling with a beautiful beach and bars for a break.
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Completely destroyed by the German Condor Legion in the Spanish Civil War. https://de.wikipedia.org/wiki/Luftkampf_auf_Guernica A well-worth seeing exhibition in the central square shows the horrors of the civil war. The Spanish spelling with "ue" probably goes back to Picasso.
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This Roman necropolis is located very close to the highest point of the Sollube massif. Here they received the ashes of the cremated deceased from a nearby town, between the 1st and 3rd centuries AD. c.
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At 684 meters high, this is the highest peak of the massif that bears its name. It is located on the left bank of the estuary. During the Civil War, the so-called Battle of Sollube took place on its slopes for eight days.
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Wall reproduction of Picasso's painting "Guernica" exhibited at the Reina Sofía Museum in Paris.
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Picturesque village not to be missed!
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Komoot offers over 50 dedicated no-traffic touring cycling routes around Kortezubi. These routes are designed to provide a serene cycling experience away from vehicular traffic, allowing you to fully immerse yourself in the stunning landscapes of the Urdaibai Biosphere Reserve.
The terrain around Kortezubi is incredibly diverse, ranging from tranquil estuary views and coastal paths to challenging climbs through green hills and mountainous formations. You'll find routes that follow the Oka river, wind through lush forests, and offer spectacular views of the Mundaka estuary and beaches like Laida and Laga. While many routes are paved, some may include well-maintained gravel sections, especially those venturing deeper into the natural reserve.
Yes, while many routes are more challenging, there are options suitable for families. Look for routes with less elevation gain and shorter distances, often found closer to the estuary or within flatter valley areas. These paths provide a safe and enjoyable environment for cyclists of all ages to explore the natural beauty of the Urdaibai Biosphere Reserve.
The best seasons for touring cycling in Kortezubi are typically spring (April to June) and autumn (September to October). During these months, the weather is generally mild and pleasant, with less extreme heat than summer and fewer rainy days than winter. The natural scenery is also particularly vibrant, making for a more enjoyable ride.
Many routes will take you past significant natural landmarks. You can cycle near the unique Oma Forest, also known as the Painted Forest, or enjoy expansive Views over the Urdaibai marsh. The entire region is part of the Urdaibai Biosphere Reserve, offering stunning natural beauty at every turn. Some routes also provide glimpses of the Old Tree of Gernika (Gernikako Arbola).
Absolutely. Kortezubi and its surroundings are rich in cultural heritage. You can cycle to areas near the Santimamiñe Cave, a World Heritage site with prehistoric paintings. The region also features historical sites like the Gothic-style Santiago Church and the ancient Monastery of Santa María de Zenarruza, which sits along the Way of St. James. Many routes will pass through charming villages, offering a glimpse into Basque culture.
Yes, many of the no-traffic touring cycling routes around Kortezubi are designed as circular loops, allowing you to start and end your journey in the same location. For example, the challenging Tour of Biscay: Urdaibai Coast Loop offers a fantastic circular experience along the coast. Another option is the Montecalvo Loop from Gernika, which provides a scenic circular ride inland.
The routes vary significantly in difficulty. While there is one easy route, the majority are classified as moderate (11 routes) or difficult (48 routes). The difficult routes often involve significant elevation gains, such as the 1312m ascent on the Sollube Summit – Guernica Mural in Gernika loop from Institutoa. Cyclists should be prepared for varied terrain and climbs, especially when exploring the mountainous areas.
Yes, as you cycle through the charming villages and towns within the Urdaibai Biosphere Reserve, you will find opportunities to stop at local cafes and pubs. These establishments are often cyclist-friendly and provide a great chance to refuel and experience local Basque hospitality. Planning your route in advance can help identify suitable stops.
The area is highly rated by the komoot community, with an average score of 4.6 stars. Reviewers often praise the stunning natural beauty of the Urdaibai Biosphere Reserve, the diverse and challenging terrain, and the opportunity to explore quiet, traffic-free roads. The blend of coastal views, lush forests, and cultural landmarks makes for a truly memorable cycling experience.
Public transport options, including bus and train services, connect various towns and villages within the Urdaibai Biosphere Reserve. Some routes may allow for bicycle transport, but it's advisable to check specific service providers and their policies regarding bikes in advance. This can be a convenient way to reach starting points or return from longer rides.
Parking is generally available in the main towns and villages around Kortezubi, such as Gernika-Lumo, which often serve as popular starting points for cycling routes. Look for designated parking areas or public car parks. It's always a good idea to check local signage for any restrictions or fees.


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