4.6
(80)
1,720
riders
88
rides
Touring cycling around Kortezubi offers diverse landscapes within the Urdaibai Biosphere Reserve. The region features a blend of coastal areas with views of beaches and estuaries, transitioning to high valleys and the foothills of mountains like Mount Oiz and Mount Iluntzar. Cyclists can navigate through marshlands, riverine environments, and more elevated terrain, providing varied routes.
Last updated: July 4, 2026
5.0
(1)
25
riders
34.8km
02:37
790m
790m
This difficult 21.6-mile touring cycling route from Gautéguiz de Arteaga explores coastal villages and the Urdaibai Biosphere Reserve.
5.0
(2)
56
riders
58.2km
03:51
830m
830m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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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.
5.0
(1)
21
riders
41.0km
02:50
720m
720m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
22
riders
27.3km
01:47
340m
340m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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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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The beach is there only at Ebb and disappears completely under the waves at high tide. From this point you also have a great view of the village of Mundaka
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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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There are over 90 touring cycling routes around Kortezubi, offering a wide range of options for different skill levels. The komoot community has rated these routes highly, with an average score of 4.6 stars.
Touring cycling around Kortezubi offers diverse landscapes within the Urdaibai Biosphere Reserve. You'll find a blend of coastal areas with views of beaches like Laida and Laga, estuaries, and marshlands, transitioning to high valleys and the foothills of mountains such as Mount Oiz and Mount Iluntzar. The region features quiet, perfectly paved roads that pass through charming villages and lush forests, alongside more challenging mountainous sections with significant elevation gains.
While many routes in Kortezubi are rated as difficult, there are at least 3 easy touring cycling routes available. These routes are designed to be less demanding, allowing for a more relaxed experience through the region's beautiful landscapes.
Many routes offer stunning natural and historical sights. You can cycle past the historic Artzubi Bridge, explore the unique Oma Forest with its painted trees, or enjoy expansive views over the Urdaibai marsh. The region also features significant peaks like Sollube Summit, offering panoramic vistas.
Yes, the area is rich in history and culture. You can visit the Artzubi Bridge, a 16th-century Romanesque bridge, or the ancient Arteaga Castle. The Santimamiñe Cave, a significant archaeological site with Palaeolithic remains, is also located in Kortezubi. Additionally, the historic Monastery of Santa María de Zenarruza, a national monument on the Way of St. James, is accessible.
The touring cycling routes in Kortezubi are highly rated by the komoot community, with an average score of 4.6 stars from over 80 reviews. Cyclists often praise the diverse landscapes, from coastal views to lush forests, and the challenging yet rewarding climbs found in the region.
Yes, Kortezubi offers several circular touring cycling routes. A popular option is the Tour of Biscay: Urdaibai Coast Loop, which covers 21.6 miles (34.8 km) and provides stunning coastal scenery. Another is the Artzubi Bridge – Lekeitio loop from Forua, a 36.3 miles (58.4 km) trail through varied terrain.
The Urdaibai Biosphere Reserve, including Kortezubi, is generally pleasant for cycling from spring through autumn. These seasons offer milder temperatures and more stable weather conditions, ideal for enjoying both coastal and inland routes. Summer can be warm, especially on climbs, but the coastal breezes can provide relief.
Yes, the charming villages within and around the Urdaibai Biosphere Reserve, such as Mundaka and Gernika, offer various cafes, pubs, and accommodation options. You'll find places to refuel and rest, often with local Basque cuisine, making it easy to plan multi-day trips or simply enjoy a break during your ride.
Parking is generally available in and around the main towns and villages within the Urdaibai Biosphere Reserve, including Kortezubi itself. Look for designated parking areas in village centers or near popular trailheads. It's advisable to check local signage for any restrictions or fees.
Kortezubi and the surrounding Urdaibai region are accessible by public transport, primarily buses, from larger towns like Gernika and Bilbao. While specific services for bikes can vary, many regional buses allow bikes, especially outside of peak hours. It's recommended to check the latest schedules and bike policies with local transport providers before your trip.
Absolutely. Kortezubi and the Urdaibai region are known for their challenging mountainous terrain, including mythical Basque cycling mountain passes like the Balcony of Bizkaia and Mount Oiz. Routes such as the Sollube Summit – Guernica Mural in Gernika loop from Institutoa feature significant elevation gains, making them ideal for experienced touring cyclists seeking a demanding ride.


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