4.6
(78)
1,718
riders
100
rides
Touring cycling around Nabarniz offers diverse routes within the Urdaibai Biosphere Reserve, a protected area known for its rich biodiversity. The terrain features varied elevation, from well-paved surfaces to indigenous forests and mountainous sections, including the slopes of Mount Iluntzar. Cyclists can experience panoramic views of the Urdaibai estuary, the Oka River valley, and coastal areas. The region's landscape is characterized by holm oak woods and proximity to the coast, providing a range of scenic backdrops for cycling.
Last updated: June 21, 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.
4.1
(15)
204
riders
43.3km
03:00
740m
740m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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4.5
(6)
44
riders
58.1km
04:05
1,080m
1,080m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.5
(4)
42
riders
86.0km
06:10
1,710m
1,710m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.0
(2)
44
riders
Hard bike ride. Very 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.
1
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Insane new paved road with beautiful turns and views on the coast. Renown for local bikers but not too busy with cars for us around lunchtime
0
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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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The view of the harbor is quite beautiful!
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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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Basilica of Our Lady of the Assumption of Lekeitio (Gothic style).
1
0
There are over 100 touring cycling routes around Nabarniz, offering a wide range of experiences within the Urdaibai Biosphere Reserve. These routes cater to various skill levels, from easy to difficult.
While many routes around Nabarniz feature significant elevation, the Urdaibai Biosphere Reserve also offers gentler paths suitable for family excursions, particularly along the Mundaka estuary. These routes allow for leisurely rides through scenic landscapes.
For experienced riders seeking a challenge, routes like the Tour of Biscay: Urdaibai Coast Loop offer difficult terrain with substantial elevation gain and coastal views. Another demanding option is the Lekeitio – Arteaga Castle loop from Ea, which includes over 1,200 meters of ascent and passes by the historic Arteaga Castle.
Many routes in the Nabarniz area offer spectacular panoramic views. The region features prominent peaks like Mount Illuntzar and challenging ascents to places like Mount Oiz and the Balcony of Bizkaia, which reward cyclists with spectacular views of the Biosphere Reserve and the coastline. The Viewpoint – Itsasaurre Bridge loop from Amoroto is specifically designed to lead through varied terrain with multiple viewpoints.
Yes, many of the touring cycling routes around Nabarniz are designed as loops, allowing you to start and finish in the same location. Examples include the Tour of Biscay: Urdaibai Coast Loop and the Lekeitio – Arteaga Castle loop from Nabarniz, providing convenient options for exploring the region.
Cycling around Nabarniz offers access to numerous natural wonders within the Urdaibai Biosphere Reserve. You can explore the unique ecosystem of the Oka river basin and Mundaka estuary, or ride through lush indigenous forests like the Oma Forest. The region also features impressive peaks such as Mount Ogoño and the Talaia viewpoint, offering stunning vistas.
Yes, touring cycling routes in the area can lead you past significant cultural and historical sites. You might encounter the Artzubi Bridge, the Old Tree of Gernika (Gernikako Arbola), or the historic Arteaga Castle. The region's charming villages also offer glimpses into Basque culture.
The diverse landscapes of Nabarniz, with its coastal and inland terrain, make it suitable for touring cycling across multiple seasons. Spring and autumn generally offer pleasant temperatures and vibrant scenery. However, the region's well-developed infrastructure means routes can be enjoyed for much of the year, with coastal areas providing milder conditions in winter.
The touring cycling routes around Nabarniz are highly rated by the komoot community, with an average score of 4.5 stars from over 90 reviews. Cyclists often praise the diverse terrain, from coastal paths to challenging mountain climbs, and the stunning natural beauty of the Urdaibai Biosphere Reserve, including its holm oak woods and estuary views.
Many touring cycling routes around Nabarniz traverse charming villages throughout the Urdaibai Biosphere Reserve. These villages often provide opportunities for cyclists to stop, rest, and enjoy local cafes or restaurants, offering a chance to experience the local culture and refuel during your ride.
As an integral part of the UNESCO Urdaibai Biosphere Reserve, the region is rich in biodiversity. Cycling through its marshes, forests, and coastal areas offers excellent opportunities for wildlife spotting, particularly birdwatching, given the reserve's importance for migratory birds. Keep an eye out for various species as you explore the natural landscapes.
While many routes are rated difficult, there are easier options available, particularly those designed for family excursions along the Mundaka estuary. These routes typically have less elevation gain and are suitable for beginners looking to enjoy the scenic beauty of the Urdaibai Biosphere Reserve at a more relaxed pace. For example, the Lekeitio – Roman Bridge of Ea loop from Ea offers a shorter distance and moderate elevation compared to other challenging routes.


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