4.7
(138)
11,020
riders
119
rides
Road cycling around Cenarruza-Puebla De Bolívar offers diverse terrain characterized by rugged relief and steep slopes, creating challenging routes. The region is crossed by narrow, deep valleys formed by rivers like the Lea and Artibai. Prominent features include Mount Oiz, which provides significant climbs, and a network of roads suitable for road bikes that traverse this varied landscape.
Last updated: July 11, 2026
4.6
(5)
458
riders
46.5km
02:23
640m
640m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
5.0
(1)
377
riders
96.1km
05:37
1,460m
1,460m
Hard road ride. Very good fitness required. Some segments of this route may be unpaved and difficult to ride.

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5.0
(1)
396
riders
109km
05:42
1,690m
1,690m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.
4.5
(4)
278
riders
80.6km
04:25
1,360m
1,360m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.
285
riders
58.1km
02:58
770m
770m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
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The Trabakua mountain pass, on the border between Bizkaia and Gipuzkoa, is a short but intense climb, surrounded by green slopes and Basque farmhouses.
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Not such a nice place for a col, but still
0
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Good cycle path next to the river and main road, so the better choice
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Beautiful climb with great views of the sea
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The road is easy to drive and you can enjoy the view
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Long and fast road along the ocean, perfect tarmac and very smooth to ride
4
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That is NOT A FOREST! It is a single plantation of eucalyptus. In reality it is a disaster painted green, green as hell.
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Also known as Santiago Beach, this 400 meter long beach is located just east of the mouth of the Deba River. Here you can cool off while walking along the shore, or if you feel like it, it is also possible to do different water activities.
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There are over 100 road cycling routes available in the Cenarruza-Puebla De Bolívar area, offering a wide range of options for cyclists of all abilities.
The region is characterized by a rugged relief with very steep slopes and narrow, deep valleys formed by rivers like the Lea and Artibai. You can expect challenging climbs, notably Mount Oiz, and scenic routes through a diverse natural landscape.
The routes around Cenarruza-Puebla De Bolívar cater to various skill levels. You'll find 9 easy routes, 45 moderate routes, and 49 difficult routes, ensuring options for beginners to experienced cyclists seeking a challenge.
Yes, several historical and natural attractions are accessible. You can visit the historic Hermitage of San Miguel de Arretxinaga, the Artzubi Bridge, or explore the unique Oma Forest. The Balcón de Bizkaia Viewpoint also offers stunning vistas.
For spectacular panoramic views, especially of the coastline, consider routes that ascend Mount Oiz. The Panoramic view of Deba – Zarautz Beach loop from Ermua also offers extensive coastal views, and the Balcón de Bizkaia Viewpoint is a key spot for scenic vistas.
Absolutely. The region is known for its challenging gradients, with some exceeding 20% on routes to Mount Oiz. Notable climbs include the Areitio Climb, Alto de Muniketa (Montecalvo), and Alto de Ixua. These offer significant elevation gains and rewarding experiences.
The area is highly rated by the komoot community, with an average score of 4.6 stars from over 60 reviews. Cyclists often praise the diverse terrain, from challenging mountain ascents to picturesque valley rides, and the well-maintained roads that offer a great cycling experience with generally light traffic.
Yes, some routes extend towards the coast, providing stunning sea views. For example, the difficult Panoramic view of Deba – Zarautz Beach loop from Ermua leads towards the coast, including Zarautz Beach, offering extensive panoramic vistas.
Many of the road cycling routes in Cenarruza-Puebla De Bolívar are designed as loops, allowing you to start and finish in the same location. Examples include the Areitio Climb – View of Anboto from Atxondo loop from Ermua and the Altzola Church – Panoramic view of Deba loop from Ermua.
The region's climate generally allows for good cycling conditions for much of the year. Spring and autumn offer pleasant temperatures and vibrant scenery, while summer can be warm but still enjoyable, especially in the mornings or evenings. Winter cycling is possible, but be prepared for cooler temperatures and potentially wet conditions.
Beyond the natural beauty, the area has historical significance. The 'Wine and Fish Route,' which historically connected inland areas with coastal towns, begins in Ziortza-Bolibar, suggesting picturesque routes that traverse the landscape. The Collegiate Church of Ziortza is also an important point along the Way of St. James coastal route, adding cultural interest to your ride.
Roads in the area, particularly those leading to significant features like Mount Oiz, have been re-surfaced to be suitable for road bikes. While gradients can be steep, the surfaces are generally well-maintained, enhancing the cycling experience. Traffic is also typically light on many of these routes.


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