4.1
(32)
1,373
riders
33
rides
Touring cycling routes around Altzo are set within the Basque Country, characterized by diverse terrain that includes lush valleys, oak and beech forests, and significant hilly areas. The region provides access to the Plazaola Greenway, a converted railway line offering a generally accessible path. Beyond the greenway, the landscape features more challenging ascents and descents, with local routes leading to hills like Uzturre Summit.
Last updated: October 8, 2026
5.0
(3)
30
riders
50.9km
03:55
880m
880m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(2)
174
riders
55.6km
03:31
610m
610m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

1.0
(1)
108
riders
38.7km
02:19
250m
240m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
62
riders
67.8km
04:44
1,200m
1,200m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
31
riders
77.7km
04:53
770m
770m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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I confirm how pleasant that route is, and you can even extend it by going up to Eernio.
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delicious food and drinks
2
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not to be overlooked
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That bridge is called "INTUIA-ko zubia" the INTUIA farmhouse is next to it. The misnamed "witches' bridge" is called UNANIBI-ko zubia, right in the Otita park (beginning of the Leitzaran valley). Don't forget to bring lights to cross the numerous tunnels in this valley!! Not to see but to be seen.
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In the province of Gipuzkoa, Zaldibia is located near the Aralar mountain range. This municipality is crossed by the Amundarain River, which meanders between the houses and creates beautiful contrasts between nature and architecture.
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Orio is a beautiful fishing village with lots of charm. You can eat delicious fish there
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Small and charming fishing village located between the Gipuzkoan coast, the mountain of the Pagoeta Natural Park and the mouth of the Oria river. This beautiful villa has a beautiful historic center, better known as Goiko Kale. An authentic labyrinth of streets dating from the 12th century. Among its main attractions is the baroque church of San Nicolás de Bari and the hermitage of San Martín de Tours.
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There are over 30 touring cycling routes around Altzo, offering a diverse range of experiences. These include 2 easy routes, 8 moderate routes, and 24 difficult routes, catering to various skill levels.
The terrain around Altzo is quite varied. You'll find lush valleys, oak and beech forests, and significant hilly areas. Many routes incorporate sections of the Plazaola Greenway, which is generally flat, but other local routes feature challenging ascents and descents, including climbs towards peaks like Uzturre Summit.
Yes, the Plazaola Greenway is known for being largely flat and accessible, making it suitable for families. While Altzo itself provides access to the Greenway, routes that specifically utilize its simpler sections are ideal for a family outing. Look for routes described as 'easy' or 'moderate' for the most family-friendly options.
Many natural areas and greenways, including sections of the Plazaola Greenway, are generally dog-friendly, especially if your dog is accustomed to cycling alongside you or in a trailer. However, always ensure your dog is on a leash where required and check local regulations for specific trails or protected areas. Be mindful of other cyclists and pedestrians.
Cycling around Altzo offers views of several interesting features. You can visit the historic Witches' Bridge, which is part of the Plazaola Greenway. The routes also wind through the ecologically rich Leitzaran Valley and offer glimpses of peaks like Uzturre Summit (733 m) and Txindoki (1,346 m).
Yes, many routes around Altzo are designed as loops. For example, the difficult Plazaola Greenway and Leitzaran Valley Loop from Tolosa and the moderate Rest and Recreation Area – Old Bridge loop from Tolosa are popular circular options, allowing you to start and end in the same location.
The best time for touring cycling in Altzo, located in the Basque Country, is typically during the spring (April to June) and autumn (September to October). During these seasons, the weather is generally mild and pleasant, with less extreme heat than summer and fewer rainy days than winter, making for comfortable riding conditions through the lush landscapes.
Parking is generally available in Altzo village and in nearby towns that serve as access points to the Plazaola Greenway, such as Andoain or Tolosa. These towns often have designated parking areas suitable for cyclists looking to start their tours. Always check local signage for any parking restrictions or fees.
Yes, towns along the Plazaola Greenway and other local routes, such as Lekunberri, Leitza, and Andoain, offer various amenities including cafes, restaurants, and accommodation. These are excellent spots to refuel, grab a coffee, or enjoy local cuisine during your ride.
The touring cycling routes around Altzo are highly rated by the komoot community, with an average score of 4.1 stars from over 20 reviews. Cyclists often praise the diverse terrain, the scenic beauty of the Plazaola Greenway, and the challenging yet rewarding climbs found in the region.
Given the diverse terrain, which includes sections of the Plazaola Greenway (which can have irregular surfaces) and hilly routes, a touring, hybrid, or gravel bike would be ideal. These bikes offer a good balance of comfort, durability, and versatility for both paved and unpaved sections.
Yes, the Plazaola Greenway, built on an old railway line, is famous for its unique features, including historic bridges and numerous tunnels. Some tunnels can be quite long, so carrying appropriate lighting is recommended, even if they are often illuminated.


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