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Spain
Basque Country
Biscay
Guernika-Bermeo

Arratzu

The best walks and hikes around Arratzu

4.4

(820)

4,660

hikers

167

hikes

Hiking around Arratzu offers access to the Urdaibai Biosphere Reserve, a UNESCO-designated protected area characterized by a mountainous landscape with narrow valleys. The region features diverse natural scenery, including the ancient Arratzu Oak Grove and the River Golako, which shapes the rural environment. Hikers can also find views of the Urdaibai marsh and experience the "campiña atlántica" rural landscape with its meadows and farmhouses.

Best hiking trails around Arratzu

  • The most popular hiking route is Church of Santo Tomás –…

Last updated: July 2, 2026

4.8

(6)

23

hikers

#1.

The emblems of Guernica and Luno - cycling around the Urdaibai Biosphere Reserve

12.2km

03:31

280m

280m

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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Moderate

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

Easy
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Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Moderate

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Moderate

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Moderate
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Popular around Arratzu

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Tips from the Community

Juliane
May 19, 2026, Guernica Mural in Gernika

Recreation of Picasso's famous painting. The original can be seen in Madrid.

Translated by Google

1

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The historic Parliament building (Casa de Juntas) of Bizkaia in Gernikako Batzarretxea. It is located right next to the famous, iconic "Sacred Tree of Gernika". https://jjggbizkaia.eus/en/seats/gernika-assembly-hall

Translated by Google

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The Pasealekua square (also Pasealeku Plaza) in Gernika-Lumo is primarily known for its historical significance during the Civil War (bunker). It is lined with historic buildings and public schools and today serves as a central place for events and markets for the locals. A bronze statue, in memory of the Spanish Civil War, depicts two Basque soldiers fighting for freedom and democracy.

Translated by Google

3

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The old brick factory and chimney of Murueta are a vestige of the industrial tradition linked to the Urdaibai marshes, a reminder of the recent past that today blends into the natural landscape of the reserve.

Translated by Google

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The Urdaibai Bird Center is an internationally renowned observatory that allows visitors to discover the wealth of migratory birds that pass through this reserve throughout the year. In addition to its viewing platforms overlooking the marshes, it features interactive spaces where visitors can learn about the ecological importance of Urdaibai and its role in global migration routes.

Translated by Google

1

0

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.

Translated by Google

0

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Larger square with old buildings all around, plus a war memorial.

Translated by Google

1

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Wall reproduction of Picasso's painting "Guernica" exhibited at the Reina Sofía Museum in Paris.

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Frequently Asked Questions

How many hiking trails are available around Arratzu?

There are over 170 hiking trails around Arratzu, offering a wide range of options for different skill levels and interests. You'll find everything from easy strolls to more challenging routes through forests and along mountainsides.

What kind of terrain can I expect on hikes in Arratzu?

Hikes in Arratzu feature diverse terrain, reflecting its location within the Urdaibai Biosphere Reserve. You can expect mountainous areas with narrow valleys, ancient oak groves like the Arratzu Oak Grove, riverside paths along the River Golako, and the rural "campiña atlántica" landscape with its meadows and farmhouses. Some trails also offer views of the Urdaibai marsh.

Are there any family-friendly hiking options in Arratzu?

Yes, Arratzu offers many family-friendly hiking options. For instance, the Senda del Golako (Golako Trail) is a 5-kilometer route known for its natural richness and cultural treasures, including the historic Artzubi Bridge. There are over 50 easy routes in the area, perfect for families.

What are some notable natural features or landmarks to see while hiking in Arratzu?

Arratzu is rich in natural and historical landmarks. You can explore the ancient Arratzu Oak Grove, one of the best-preserved oak groves in Biscay, or walk along the River Golako. The historic Artzubi Bridge, a 16th-century Romanesque structure, is also a highlight. From certain viewpoints, you can enjoy incredible views of the Urdaibai marsh.

Are there any circular hiking routes in Arratzu?

Yes, there are several circular routes available. A popular easy option is the Church of Santo Tomás – Artzubi Bridge loop from Mendata, which is about 5.1 km long. For a moderate challenge, consider the Agonía de Fuego Sculpture – Market Woman Statue loop from Institutoa, covering 12 km.

What do other hikers enjoy most about hiking in Arratzu?

The hiking trails in Arratzu are highly rated by the komoot community, with an average score of 4.4 stars from over 700 reviews. Hikers often praise the diverse natural scenery, the well-preserved oak groves, and the blend of rural landscapes with historical elements like the Artzubi Bridge. The variety of routes for different abilities is also frequently highlighted.

Can I bring my dog on the hiking trails in Arratzu?

Many trails in Arratzu are suitable for dogs, allowing you to explore the natural beauty with your canine companion. However, it's always recommended to check specific trail regulations or local signage, especially within the Urdaibai Biosphere Reserve, to ensure dogs are permitted and to keep them on a leash where required.

Are there any unique artistic or cultural attractions accessible via hiking trails?

Absolutely. A short distance from Arratzu, you can visit the renowned Oma Forest (Painted Forest) in Kortezubi. This unique outdoor art installation by Agustín Ibarrola features geometric motifs and figures painted on pine tree trunks, offering a truly immersive artistic experience within nature.

What is the best time of year to go hiking in Arratzu?

Arratzu offers pleasant hiking conditions for much of the year. Spring and autumn are particularly popular due to milder temperatures and vibrant natural colors. Summer can also be enjoyable, especially on shaded trails, but it's always wise to check the local weather forecast before heading out.

Is there public transport available to reach hiking trailheads in Arratzu?

Public transport options exist to reach Arratzu and its surrounding areas, which can provide access to various trailheads. For specific routes, it's advisable to consult local bus schedules or regional transport services to plan your journey to the starting points of your chosen hikes.

Where can I find parking for hiking trails in Arratzu?

Parking is generally available in and around the villages and popular starting points for hiking trails in Arratzu. Look for designated parking areas near trailheads or in village centers. It's always a good idea to arrive early during peak seasons to secure a spot.

Are there any challenging hikes for experienced hikers in Arratzu?

Yes, while Arratzu offers many easy and moderate routes, there are also options for more experienced hikers. The region includes mountainous areas, and some trails involve significant elevation gain. For example, the Church of Santa María – Gernika Tree loop from Gernika, though moderate, features over 370 meters of elevation gain. There are 24 difficult routes in the area for those seeking a greater challenge.

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