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Arratzu

The best gravel rides around Arratzu

11

riders

3

rides

Gravel biking around Arratzu offers diverse terrain within the Urdaibai Biosphere Reserve, characterized by its estuary where the Oka River meets the sea. The region features a mosaic of meadows, ancient oak groves, and narrow valleys shaped by the Golako River. Riders encounter varied elevation changes, from demanding climbs in mountainous areas to scenic paths through traditional farmsteads. This landscape provides a range of surfaces suitable for gravel cycling, blending natural beauty with cultural heritage.

Best gravel bike trails around…

Last updated: July 4, 2026

2

riders

#1.

Guernica Mural in Gernika – Artzubi Bridge loop from Gernika

30.3km

02:43

870m

870m

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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Hard

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard
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Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard

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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.

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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

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Bastian303
August 6, 2024, Lekeitio

Lonely coastal road for cycling with a beautiful beach and bars for a break.

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There are always great views from the street

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Fahrradpartner
October 30, 2023, Bermeo Harbor

A low point on the tour. It was a Sunday and all the restaurants were packed. When I politely expressed my wish to be able to charge the battery in Spanish, we were literally thrown out. Spaniards drive long distances to eat out on Sundays. It has never happened to us that the battery was not allowed to be charged. Of course we would have eaten and drank. The whole place was almost entirely made up of holiday apartments, with the blinds down and totally dead without the lunch guests. No hotel, no guesthouse, but with a train station. Cheers to the Euskotren regional train in the Basque Country, on time, super helpful staff. So take the train back to Gernica!!!

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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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Javi Jaavii
September 28, 2023, Sollube Summit

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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Frequently Asked Questions

What is the general difficulty level of gravel biking trails around Arratzu?

Gravel biking trails around Arratzu are generally considered difficult. The routes often feature varied elevation changes, including demanding climbs and descents, making them suitable for experienced riders seeking a challenge. For example, the Guernica Mural in Gernika – Artzubi Bridge loop from Gernika covers 18.9 miles (30.4 km) with significant elevation gain.

What kind of terrain and elevation can I expect on gravel bike trails in Arratzu?

The terrain around Arratzu is diverse, ranging from open fields and lush meadows to dense native forests and narrow river valleys. You'll encounter a mix of surfaces suitable for gravel cycling, with significant elevation changes. Routes like the Ondarroa Bay – Puerto de Morga loop from Olabekorta, for instance, involve over 2,400 meters of ascent and descent over its 70.6 miles (113.6 km).

Are there any circular gravel bike routes around Arratzu?

Yes, several gravel bike routes around Arratzu are designed as loops. A notable example is the Lekeitio Old Town and Basilica – Ondarroa Bay loop from Amoroto, which offers a comprehensive experience of coastal views and historical towns over 46.9 miles (75.6 km).

What can I see along the gravel bike trails in Arratzu?

Gravel bike trails in Arratzu offer a rich blend of natural beauty and historical sites. You can explore the ancient Monastery of Santa María de Zenarruza, cross the historic Artzubi Bridge, or visit the unique Guernica Mural in Gernika. Many routes also provide stunning Views over the Urdaibai marsh, and some pass through the enchanting Oma Forest.

Are there family-friendly gravel biking routes in Arratzu?

The gravel biking routes directly around Arratzu, as featured in this guide, are generally rated as difficult due to significant elevation changes and longer distances. While the region offers

What is the best time of year for gravel biking in Arratzu?

The Urdaibai Biosphere Reserve, where Arratzu is located, offers pleasant conditions for gravel biking during spring and autumn. These seasons typically provide milder temperatures and lush landscapes, making for a more comfortable and scenic ride. Summer can also be enjoyable, but be prepared for warmer weather.

Is parking available for gravel bikers in Arratzu?

Yes, parking is generally available in and around Arratzu, particularly in the village centers or near popular trailheads. Many routes start from towns like Gernika or Amoroto, which offer parking facilities. It's advisable to check specific starting points for detailed parking information.

Can I reach Arratzu's gravel trails by public transport with my bike?

Public transport options to Arratzu and the wider Busturialdea area exist, including bus services. However, policies regarding carrying bikes on public transport can vary. It's recommended to check with local transport providers for their specific regulations on bikes before planning your journey.

Are permits required for gravel biking in the Urdaibai Biosphere Reserve?

Generally, no specific permits are required for gravel biking on established trails within the Urdaibai Biosphere Reserve. However, as it is a protected area, riders are expected to respect local regulations, stay on marked paths, and minimize their environmental impact to preserve its natural beauty.

What do other gravel bikers enjoy the most about gravel biking in Arratzu?

The gravel biking experience around Arratzu is highly rated by the komoot community, with an average score of 5.0 stars. Riders frequently praise the diverse landscapes, the blend of challenging ascents with panoramic views, and the opportunity to explore ancient oak groves and historical sites within the Urdaibai Biosphere Reserve.

Are there places to stop for refreshments along the gravel bike trails?

While the trails themselves might be remote, the routes often pass through or near small towns and villages like Arratzu, Gernika, or Lekeitio. These locations typically offer cafes, bars, and restaurants where you can stop for refreshments and a meal. Planning your route with these stops in mind is recommended.

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