4.5
(6)
76
riders
3
rides
Gravel biking around Mutriku offers a diverse landscape where the Cantabrian Sea meets mountainous terrain. The region is characterized by an abrupt coastline, significant geological formations like the Flysch and Karst within the UNESCO Global Geopark of the Basque Coast, and inland karst valleys. Elevations rise to over 600 meters, notably with Monte Arno, providing varied routes that combine coastal views with challenging climbs through rural areas. This unique blend of marine and mountainous environments creates a dynamic setting for…
Last updated: July 4, 2026
15
riders
40.9km
02:56
900m
900m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
7
riders
59.5km
03:43
980m
980m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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6
riders
39.6km
02:34
480m
480m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
6
riders
78.4km
06:12
2,010m
2,010m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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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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Good cycle path next to the river and main road, so the better choice
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Start of the Soraluze greenway. The greenway runs along the Deba River, ideal for everyone, with no major gradients.
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Lonely coastal road for cycling with a beautiful beach and bars for a break.
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Good starting point to climb Egoarbitza.
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The beautiful building of the old Urola de Azcoitia train station is currently used as a library. One of its rooms is decorated with old railway sleepers. In the back there is a bike mechanic and washing station.
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Beautiful town nestled in the Guipuzcoan valley of Alto Urola. The name of the town comes from Basque and means 'place of the elm'. The Urola River runs through the town and separates it from the municipality of Urretxu. Zumárraga is also the end point of the Urola greenway, a cycle route that runs through a beautiful rural landscape. A destination with a lot of charm and personality.
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There are at least 3 gravel bike trails around Mutriku documented on komoot. These routes are generally considered difficult, offering significant challenges and rewarding experiences for gravel bikers.
Gravel biking in Mutriku is unique due to its location within the Basque Coast UNESCO Global Geopark. You'll encounter dramatic flysch formations along the coast, showcasing millions of years of geological history, and challenging climbs through inland karst landscapes, including the slopes of Mount Arno. This blend offers both stunning coastal panoramas and rugged mountain terrain.
Yes, the gravel routes around Mutriku are known for their challenging nature. For example, the Riverside Cycle Path – Alto de Karabieta loop from Elgoibar is a difficult 25.4-mile (40.9 km) trail with significant elevation gain. Another demanding option is the Lekeitio Old Town and Basilica – Ondarroa Bay loop from Amoroto, which features nearly 2000 meters of elevation gain over 75.5 km.
You can expect diverse and spectacular views. Coastal routes offer breathtaking panoramas of the Bay of Biscay and the unique flysch cliffs. Inland, trails wind through mountainous terrain, offering vistas of the Olatz Valley's karst landscapes and forested slopes, particularly around Mount Arno. Many routes combine both marine and mountain scenery.
The routes currently highlighted around Mutriku are generally rated as difficult, featuring significant elevation changes and varied terrain. While specific easy or family-friendly gravel routes are not prominently featured, the region's network of paths may include shorter, less strenuous sections suitable for a more relaxed ride. It's advisable to check individual route profiles on komoot for detailed difficulty ratings and elevation before setting out.
The Basque Country generally enjoys mild weather, making spring and autumn ideal for gravel biking. These seasons offer pleasant temperatures and less extreme weather conditions compared to the heat of summer or the potentially wetter and colder winter months. Always check local weather forecasts before your ride.
While gravel biking around Mutriku, you can encounter several notable attractions. The region is famous for its geological formations like the Algorri Flysch and the Zumaia Flysch Cliffs. You might also pass by historical sites such as the San Telmo Hermitage or enjoy the coastal scenery at Strand van Karraspio. The area also features several mountain peaks like Kalamua Summit and Karakate Summit, which offer panoramic views.
Yes, many of the gravel routes around Mutriku are designed as loops. Examples include the Riverside Cycle Path – Alto de Karabieta loop from Elgoibar and the Lekeitio Old Town and Basilica – Ondarroa Bay loop from Amoroto, allowing you to start and finish at the same point.
Mutriku and the surrounding towns are connected by local bus services. While specific bike-friendly public transport options can vary, regional buses often have limited space for bicycles, especially outside peak hours. It's recommended to check with the local transport providers in advance regarding their policies for carrying bikes, particularly for longer journeys or during busy periods.
Mutriku, as a historic fishing village, has public parking available, particularly near the town center and harbor. For routes starting from nearby towns like Elgoibar, Zumaia, or Ondarroa, you'll typically find designated parking areas. Always look for official parking signs and be mindful of local regulations, especially in residential or protected areas.
The gravel trails around Mutriku are highly rated by the komoot community, with an average score of 4.5 stars from over 6 reviews. More than 50 gravel bikers have used komoot to explore the varied terrain, often praising the challenging climbs, diverse landscapes, and stunning coastal views that define the region.


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