5.0
(1)
61
riders
6
rides
Gravel biking around Zumarraga offers diverse terrain within Spain's Basque Country, characterized by rolling green hills and picturesque valleys. The region is situated at the foot of the Aizkorri-Aratz Natural Park, providing access to unpaved roads and trails. The Urola River flows through the area, contributing to a varied landscape suitable for gravel cycling. This combination of natural features creates a dynamic environment for riders seeking both ascents and descents.
Last updated: May 18, 2026
11
riders
35.0km
02:21
720m
720m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
10
riders
33.3km
02:17
750m
750m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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5.0
(1)
5
riders
43.5km
03:14
880m
880m
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.
5
riders
23.5km
01:43
640m
640m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4
riders
26.2km
01:56
500m
500m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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This area was a mining complex, the Mutiloa mining district, from the late 19th century. In 1911, 162 miners worked there, and in 1912, 34,500 tons of iron ore were stored and washed. After being transported by rail to Ormaiztegi, it was shipped to European steelworks. (https://www.mutiloakomeatzaritza.eus/es/la-via-verde/)
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The Ormaiztegi Viaduct (inaugurated on August 15, 1864) is the town's most emblematic symbol. Designed by engineer Alexander Lavalley, a predecessor of Gustave Eiffel, it stands in a beautiful landscape overlooking the Eztanda River. It is the most important structure on the Madrid-Paris railway line, spanning 289 meters in length and 34 meters in height. Its 18,000 tons are supported by four pillars. The double track was installed in 1912 and electrified in 1928. It is currently disused and forms part of the Basque Country's cultural heritage.
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Road between Antzuola and Alto de Descarga. Good asphalt and hardly any traffic.
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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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Beautiful town nestled in the Guipuzcoan valley of Alto Urola. The name of the town comes from the Basque and means 'place of the elm'. The river Urola runs through the town and separates it from the municipality of Urretxu. Zumarraga is also the end point of the Vía Verde del Urola, a cycling route that runs through a beautiful rural landscape. A destination with a lot of charm and personality.
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The region around Zumarraga offers a diverse landscape characterized by rolling green hills, picturesque valleys, and the presence of the Urola River. You'll find a mix of ascents and descents, with many routes utilizing unpaved roads and trails within the Natural Park of Aizkorri-Aratz. This varied terrain is ideal for gravel biking, providing both challenging sections and more accessible options.
There are over a dozen gravel bike routes available around Zumarraga, catering to various skill levels. The majority of these, ten to be exact, are classified as difficult, while two are considered moderate.
While many routes in the area are rated as difficult, some sections, particularly those following greenways, can be more suitable for families or beginners. For example, the Azkoitia – Urola Greenway loop from Azkoitia offers a mix of flat sections and gentle inclines, making it a good option to consider for a less strenuous ride.
Many routes offer stunning views and pass by notable landmarks. You might encounter the ancient Hermitage of La Antigua, known as the 'cathedral of Basque hermitages,' or the historical Mirandaola Forge and Park. The region also boasts impressive mountain peaks like Erlokurutz Summit and Erlo Summit, which offer panoramic vistas.
Zumarraga benefits from a temperate maritime climate, making it suitable for outdoor activities throughout much of the year. Mild, wet winters and warm, relatively dry summers mean you can enjoy gravel biking in most seasons. Spring and autumn often provide ideal temperatures and vibrant scenery.
Yes, for experienced riders seeking a challenge, the area offers several difficult routes. The Vasco-Navarro Greenway – Azua Footbridge loop from Oñati is a demanding 53.7-mile (86.5 km) route with significant elevation gain, providing a substantial adventure.
Absolutely. Many of the gravel bike routes in the Zumarraga area are designed as loops, allowing you to start and finish at the same point. Examples include the Aizpurutxo Riverside Pathway – Mirandaola Forge and Park loop from Azkoitia, which offers a moderate 27-mile (43.6 km) ride through varied landscapes.
The gravel biking routes around Zumarraga are highly regarded by the komoot community, holding an average rating of 5.0 stars. Riders often praise the diverse terrain, the beautiful natural surroundings, and the opportunities to explore both challenging ascents and scenic greenways.
Zumarraga is a well-connected town, and many routes start from various points within or near the town center, suggesting accessibility. While specific parking details for each trailhead vary, the presence of a central meeting point like Euskadi Square indicates good infrastructure. For public transport, it's advisable to check local bus or train schedules to access starting points outside the immediate town.
Yes, the Urola River flows through the region, contributing to picturesque riverside pathways. The Aizpurutxo Riverside Pathway – Azkoitia loop from Azkoitia is a great example, leading you through charming riverside and rural landscapes.
The gravel bike trails around Zumarraga are characterized by rolling green hills, meaning you should expect a mix of ascents and descents. Many routes, especially the difficult ones, feature significant elevation gains, such as the climb to Udana Pass on the Mirandaola Forge and Park – Udana Pass Ascent loop from Legazpi, offering rewarding panoramic views at higher points.


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