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Routes
Gravel rides
Spain
Basque Country
Gipuzkoa
Goierri

Zerain

The best gravel rides around Zerain

5.0

(2)

27

riders

4

rides

Gravel biking around Zerain offers diverse terrain within the mountainous Goierri region of Gipuzkoa, Basque Country. The area features intense green pastures, dense forests, and winding mountain roads, providing varied surfaces for gravel cyclists. Zerain is situated under the Aizkorri mountain range, with routes extending into the Aizkorri-Aratz Natural Park, which includes historical mining tracks. This landscape provides a mix of challenging climbs and scenic paths.

Best gravel bike trails around Zerain

  • The most popular gravel bike trail is Trekutz…

Last updated: June 7, 2026

10

riders

#1.

Trekutz Picnic Area – Aizpurutxo Riverside Pathway loop from Zumarraga

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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Hard

Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.

Hard
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Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.

Hard

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

Hard

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

Hard

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Tips from the Community

Koldo
January 2, 2026, Vía Verde de Mutiloa a Ormaiztegi

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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Koldo
January 2, 2026, Ormaiztegi Viaduct

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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The knights are gone, the coat of arms remains

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No longer active today

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Pau Arbat
November 30, 2023, Zumarraga

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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Pau Arbat
April 23, 2023, Zumarraga

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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Andriuu Coffi
February 15, 2023, Subida a Gorla

The climb to Gorla is a classic amateur category cycling event that takes place in Spain, in the Gipuzkoan town of Vergara. This classic is a professional nursery in the area!

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Picnic area with bike repair point.

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Frequently Asked Questions

How many gravel bike trails are available in Zerain?

There are currently 4 gravel bike routes listed around Zerain on komoot. These routes are generally challenging, offering significant elevation gain and varied terrain through the mountainous Goierri region.

What kind of terrain will I encounter on gravel bike routes in Zerain?

Gravel biking in Zerain features diverse terrain, from intense green pastures and dense forests to winding mountain roads and historical mining tracks. You'll navigate mountainous landscapes, often within the Aizkorri-Aratz Natural Park, providing a mix of challenging climbs and scenic paths.

Are there any beginner-friendly gravel bike routes in Zerain?

The gravel bike routes currently listed around Zerain are generally considered difficult, featuring significant elevation gains and varied surfaces. For example, the Trekutz Picnic Area – Aizpurutxo Riverside Pathway loop from Zumarraga covers over 20 miles with substantial climbing. While challenging, these routes offer rewarding experiences for experienced gravel bikers.

What are some of the longer gravel bike routes in the Zerain area?

For a longer ride, consider the Ormaiztegi Viaduct – Lierni Path loop from Zegama, which spans over 25 miles (41 km) with significant elevation. Another option is the Trekutz Picnic Area – Gorla Recreation Area loop from Oñati, covering over 26 miles (42 km) with substantial climbing.

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

The mountainous Gipuzkoa region, including Zerain, is beautiful year-round. Spring and autumn generally offer the most pleasant temperatures for gravel biking, with lush landscapes. Summers are warm, while winters can bring cooler temperatures and potentially some snow at higher elevations, especially in the Aizkorri range.

Are there any circular gravel bike routes in Zerain?

Yes, all the gravel bike routes listed on komoot for Zerain are loops. For instance, the Ormaiztegi Viaduct – Zegama loop from Beasain is a challenging circular route covering over 27 miles (43 km).

What attractions or natural monuments can I see near the gravel bike trails?

The Zerain area is rich in natural and historical sites. Along or near the trails, you might encounter highlights such as the historic San Adrián Tunnel, or enjoy views from summits like Aizkorri Summit (1,523 m) and Aratz Summit (1,445 m). The Aizpea mining complex, with its ancient iron mines, also offers a unique historical insight within a natural setting.

Are there any scenic viewpoints along the gravel routes in Zerain?

Given Zerain's mountainous setting within the Aizkorri range, many routes offer impressive viewpoints. Passes like Udana Pass Ascent and summits such as Leizarrate Summit (1,053 m) provide panoramic vistas of the Goierri region's dense forests and expansive meadows.

Is Zerain accessible by public transport for gravel bikers?

While Zerain itself is a small, rural village, it is strategically located less than an hour from major Basque cities. Public transport options to the broader Goierri region exist, but direct connections to Zerain might be limited. It's advisable to check local bus schedules from larger towns like Beasain or Zumarraga, which are starting points for some routes, if you plan to rely on public transport.

What do other gravel bikers enjoy most about the trails in Zerain?

The gravel biking routes around Zerain are highly rated by the komoot community, with an average score of 5.0 stars. Reviewers often praise the challenging nature of the routes, the stunning mountainous scenery, and the varied terrain that makes for an engaging ride through dense forests and historical landscapes.

Are there options for parking when gravel biking in Zerain?

As a rural area, Zerain and nearby starting points for routes typically offer parking. Many routes begin from towns like Zumarraga, Zegama, Beasain, or Oñati, where public parking facilities are available. It's always a good idea to check specific starting points for designated parking areas.

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