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Spain
Basque Country
Gipuzkoa
Tolosa

Alegia

The best gravel rides around Alegia

5.0

(1)

30

riders

3

rides

Gravel biking around Alegia features routes through the varied terrain of the Basque Country. The region is characterized by rolling hills, river valleys, and sections of woodland, providing diverse surfaces for gravel cyclists. Elevation gains are common, offering challenging climbs and descents. The landscape includes both open rural areas and paths alongside natural water features.

Best gravel bike trails around Alegia

  • The most popular gravel bike trail is Oria River – Andoain loop from Asteasu, a 28.1 miles (45.3…

Last updated: July 3, 2026

10

riders

#1.

Santa Cruz Tunnel – Witches' Bridge loop from Tolosa

110km

07:04

1,760m

1,760m

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. 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

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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inakio
September 8, 2025, Plazaola Greenway

Great route for beginners as has mainly constant and light slopes. Only half a dozen uphills the first 30 km from Pamplona.

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One of the ideal areas to start the Plazaola greenway

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That bridge is called "INTUIA-ko zubia" the INTUIA farmhouse is next to it. The misnamed "witches' bridge" is called UNANIBI-ko zubia, right in the Otita park (beginning of the Leitzaran valley). Don't forget to bring lights to cross the numerous tunnels in this valley!! Not to see but to be seen.

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A must when you pass through this area. Stopping and having a coffee is almost mandatory. 😉

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One of the best greenways we know.

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This beautiful city located in the valley of the Oria River is surrounded by small mountains and green meadows. Thus, it offers you the possibility of escaping from the noise of the city in a few minutes. Furthermore, in its historic center is the church of San Martín de Tours, which is undoubtedly worth a visit.

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Frequently Asked Questions

What is the general difficulty level of gravel biking around Alegia?

Gravel biking around Alegia is characterized by challenging routes. All listed routes are of a difficult grade, featuring significant elevation gains and varied terrain through rolling hills, river valleys, and forested sections.

Are there any beginner-friendly gravel bike trails in Alegia?

Currently, all the gravel bike routes listed for the Alegia area are rated as difficult. They involve substantial climbing and diverse surfaces, making them more suitable for experienced gravel bikers.

What kind of terrain can I expect on gravel bike trails near Alegia?

The terrain around Alegia is diverse, featuring rolling hills, picturesque river valleys, and sections of woodland. You'll encounter varied surfaces, from rural roads to natural paths, with common elevation gains providing both challenging climbs and descents.

Are there any circular gravel bike routes available?

Yes, all the featured gravel bike routes around Alegia are circular. For example, you can explore the Oria River – Andoain loop from Asteasu or the longer Santa Cruz Tunnel – Witches' Bridge loop from Tolosa.

What are some notable natural attractions or viewpoints along the gravel trails?

While riding, you might encounter stunning natural features. The region is home to beautiful waterfalls like the Amezketa Stream Waterfall and the Osinberde Waterfall. There are also several summits offering panoramic views, such as Txindoki (1,346 m) and Hernio Summit.

Are there any historical sites or landmarks to see while gravel biking?

Yes, you can combine your ride with a visit to historical landmarks. The Ormaiztegi Viaduct – View of Aztiria from Mutiloa loop from Beasain route passes by notable viaducts. Additionally, the Igartza Monumental Complex is another interesting historical site in the broader area.

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

The varied terrain of Alegia can be enjoyed throughout much of the year. Spring and autumn generally offer pleasant temperatures and vibrant landscapes. While winter biking is possible, be prepared for potentially wetter and cooler conditions, especially on natural paths.

What do other gravel bikers say about the trails in Alegia?

The gravel biking routes around Alegia are highly regarded by the komoot community, with an average rating of 5.0 stars. Riders often praise the challenging climbs, diverse landscapes, and the sense of adventure found on these trails.

What are the typical distances for gravel bike routes in this area?

The gravel bike routes around Alegia vary in length. You can find routes like the Ormaiztegi Viaduct – Lierni Path loop from Beasain at approximately 26 km, up to longer options such as the Santa Cruz Tunnel – Witches' Bridge loop from Tolosa, which is about 110 km.

Are there any routes that offer a 'hidden gem' experience?

While all routes offer unique experiences, the Olantza Borda – Berrobi loop from Tolosa-Centro is a local favorite that takes you through less-traveled paths, offering a sense of discovery amidst the region's natural beauty.

What are the starting points for gravel bike trails in Alegia?

The gravel bike routes in the area typically start from nearby towns and villages. For instance, you can begin your ride from Asteasu for the Oria River – Andoain loop, or from Tolosa for the Santa Cruz Tunnel – Witches' Bridge loop. Beasain is another common starting point for routes like the Ormaiztegi Viaduct – View of Aztiria from Mutiloa loop.

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