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Gravel rides
Spain
Basque Country
Gipuzkoa

Gaztelu

The best traffic-free bike rides around Gaztelu

4.7

(7)

102

riders

5

rides

Gravel biking around Gaztelu offers diverse terrain within the verdant Tolosaldea region of Gipuzkoa. The landscape is characterized by green mountains, extensive forests, and rolling hills, providing varied topography for cycling. Notable features include green valleys and the Plazaola Greenway, a repurposed railway path offering traffic-free routes. This environment supports a network of trails suitable for different skill levels.

Best no traffic gravel bike trails around Gaztelu

  • The most popular no traffic gravel bike trail is Witches' Bridge – Plazaola…

Last updated: July 7, 2026

4.7

(3)

51

riders

#1.

Witches' Bridge – Plazaola Greenway loop from Leitzako Udala

45.4km

02:42

570m

570m

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

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Hard

Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Moderate
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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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Popular around Gaztelu

Traffic-free bike rides around Gaztelu

Traffic-free bike rides around Gaztelu

Tips from the Community

Ignacio
May 24, 2026, Uitzi Tunnel

As of May 24, 2026, the tunnel is closed. The alternative route is by road to the village of Leitza. From there, you take the greenway again.

Translated by Google

2

0

A bar with a view and good food, a good place to stop. Closed Mondays.

Translated by Google

0

0

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.

0

0

One of the ideal areas to start the Plazaola greenway

Translated by Google

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Although you have to make a slight detour, it is worth visiting this bridge and taking a photo on it if you want.

Translated by Google

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The 2700m tunnel is impressive and seems to never end. Advice: Bring clothes at least when passing through this tunnel as it is cool. Otherwise there is automatic lighting.

Translated by Google

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2700 m

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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.

Translated by Google

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Frequently Asked Questions

How many no-traffic gravel bike trails are available around Gaztelu?

There are currently 6 dedicated no-traffic gravel bike trails around Gaztelu, offering a range of distances and difficulties for you to explore the beautiful Basque Countryside.

What kind of terrain can I expect on the no-traffic gravel bike trails near Gaztelu?

The terrain around Gaztelu is characterized by green mountains, meadows, and dense forests, typical of the Tolosaldea region. You'll find varied topography, from relatively flat sections along greenways to more challenging climbs and descents through hills and valleys. The mild, rainy climate ensures a lush, verdant environment year-round.

Are there any family-friendly no-traffic gravel routes in the Gaztelu area?

While many routes in the area are rated moderate to difficult, the Plazaola Greenway – Santa Cruz Tunnel loop from Leitza is a moderate option that utilizes the accessible Plazaola Greenway. This repurposed railway path is known for being relatively flat and traffic-free, making it a good choice for families looking for a scenic ride along the Leitzaran river.

What is the best time of year to go gravel biking around Gaztelu?

Thanks to its mild climate, gravel biking around Gaztelu is enjoyable for much of the year. Spring and autumn offer pleasant temperatures and vibrant scenery. Even in winter, the green environment persists, though you should be prepared for potentially rainy conditions, which contribute to the region's lush landscapes.

Are there any long-distance no-traffic gravel routes for experienced riders?

Yes, for experienced riders seeking a significant challenge, the Santa Cruz Tunnel – Witches' Bridge loop from Tolosa is a difficult route spanning over 110 km with substantial elevation gain. This route offers an extensive exploration of the region's varied terrain.

What do other gravel bikers enjoy most about the no-traffic trails in Gaztelu?

The komoot community highly rates the no-traffic gravel biking experience around Gaztelu, with an average score of 4.8 stars. Riders frequently praise the tranquil, traffic-free nature of the routes, the stunning green landscapes, and the diverse terrain that offers both scenic greenways and challenging climbs with views towards the Pyrenees.

Can I find circular no-traffic gravel bike routes near Gaztelu?

Absolutely. Many of the no-traffic gravel routes around Gaztelu are designed as loops, allowing you to start and finish in the same location. Examples include the Witches' Bridge – Plazaola Greenway loop from Leitza and the Cantina del Plazaola – Plazaola Greenway loop from Leitza, both offering extensive circular tours.

Are there any specific natural features or viewpoints along these no-traffic routes?

Many routes traverse the verdant green valleys and extensive forests of the Tolosaldea region. At higher elevations, you can often catch glimpses of the majestic Pyrenees mountains. The Plazaola Greenway itself offers beautiful natural attractions along the Leitzaran river, providing a picturesque backdrop for your ride.

What is the longest no-traffic gravel bike trail available?

The longest no-traffic gravel bike trail currently available is the Santa Cruz Tunnel – Witches' Bridge loop from Tolosa, which covers an impressive distance of over 110 kilometers, making it ideal for a full day's adventure or bikepacking.

Are there any routes that follow rivers or greenways?

Yes, the Plazaola Greenway is a significant feature in the region, offering a fantastic traffic-free experience. Routes like the Plazaola Greenway – Santa Cruz Tunnel loop from Leitza and the Cantina del Plazaola – Plazaola Greenway loop from Leitza utilize this repurposed old railway path, which runs along the scenic Leitzaran river.

Are there any routes that offer a mix of paved and unpaved sections?

The gravel biking routes in the Tolosaldea region, including those around Gaztelu, often feature a mix of terrain. While focusing on no-traffic sections, you can expect segments ranging from well-maintained unpaved paths, like those on the greenways, to rural roads with minimal traffic that might include both paved and more challenging unpaved sections, providing a varied riding experience.

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