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Spain
Basque Country
Biscay
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Zalla

The best gravel rides around Zalla

5.0

(10)

126

riders

7

rides

Gravel biking around Zalla offers diverse landscapes in the province of Biscay, characterized by the Cadagua River and its greenway. The region features a mix of mountainous terrain, rolling hills, and forested areas, providing varied elevations for gravel routes. Many trails utilize sections of the Cadagua Greenway, which is built on an abandoned railway line and includes both paved and unpaved surfaces. This combination of riverside paths and elevated sections through natural areas defines the gravel biking experience in Zalla.

Last updated: July 3, 2026

5.0

(3)

31

riders

#1.

A & C Tunnel Entrance – El Sobaco Tunnel loop from Castaño auzunea

56.2km

03:27

910m

910m

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

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Hard

5.0

(1)

5

riders

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

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

Moderate
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Tips from the Community

Josema
December 15, 2025, Vía verde de los Montes del Hierro

quiet day

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Bridge on the cycle superhighway over the motorway junction, for cyclists and pedestrians

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0

ChTh
October 4, 2025, El Sobaco Tunnel

Already pretty much at the end/beginning of the railway line, here it is even asphalted, before/later not anymore, but always easy to ride.

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The church is dedicated to Saint Severinus of Noricum, the patron saint of prisoners. It was built in the 15th century in the Gothic style. The church is located in the main square of Balmaseda.

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ChTh
October 3, 2025, Wasserstelle

Good opportunity to refill your drinking water supply here

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2

0

A beautiful funerary hermitage on the lands of the noble Urrutia family, dating back to the 17th century. There is also a chapel dedicated to Saint Anthony of Padua. It is one of the few funerary chapels in Bizkaia. The Urrutia family settled there in the mid-16th century and established a manor house with a palace, a chapel, three blacksmith shops, a mill, and other properties. Antonio Urrutia Salazar and Jeronima Atxuriaga Murga-Loizaga (the seventh lords and ladies of the Urrutia family) ordered the construction of the family's funerary chapel (or hermitage) in 1673. When Simón Urrutia Ermu, the last member of the family, died in 1889, the chapel disappeared. The chapel has a rectangular floor plan and masonry; however, the façade is made of stone. The front facade features a large, semi-arched door with a wrought iron grille. Through this door, the Urrutia family heard mass from the balcony of their palace in front of the chapel. Above the door is the family coat of arms, supported by two lions. Above the chapel is a bell tower with a stone statue of the Assumption of Mary; according to tradition, Mrs. Jeronima herself was the model for the Virgin Mary.

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2

0

Short and easy quiet route

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0

0

Nice bike gravel path!

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Frequently Asked Questions

What kind of terrain can I expect on gravel bike trails around Zalla?

Gravel biking around Zalla offers a diverse mix of landscapes. You'll find routes along the picturesque Cadagua River, including sections of the Cadagua Greenway which features both paved and unpaved surfaces. The region also includes mountainous terrain, rolling hills, and forested areas, providing varied elevations and challenging paths.

Are there any easy or moderate gravel bike routes suitable for beginners in Zalla?

Yes, Zalla offers routes for various skill levels. For a moderate option, consider the Geltoki Restaurant loop from Las Balsas (3466). This 17.7 km trail leads through local countryside and is often completed in about 1 hour 50 minutes, with a manageable elevation gain of 330 meters.

What are some of the more challenging gravel bike routes in the Zalla area?

For experienced gravel bikers seeking a challenge, Zalla has several difficult routes. The Guggenheim Museum Bilbao – Piquillo Greenway loop from Larreineta is a demanding 84.5 km ride with over 1360 meters of ascent. Another option is the Zalla Airfield – Oxirando Tower loop from Sodupe, a difficult 39.9 km route with 694 meters of elevation gain.

What natural features or landmarks can I see along the gravel bike trails in Zalla?

Many routes incorporate scenic natural features and historical sites. You can explore areas along the Cadagua River and its greenway. For impressive views, some trails lead towards Gallarraga Summit (901 m) or the historic San Roque Hermitage on Mount Kolitza. You might also pass by the Old Bridge of Balmaseda or various lakes like Pozo Hostión.

Are there any loop trails for gravel biking in Zalla?

Yes, many gravel routes in Zalla are designed as loops, allowing you to start and end at the same point. Examples include the moderate Geltoki Restaurant loop from Las Balsas (3466) and the more challenging Zalla Airfield – Oxirando Tower loop from Sodupe.

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

While Zalla offers year-round opportunities, the best seasons for gravel biking are typically spring and autumn. During these times, the weather is generally milder, and the natural landscapes are particularly vibrant, making for more comfortable and scenic rides. Summer can also be pleasant, but be prepared for warmer temperatures.

Can I access Zalla's gravel bike trails using public transport?

The Cadagua Greenway, a central feature for gravel biking in Zalla, is easily accessible. You can reach sections of this greenway by train from Bilbao, making it convenient to start your ride without a car.

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

The gravel biking routes around Zalla are highly regarded by the komoot community, with an average score of 4.76 stars from over 10 reviews. Riders often praise the varied terrain, from riverside paths to mountainous sections, and the opportunities to explore both natural beauty and historical sites.

Are there any family-friendly gravel biking options in Zalla?

While many routes in Zalla involve varied elevations and can be challenging, sections of the Cadagua Greenway offer flatter, more accessible terrain that could be suitable for families, depending on the specific section and the family's experience level. Always check the route details for distance and elevation before heading out.

Are there places to eat or drink near the gravel bike trails in Zalla?

Zalla and its surrounding towns offer various amenities. For instance, the Geltoki Restaurant loop from Las Balsas (3466) is named after a local restaurant, suggesting opportunities for refreshments along or near certain routes. Exploring the towns themselves will provide options for cafes and pubs.

How many gravel bike trails are available in the Zalla region?

There are currently 5 gravel bike routes available in the Zalla region, ranging from moderate to difficult, offering diverse experiences for different skill levels.

What is the typical elevation gain on gravel routes in Zalla?

The elevation gain on Zalla's gravel routes varies significantly. Moderate routes like the Geltoki Restaurant loop from Las Balsas (3466) have around 330 meters of ascent. More challenging routes, such as the Guggenheim Museum Bilbao – Piquillo Greenway loop from Larreineta, can feature over 1360 meters of climbing, indicating a mountainous landscape.

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