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Gravel rides
Spain
Basque Country
Biscay
Gran Bilbao

Loiu

The best gravel rides around Loiu

3.8

(19)

271

riders

46

rides

Gravel biking around Loiu offers diverse terrain within Spain's Basque Country, characterized by a mix of hilly and rolling sections, undulating roads, and paths. The region features verdant green countryside, rural roads, and traditional farmhouses, providing a serene backdrop for rides. Situated in the Asua Valley, Loiu's location allows for convenient access to scenic coastal routes along the Bay of Biscay. This landscape provides a continuous blend of climbs and descents, catering to various skill levels.

Best gravel bike trails…

Last updated: May 28, 2026

4.8

(14)

91

riders

#1.

A & C Tunnel Entrance – El Sobaco Tunnel loop from Sestao

48.4km

02:54

740m

740m

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. Mostly paved surfaces. Suitable for all skill levels.

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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Popular around Loiu

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Tips from the Community

ChTh
October 4, 2025, Puente de la Vía Verde de Barakaldo

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

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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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1

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Short and easy quiet route

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Nice bike gravel path!

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one of the oldest and most beautiful bike lanes in the Basque Country

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Very interesting stretch of cycle path along the Ria. There is a lot to see along the route to and from Bilbao.

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There is a fantastic network of cycle paths in and around Bilbao. The cycle superhighways are particularly easy to ride on. It's enough to make you jealous.

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2

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Great cycling route to Bilbao or the coast

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Frequently Asked Questions

How many gravel bike trails are available around Loiu?

There are over 45 gravel bike trails around Loiu, offering a wide range of options for different skill levels and preferences. The komoot community has explored these routes over 300 times, providing an average rating of 4.3 stars.

What kind of terrain can I expect on gravel bike trails in Loiu?

Gravel biking in Loiu offers diverse terrain, characterized by a mix of hilly and rolling sections, undulating roads, and paths. You'll find verdant green countryside, rural roads, and traditional farmhouses, providing a serene backdrop. The region's topography ensures a continuous blend of climbs and descents, with routes like A & C Tunnel Entrance – El Sobaco Tunnel loop from Ansio featuring over 800 meters of elevation gain.

Are there any easy or family-friendly gravel biking options in Loiu?

While many routes around Loiu are rated as difficult, there are moderate options available. The region's diverse terrain caters to a range of skill levels, from moderate loops suitable for families to more challenging routes. Look for routes with less significant elevation gains if you're seeking an easier ride.

What are some challenging gravel bike routes near Loiu?

For a significant challenge, consider routes like A & C Tunnel Entrance – El Sobaco Tunnel loop from Ansio, a 44.2-mile (71.2 km) trail with over 800 meters of elevation gain. Another difficult option is View of Bilbao and Rest Area – Hirumugarrieta Megalithic Site loop from Basarrate, an 18.4-mile (29.5 km) path with nearly 700 meters of climbing, offering views of Bilbao and historical sites.

Can I find circular gravel bike routes in Loiu?

Yes, many of the gravel bike trails around Loiu are designed as loops, allowing you to start and end at the same point. Examples include Riverside Cycle Path to Bilbao – Views of the Bilbao estuary loop from Santimami/San Mamés and Hirumugarrieta Megalithic Site – Forest Trail Near Bilbao loop from Elotxelerri, which offer varied scenery and return to your starting location.

What are the best times of year to go gravel biking in Loiu?

Loiu, situated in the Basque Country, generally offers pleasant conditions for gravel biking through much of the year. Spring and autumn provide mild temperatures and vibrant landscapes. While specific seasonal conditions can vary, the green countryside is particularly inviting outside of the hottest summer months or potentially wetter winter periods.

Are there any interesting landmarks or attractions along the gravel routes in Loiu?

Yes, gravel routes around Loiu can lead you to several interesting landmarks. For instance, the View of Bilbao and Rest Area – Hirumugarrieta Megalithic Site loop from Basarrate passes by the Hirumugarrieta Megalithic Site. Other nearby attractions include the historic Butrón Castle and various mountain peaks like Mount Pagasarri, which can be incorporated into longer rides.

Is it possible to access coastal views or routes from Loiu?

While Loiu is not directly on the coast, its location provides convenient access to scenic coastal routes along the Bay of Biscay. This means you can experience stunning seaside views and pass through charming seaside communities as part of longer rides that originate from or pass through Loiu.

Are there options for parking near the gravel bike trails in Loiu?

Loiu's rural setting often means that starting points for trails, especially those outside the immediate urban areas, may have parking available. Given its proximity to Bilbao and the airport, there are likely various parking options, particularly in smaller towns or designated trailheads, making it convenient to access the routes by car.

Can I reach the gravel biking trails in Loiu using public transport?

Loiu's immediate proximity to Bilbao and the Bilbao Airport within its municipality suggests good public transport connectivity. You can likely use public transport to reach starting points for many cycling trails, especially those closer to urban centers or well-connected villages in the Asua Valley.

Are there any cafes or pubs along the gravel biking routes in Loiu?

The Basque Country is known for its charming villages and traditional 'baserris' (farmhouses). While specific cafes or pubs on every route aren't listed, many routes will pass through or near small towns and villages where you can find local establishments to refuel and enjoy regional cuisine.

What do other gravel bikers enjoy the most about gravel biking in Loiu?

The area is highly rated by the komoot community, with an average score of 4.3 stars from over 15 reviews. Reviewers often praise the diverse terrain, the blend of climbs and descents, and the opportunity to explore the green countryside and rural roads away from heavy traffic. The scenic views, including those of Bilbao and the estuary, are also frequently highlighted.

Are there any 'Vías Verdes' (Greenways) suitable for gravel biking near Loiu?

The broader Basque Country features 'Vías Verdes,' which are disused railway lines converted into traffic-free paths. These often unpaved surfaces are excellent for gravel biking, offering a unique way to explore the region's hidden valleys and historical landscapes, such as the Vía Verde de los Montes del Hierro, showcasing industrial heritage amidst panoramic views.

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