4.6
(21)
285
riders
13
rides
Gravel biking around Arantza is characterized by its position in the foothills of the Pyrenees, offering a mix of rolling hills and river valleys. The region features a network of former railway lines, now greenways, that provide accessible gravel surfaces. Dense woodlands and open agricultural areas define much of the landscape, with routes often following the Bidassoa River.
Last updated: November 3, 2026
4.6
(8)
143
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces.
5.0
(4)
46
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces.

5.0
(1)
12
riders
22.8km
01:18
260m
260m
Moderate gravel ride. Good fitness required. Mostly paved surfaces.
6
riders
58.2km
04:39
1,370m
1,370m
Hard gravel ride. Very good fitness required. Mostly paved surfaces.
4.0
(1)
16
riders
Moderate gravel ride. Good fitness required. Mostly paved surfaces.
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Very beautiful greenway, very pleasant
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Very beautiful greenway along the Bidasoa
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Numerous tunnels on this greenway
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Impressive waterfall not far from the greenway, very refreshing in summer
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very beautiful greenway, good surface, numerous tunnels
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Very beautiful greenway, nice surface, numerous tunnels
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Very pretty tunnels on the greenway
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Next to it is a whitewater kayak training area.
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While many routes in Arantza are rated moderate to difficult due to elevation changes, the region's greenways, often following former railway lines, provide generally accessible gravel surfaces. For a moderate option, consider the Bidassoa Railway Tunnels – Lantxurda Tunnel loop from Bera, which is 25 miles (40.2 km) and explores old railway tunnels.
For longer rides, Arantza offers several options that extend through the river valleys and greenways. A notable long route is the Tunnel on the Vía Verde (EV1) – Lantxurda Tunnel loop from Sunbilla, which spans 39.5 miles (63.5 km) and includes significant sections of the Vía Verde.
The Vía Verde sections, being former railway lines, are generally flatter and wider, making them suitable for families. While specific 'easy' routes are limited, the overall character of the greenways along the Bidassoa River provides a more gentle experience compared to mountainous terrain. Always check the route details for elevation and distance to ensure it matches your family's capabilities.
Yes, many of the gravel bike routes in Arantza are designed as loops, allowing you to start and finish in the same location. Examples include the Bidasoa Dam and Sluice Gates – Tunnel on the Vía Verde (EV1) loop from Bera, which offers a 26.4-mile (42.5 km) ride through riverine landscapes.
Yes, the region around Arantza is home to several natural attractions, including waterfalls. You might consider exploring routes that pass near highlights such as the Aitzondo Waterfall or the Bisusto Waterfall. These natural monuments add scenic beauty to your ride.
Beyond the trails, Arantza's surroundings offer various points of interest. You can find natural monuments like the San Juan Xar Cave Shrine or explore serene lakes such as the Endara-San Anton Reservoir and Leurza Reservoir. The region's history is also visible in structures like the Artikutza Dam.
The best time for gravel biking in Arantza is typically during spring (April to June) and autumn (September to October). During these seasons, the weather is generally mild, and the natural scenery, with its dense woodlands and river valleys, is particularly vibrant. Summer can be warm, and winter may bring colder temperatures and occasional rain, especially given its location in the Pyrenees foothills.
Generally, the greenways and natural trails around Arantza are suitable for dogs, provided they are kept under control and local regulations are followed. It's always advisable to check specific trail signage for any restrictions and ensure your dog is comfortable with the distance and terrain. Remember to bring water for your pet.
Many of the gravel bike routes in Arantza start from towns like Sunbilla or Bera, which typically offer public parking facilities. Look for designated parking areas near the start points of popular greenways or town centers. Always check local signage for parking regulations and fees.
Yes, Arantza offers several challenging routes for experienced gravel bikers, often featuring significant elevation gains. For instance, the Lantxurda Tunnel – Col d'Ibardin loop from Bera is a difficult 26-mile (41.8 km) ride with considerable climbing, taking you towards the Col d'Ibardin.
The gravel bike trails in Arantza are highly rated by the komoot community, with an average score of 4.7 stars. Reviewers often praise the unique experience of riding through historic railway tunnels, the scenic beauty of the Bidassoa River valleys, and the well-maintained greenway sections that offer a mix of terrain.
There are over 10 gravel bike trails available around Arantza, offering a variety of distances and difficulties. These routes leverage the region's network of greenways and river paths, providing diverse options for exploration.
As many routes pass through or near towns like Sunbilla and Bera, you'll find opportunities to stop at local cafes and pubs. These establishments often provide a welcome break and a chance to experience local hospitality. It's a good idea to plan your route with potential refreshment stops in mind.


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