4.5
(37)
413
riders
16
rides
Gravel biking around Oiartzun offers diverse landscapes, from the mountainous terrain of the Aiako Harria Natural Park to the scenic Oiartzun River valley. The region features a blend of granite massifs, lush forests, and historic trails, providing varied experiences for different skill levels. Cyclists can explore dedicated greenways, such as the Arditurri Greenway, which follows an old mining train path. Mount Jaizkibel also presents opportunities for coastal routes with varied surfaces suitable for gravel riding.
Last updated: July 17, 2026
4.5
(4)
49
riders
32.2km
01:46
320m
320m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
3.8
(6)
37
riders
59.2km
04:17
1,220m
1,220m
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.

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5.0
(1)
44
riders
36.6km
02:38
870m
870m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.8
(5)
26
riders
80.0km
05:14
1,160m
1,160m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.0
(3)
14
riders
50.1km
03:34
1,120m
1,120m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Very beautiful greenway along the Bidasoa
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Numerous tunnels on this greenway
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Very beautiful greenway, nice surface, numerous tunnels
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0
Very pretty tunnels on the greenway
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0
Next to it is a whitewater kayak training area.
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Route demanded by percentages
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Oiartzun offers a wide selection of gravel biking routes, with over 25 trails to explore. These routes cater to various skill levels, from easier greenways to more challenging mountain paths.
The terrain around Oiartzun is incredibly diverse, ranging from the mountainous granite massif of Aiako Harria Natural Park to the lush Oiartzun River Valley. You'll encounter a mix of unpaved tracks, forest paths, and coastal sections, providing varied surfaces suitable for gravel riding. Many routes follow old railway lines, offering relatively flat and accessible options.
Yes, for those seeking a less strenuous ride, the Bidassoa Railway Tunnels – Lantxurda Tunnel loop from Ventas de Irún is a great option. This route follows an old railway path, featuring tunnels and varied terrain that is generally accessible. The Arditurri Greenway, mentioned in the region's research, also provides a relatively flat and accessible option, ideal for gravel biking with a family.
Experienced riders looking for a challenge will find plenty in Oiartzun. The region features 27 difficult routes. One such challenging option is the Lantxurda Tunnel – Endara-San Anton Reservoir loop from Hendaia, which covers over 50 km with significant elevation changes, offering a demanding ride through varied landscapes.
Many gravel routes in Oiartzun offer access to fascinating landmarks and stunning viewpoints. You can explore the historic Fort of Nuestra Señora de Guadalupe or enjoy the panoramic View of San Sebastián Bay from Batería de Santiago. The Arditurri Greenway leads directly to the Arditurri Mining Reserve, where you can explore ancient mines, and the Luberri-Geology Interpretation Centre. Mount Jaizkibel also offers breathtaking coastal views.
Yes, many of the gravel routes in Oiartzun are designed as loops, allowing you to start and finish in the same location. For example, the popular Jaizkibel – View of the Bay of Biscay loop from Beraun is a challenging circular trail that takes you through Mount Jaizkibel, offering spectacular views.
The gravel biking experience in Oiartzun is highly rated by the komoot community, with an average score of 4.6 stars from over 70 reviews. Riders often praise the diverse landscapes, from challenging mountain climbs to scenic river valleys and coastal paths, as well as the well-maintained greenways that offer a unique blend of nature and history.
Oiartzun is well-connected, and its proximity to a network of greenways means that some routes can be accessed via public transport links from nearby towns like San Sebastian. While specific public transport options for bikes can vary, the region's focus on cycling infrastructure often includes considerations for accessibility.
Yes, Oiartzun and its surrounding villages offer various spots to refuel. Many routes pass through or near charming villages where you can find local cafes and pubs. The Arditurri Greenway, for instance, connects to areas where amenities are available, allowing for convenient stops during your ride.
The Basque Country generally enjoys a mild climate. Spring and autumn are often considered ideal for gravel biking in Oiartzun, offering pleasant temperatures and lush scenery. Summer can also be good, though it might be warmer, while winter can bring cooler, wetter conditions, especially in the mountainous areas.
Many of the natural trails and greenways in Oiartzun are suitable for enjoying with your dog, provided they are well-behaved and kept under control, especially in areas with wildlife or other users. Always check local regulations for specific trails regarding dogs, particularly within natural parks like Aiako Harria.
Parking is generally available in and around Oiartzun, particularly near trailheads and in the town center. For routes like those along the Arditurri Greenway, designated parking areas are often provided to facilitate access for cyclists and visitors.


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