4.4
(1542)
21,399
riders
390
rides
Touring cycling in Aiako Harria offers routes through a landscape characterized by ancient granite peaks, extensive oak and beech woods, and dramatic gorges. The region is centered around the Aiako Harria Natural Park, featuring geological formations over 300 million years old and prominent peaks exceeding 800 meters. Cyclists can explore areas around the Añarbe reservoir and the historical Arditurri Mining Complex, where old mining railway tunnels are integrated into many routes. The terrain includes both paved greenways and more demanding unpaved sections.
Last updated: August 17, 2026
3.7
(20)
50
riders
12.2km
00:45
110m
110m
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
10
riders
9.71km
00:57
430m
430m
Hard bike ride. Good fitness required. You may need to push your bike for some segments of this route.

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10
riders
25.4km
01:55
630m
630m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4
riders
31.5km
02:49
750m
750m
Hard bike ride. Very good fitness required. You may need to push your bike for some segments of this route.
32
riders
40.6km
03:20
1,270m
1,260m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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very hard pass at the end, with passages at more than 10% on average.
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Small rail that can be used as a shelter. Inside there are some benches and tables and it also has a fireplace.
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The Greenway crosses the entire municipality and ends at the foot of the imposing Aiako Harria and runs parallel to the Oiartzun river, on the old railway line that linked the Arditurri mines – exploited since the 1st century by the Romans – with the port of Pasaia .
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Bridge that crosses the Urumea River in the passage of the small nucleus of and that is in an area surrounded by green and humid mountains. Beautiful place to stop and enjoy the river!
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On this part of the trail, to your right, in the woods, there is a rock of gigantic proportions. Dans cette section, à votre droite, dans la forêt se trouve un rocher de proportion titanesque. On this section, to your right, in the forest, is situated a rock of gigantic proportions.
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mythical port. One tip: it's easier to download it than upload it :)
2
2
A public bike cleaning point with a couple of hoses with good pressure.
0
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Juanita Restaurant a perfect place to refuel or finish the route. A very nice terrace and delicious portions to eat
1
0
Aiako Harria offers a wide selection of touring cycling routes, with over 340 options available. These routes cater to various skill levels, including easy, moderate, and difficult trails.
Cyclists in Aiako Harria can expect diverse landscapes, from ancient granite peaks and extensive oak and beech woods, particularly around the Añarbe reservoir, to dramatic gorges and streams. The region is characterized by geological formations over 300 million years old, offering breathtaking natural scenery.
Yes, Aiako Harria features several easy routes suitable for families. The Scenic Pathway loop from Arditurriko mehatzak is an excellent choice, being 7.6 miles (12.2 km) long and offering scenic views around the historic Arditurri Mining Complex on a fully adapted path.
Many routes incorporate the region's rich history. The Arditurri Mining Complex – Scenic Pathway loop from Oiartzun takes you through the ancient Arditurri Mining Complex, which has evidence of mining activities dating back over 2,000 years. You can explore old mines and tunnels, which are often integrated into the cycling paths.
Yes, many touring cycling routes in Aiako Harria are designed as loops. For example, the Scenic Pathway – Irubideta Forest Path loop from Oiartzun is a 17.0 miles (27.4 km) trail that leads through dense forest paths, offering a complete circular experience.
While specific seasonal conditions are not detailed, the diverse terrain and natural beauty of Aiako Harria suggest that spring and autumn would offer pleasant temperatures and vibrant scenery for touring cycling. Summer can also be enjoyable, especially in shaded forest areas.
The diverse ecosystems within Aiako Harria Natural Park support a variety of wildlife. You might spot European mink and semi-aquatic desmans near streams, salmon in the rivers, and various birds of prey such as peregrine falcons and griffon vultures soaring above the granite peaks.
Absolutely. The park is home to several natural monuments. The Aitzondo Waterfall is a major attraction with a dramatic 140-meter drop. You can also find impressive peaks like Txurrumurru Summit (828 m) and ancient megalithic structures such as the Oianleku Cromlech.
For experienced touring cyclists seeking a challenge, Aiako Harria offers routes with significant elevation gain. The Col d'Ibardin loop from Hendaye is a difficult 27.5 km route with substantial climbing, providing a rewarding experience for those with good fitness.
The Arditurri Greenway provides convenient access to the Natural Park, with a dedicated 17km bike lane connecting Donostia-San Sebastian to the greenway. This suggests that public transport to Donostia-San Sebastian or Oiartzun could be a viable option for reaching the starting points of many routes.
The touring cycling routes in Aiako Harria are highly rated by the komoot community, with an average score of 4.4 stars from over 1,100 reviews. Cyclists often praise the region's unique combination of ancient granite peaks, dense forests, and the historical context provided by the old mining railway tunnels.
Yes, Aiako Harria has several easy routes perfect for beginners or a leisurely ride. The Rio Bidasoa bike trail loop from Pheasant Island is an easy 6.9 km route with minimal elevation, offering a pleasant experience along the river.


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