4.4
(1424)
20,556
riders
131
rides
No traffic touring cycling routes in Aiako Harria traverse a landscape characterized by ancient geological formations, including granite peaks exceeding 800 meters. The region features rugged gorges, steep cliffs, and extensive oak and beech woods surrounding the Añarbe reservoir. Pine forests and the impressive Aitzondo waterfall contribute to the varied scenery, offering diverse terrain for cyclists. This natural park provides a range of paths, from adapted greenways to more challenging routes with elevation gains.
Last updated: August 23, 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.
4.6
(5)
45
riders
35.6km
02:55
1,080m
1,080m
Hard bike ride. Very good fitness required. You may need to push your bike for some segments of this route.
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Departure point towards the Aia rocks.
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Route demanded by percentages
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Sacred stone monuments believed to belong to the Bronze Age settlements around Aguiña Peak.
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Listen to the sound of river water flowing along small rapids. The river landscape is never far away in this part of the world, where rainwater ran down the mountains back to the coast.
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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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Aiako Harria offers a wide selection of traffic-free touring cycling routes, with over 120 options to explore. These routes vary in difficulty, ensuring there's something for every cyclist, from leisurely rides to more challenging adventures.
The no traffic touring routes in Aiako Harria feature diverse terrain. You'll find sections on well-maintained greenways, like the Arditurri Greenway, which follows an old train track. Other routes may include gravel paths, forest roads through oak and beech woods, and some sections with elevation gains, especially as you approach the park's granite peaks. The region's ancient geological formations mean you can expect varied landscapes.
Yes, Aiako Harria has several easy, family-friendly no traffic touring routes. The Arditurri Greenway is particularly suitable, offering a mostly flat and adapted path that connects Donostia-San Sebastian to the heart of the natural park. These routes are perfect for those looking for a relaxed ride away from vehicle traffic.
You'll encounter stunning natural features. Many routes pass through extensive oak and beech woods, offering shade and scenic beauty. A notable highlight is the impressive Aitzondo Waterfall, one of Gipuzkoa's largest. You might also spot the park's prominent granite peaks like Txurrumurru Summit, Irumugarrieta Peak, and Erroilbide Summit, which are among the oldest geological formations in the Basque Country.
Absolutely. The Arditurri mining complex is a significant attraction, with tunnels that were part of an old mining train route, now open to the public. You can also discover prehistoric remains such as cromlechs, burial mounds, and dolmens, including the Oianleku Cromlech. The Luberri geological interpretation center in Oiartzun offers further insights into the region's past.
The no traffic touring cycling routes in Aiako Harria are highly rated by the komoot community, with an average score of 4.4 stars. Reviewers often praise the tranquility and natural beauty of the routes, the opportunity to cycle through ancient forests, and the unique experience of visiting historical sites like the Arditurri mines directly from a cycling path. The variety of terrain and the sense of being immersed in nature are frequently highlighted.
Yes, you can find several circular no traffic touring cycling routes in Aiako Harria. These routes are designed to bring you back to your starting point, making planning easier. They often combine sections of greenways with quieter forest roads, allowing you to experience different facets of the park's landscape in a single ride.
Many of the no traffic routes in Aiako Harria are suitable for cycling with dogs, especially those on wider paths and greenways. However, it's always recommended to keep your dog on a leash, particularly in areas with wildlife or near livestock. Please check specific route details on komoot for any restrictions or recommendations regarding pets.
Public transport access to Aiako Harria's no traffic routes is generally good, especially to towns bordering the park like Oiartzun or Irún. The Arditurri Greenway, for instance, is easily accessible from Donostia-San Sebastian, which has good public transport links. From these towns, you can often connect directly to the start of many routes. It's advisable to check local bus or train schedules for the most up-to-date information.
Parking is available at various access points around Aiako Harria Natural Park, particularly near the start of popular routes like the Arditurri Greenway. Towns such as Oiartzun and Irún offer parking facilities. Look for designated parking areas near trailheads or visitor centers, which often provide convenient access to the traffic-free cycling paths.
Aiako Harria is rich in biodiversity. While cycling, especially along streams like Aitzondo and Endara, you might spot European mink, the semi-aquatic desman, and even salmon. In the skies above, keep an eye out for peregrine falcons and griffon vultures. The extensive forests also provide habitat for various bird species and other woodland creatures.
The best time to cycle the no traffic routes in Aiako Harria is generally during spring and autumn. These seasons offer pleasant temperatures, lush greenery, and fewer crowds. Spring brings blooming flora, while autumn showcases vibrant fall colors in the extensive oak and beech woods. Summer can also be enjoyable, but it's wise to start early to avoid the midday heat, especially on routes with less tree cover.


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