4.7
(3)
334
runners
15
runs
Jogging around Aiako Harria Parke Naturala offers diverse and scenic landscapes, featuring a mix of challenging trail-running routes and gentler paths. The park is characterized by its impressive Aiako Harria massif, with three prominent granite peaks, and a mosaic of mountains and ravines. Joggers can explore varied terrain, from old railway lines transformed into greenways to trails winding through dense forests of oak, beech, chestnut, and pine. The region also includes rugged gorges and the striking Aiztondo ravine, providing a…
Last updated: May 10, 2026
162
runners
Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
4
runners
9.60km
01:30
360m
360m
This challenging 6.0-mile trailrunning route in Aiako Harria Natural Park offers panoramic views and ancient cromlechs.

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4.0
(1)
40
runners
11.0km
01:55
520m
520m
Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
24
runners
23.3km
03:45
1,140m
1,140m
Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
29
runners
Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
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Caution! Approaching Irumugarrieta Peak from the south, you have to climb a serious, vertical wall. Unfortunately, with a dog, we had to give up here and fought our way down cross-country through the undergrowth. The other way around, it probably won't work with a dog even without abseiling. The tour is still very beautiful, but I wouldn't do the special descent again.
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Near the end of the stream section, the concrete blocks covering the stream are as of September 2025 completely missing, leaving you two options forward: 1) walk on a 20cm wide path right next to a big cliff, 2) walk inside of the stream bed, knee-deep in water. We decided to turn back because it did not seem safe for us. Caution recommended!
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Departure point towards the Aia rocks.
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Difficult Route NOT suitable for children. There are areas that require climbing. Skip this route on days when the terrain may be wet (rain, snow, both on that day and in the days prior).
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The final few meters of the ascent and descent are quite exposed in places and are not secured with ropes. Experienced climbers are recommended.
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People suffering from vertigo should avoid... It's not wide at all in places.
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Route through the forest that connects the Elurretxe and Aritxulegi hills
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Aiako Harria Parke Naturala offers a diverse range of terrain for runners. You'll find everything from gentle, paved paths like the Arditurri Greenway, which follows an old railway line, to challenging trail-running routes with significant elevation gains through rugged gorges and dense forests. The park is characterized by its impressive granite peaks and a mosaic of mountains and ravines, providing varied surfaces from forest trails to rocky ascents.
While many routes in the park are considered difficult, there are options for easier jogs. The Arditurri Greenway, for instance, is an old railway line transformed into a pedestrian and cycling path, offering a gentle landscape suitable for various users. For a slightly more challenging but still accessible experience, look for routes with less elevation gain and shorter distances. Komoot lists 2 moderate routes among the 15 available, which might be a good starting point.
Runners in Aiako Harria Parke Naturala can enjoy spectacular natural features and panoramic views. The impressive Aiako Harria massif itself, with its three prominent granite peaks (Irumugarrieta, Txurrumurru, and Erroilbide), offers breathtaking vistas. From elevated points, you can see Txingudi Bay, the towns of Hondarribia, Irun, and Hendaye, and the Oiartzun valley. Don't miss the striking Aiztondo ravine, which features a 100-meter waterfall. You can find the Aitzondo Waterfall and Txurrumurru Summit (828 m) as highlights along some routes.
Absolutely! Aiako Harria Parke Naturala is rich in history. You can explore the ancient Arditurri mines, with dozens of shafts and galleries dating back to Roman times. The Arditurri Mining Complex and the Tunnels of the Old Meazuri Mines are significant historical sites. Additionally, ancient megalithic monuments such as cromlechs, burial mounds, and dolmens can be found, adding a layer of prehistoric interest to the trails. The Oianleku Cromlech is a notable example.
Yes, there are several excellent circular running routes available. For instance, the challenging Peñas de Aia: Erroilbide, Txurrumurru, Irumugarrieta y Muganix offers a circular trail run around the prominent granite peaks. Another popular option is the Munagirre and Oianleku Cromlech Loop, which provides panoramic views and opportunities to encounter ancient cromlechs. The Aritxulegi loop from Lasaingana is also a well-regarded circular trail.
The running routes in Aiako Harria Parke Naturala are highly rated by the komoot community, with an average score of 4.7 stars from over 300 runners. Reviewers often praise the diverse and scenic landscapes, the challenging nature of many trails, and the opportunities to explore both natural beauty and historical sites like the ancient cromlechs and mining complexes.
For experienced runners seeking a challenge, Aiako Harria Parke Naturala offers several long-distance trails with significant elevation gains. An example is the Munagirre Summit (781 m) – Oianleku Cromlech loop from Sorondo, which covers over 23 km with more than 1100 meters of ascent, requiring good fitness and sure-footedness. Another demanding option is the Erlaitz loop from Endarlatsako geltokia, spanning over 14 km with 900 meters of elevation gain.
Yes, the park can be suitable for family-friendly activities, especially on its gentler paths. The Arditurri Greenway is an excellent choice for families, offering a mostly flat and accessible surface. While many of the dedicated running trails are challenging, families can find shorter, less strenuous sections or alternative walking paths that allow them to enjoy the park's natural beauty and historical sites together.
Parking is generally available at various access points around Aiako Harria Parke Naturala. Specific parking areas are often located near trailheads or popular starting points for routes. It's advisable to check the details for individual routes on komoot, as they often provide information on the nearest parking facilities to help you plan your visit.
Public transport options to Aiako Harria Parke Naturala exist, though access might vary depending on the specific trailhead you wish to reach. The park is situated near towns like Irun and Oiartzun, which have public transport connections. From these towns, local buses or taxis might provide closer access to certain areas of the park. It's recommended to research local bus schedules and routes in advance to plan your journey effectively.
Aiako Harria Parke Naturala can be enjoyed year-round, but the best time for running often depends on your preference. Spring and autumn offer pleasant temperatures and vibrant scenery, with lush greenery in spring and beautiful foliage in autumn. Summer is also popular, though it can be warmer, especially at lower elevations. Winter running is possible, but some higher or more exposed trails might require extra caution due to potential ice or snow, particularly on the granite peaks.
Generally, dogs are welcome in Aiako Harria Parke Naturala, but it's important to keep them under control, preferably on a leash, to protect wildlife and ensure the comfort of other visitors. Always clean up after your pet. Specific rules might apply to certain protected areas or facilities within the park, so it's a good idea to check for any local signage or regulations before you go.


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