Aiako Harria is a region in the Pyrenean foothills of eastern Gipuzkoa, characterized by its ancient terrain and diverse natural features. The landscape is dominated by three prominent granite peaks—Irumugarrieta, Txurrumurru, and Erroilbide—which are among the oldest geological formations in the Basque Country. This area features rugged gorges, steep cliffs, and extensive oak and beech forests, providing varied environments for several sports like hiking, road cycling, touring cycling, jogging, and more. Numerous streams and ravines, including the impressive Aiztondo ravine,…
190
Routes
4.4
(875)
Average rating
10636
People visited

4.5
(52)
1,158
riders
54.2km
02:55
960m
960m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

4.2
(13)
458
riders
53.3km
03:08
1,290m
1,290m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

4.2
(24)
837
riders
53.8km
03:00
1,130m
1,130m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

4.0
(1)
250
riders
126km
06:18
1,900m
1,900m
Hard road ride. Very good fitness required. Some segments of this route may be unpaved and difficult to ride.
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4.7
(79)
742
hikers
7.47km
03:12
410m
410m
Hard hike. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

4.6
(96)
400
hikers
Moderate hike. Good fitness required. Mostly walkable paths. Sure-footedness required.

4.4
(32)
97
hikers
7.41km
02:22
310m
320m
Moderate hike. Good fitness required. Mostly walkable paths. Sure-footedness required.

4.6
(20)
88
hikers
10.6km
03:11
350m
350m
Moderate hike. Good fitness required. Mostly walkable paths. Sure-footedness required.
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181
runners
Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

6
runners
9.60km
01:30
360m
360m
Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

66
runners
17.6km
02:37
700m
700m
Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

4.0
(1)
45
runners
11.0km
01:55
520m
520m
Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
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3.3
(3)
13
riders
26.9km
01:49
870m
860m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

4.7
(3)
31
riders
30km
03:30
1,010m
1,010m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

15
riders
19.7km
02:06
650m
650m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

18
riders
18.9km
01:59
600m
600m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
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57
riders
42.4km
03:26
780m
780m
Hard bike ride. Very good fitness required. You may need to push your bike for some segments of this route.

3.7
(20)
50
riders
12.2km
00:45
110m
110m
Easy bike ride. Mostly paved surfaces.

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.

5.0
(1)
37
riders
29.9km
01:59
360m
360m
Moderate bike ride. Good fitness required. Mostly paved surfaces.
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3.8
(6)
40
riders
59.2km
04:16
1,210m
1,210m
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.

4.0
(2)
32
riders
29.5km
02:10
700m
700m
Hard gravel ride. Very good fitness required. Mostly paved surfaces.

5.0
(1)
31
riders
74.7km
05:31
1,730m
1,730m
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.

5.0
(4)
46
riders
43.3km
02:25
500m
500m
Hard gravel ride. Very good fitness required. Mostly paved surfaces.
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6
hikers
11.0km
04:25
530m
530m
Moderate mountaineering route. Good fitness required. Mostly walkable paths. Sure-footedness required.

4
hikers
16.3km
06:13
960m
960m
Hard mountaineering route. Very good fitness required. Mostly walkable paths. Sure-footedness required.

5.0
(2)
1
hikers
6.07km
02:16
310m
310m
Moderate mountaineering route. Good fitness required. Mostly walkable paths. Sure-footedness required.

5.0
(1)
2
hikers
14.5km
05:07
760m
760m
Hard mountaineering route. Very good fitness required. Mostly walkable paths. Sure-footedness required.
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Aiako Harria Natural Park is located in the Pyrenean foothills of eastern Gipuzkoa, characterized by its ancient granite peaks and diverse landscapes. It features extensive oak and beech forests, rugged gorges, and numerous streams. The park is one of the oldest geological formations in the Basque Country.
Aiako Harria offers a variety of outdoor activities including hiking, road cycling, touring cycling, jogging, mountain biking, gravel biking, and mountaineering. The region has more than 100 routes available for exploration across these sports.
Aiako Harria features over 100 hiking routes, ranging from easy walks to strenuous ascents of its granite peaks. Popular options include trails exploring the Arditurri Mining Complex or routes through the lush forests. More information is available in the Hiking in Aiako Harria guide.
Yes, Aiako Harria offers several routes suitable for families. These trails often feature gentler terrain and points of interest for all ages. Specific options can be found in the Family-friendly hikes in Aiako Harria guide.
The region provides routes for road cycling, touring cycling, mountain biking, and gravel biking. The Arditurri Greenway is a notable option for touring cyclists, connecting the natural park to the Cantabrian Sea. Guides like Road Cycling Routes in Aiako Harria offer detailed information.
The park's main features include its three granite peaks—Irumugarrieta, Txurrumurru, and Erroilbide—which offer panoramic views. Other highlights include rugged gorges, extensive oak and beech forests, and the impressive Aiztondo ravine with its 100-meter waterfall. The Arditurri Mining Complex also represents a significant historical landmark.
Yes, Aiako Harria includes routes suitable for beginners across various sports. For hiking, there are less challenging trails that allow for a gentle introduction to the park's natural beauty. The Easy hikes in Aiako Harria guide provides specific recommendations.
Aiako Harria is a popular destination on komoot, with more than 340,000 visitors sharing their experiences. The routes in the region have an average rating of 4.47 out of 5 stars, indicating high user satisfaction.
Yes, it is possible to access Aiako Harria using public transport. There are specific routes designed to start from bus stations, making the park accessible without a private vehicle. Consult the Hikes from bus stations in Aiako Harria guide for details.
Komoot offers several guides for Aiako Harria, covering various activities and interests. These include guides for Hiking, Family-friendly hikes, Road Cycling Routes, and Running Trails.
Elevation gain varies significantly across Aiako Harria's diverse terrain. While some easy routes have minimal gain, ascents to the granite peaks like Erroilbide (2,766 feet / 843 meters) involve substantial climbs. Hikers can find routes suited to different fitness levels and desired challenges.
Yes, Aiako Harria offers several viewpoints, particularly from its three prominent granite peaks. These locations provide panoramic vistas of Txingudi Bay, the towns of Hondarribia, Irun, Hendaye, Mount Jaizkibel, and the Oiartzun valley. Many trails lead to these scenic spots.
The Arditurri Mining Complex is a significant historical site within Aiako Harria, showcasing two millennia of mining activity. Information about this site and trails that explore it, such as the Arditurri Mines Trail, is available through the Arditurri Visitor Centre. The visitor center can be reached at +34 943 495 069.

