4.3
(9)
1,371
runners
49
runs
Jogging around Añarbeko urtegia offers a landscape characterized by the central reservoir, providing tranquil water views. The region features diverse woodlands, including extensive beech forests and a large oak grove, which offer varied terrain and natural ambiance. Paths range from accessible routes along the water to more challenging ascents into the surrounding mountainous backdrop of the Aiako Harria Natural Park. This combination of water, forest, and hills creates a varied environment for running.
Last updated: July 5, 2026
5
runners
6.68km
00:51
200m
210m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4
runners
9.60km
01:30
360m
360m
Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

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24
runners
23.3km
03:45
1,140m
1,140m
Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
20
runners
10.3km
01:37
530m
530m
Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
5.0
(1)
18
runners
7.40km
00:59
230m
230m
Moderate run. Good fitness required. Mostly accessible paths. Some sure footedness required.
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Departure point towards the Aia rocks.
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The route passes through some streams along the way with the convenience of wooden bridges that allow crossing.
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Zaria peak is located at 625 meters above sea level. It is not the highest in this mountain range, but the views are spectacular. The summit is marked by a trigonometric point.
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A natural corridor, the Alto de Aritxulegi passes through the Aiako Harria Natural Park. Spectacular views over the surrounding valleys.
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Small peak of the Aiako Harria Natural Park. A very short distance away is the megalithic remains in the form of the Oianleku cromlech.
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Dolmen listed as Cultural Heritage of Hernani
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Funerary monument dating from the Iron Age and discovered in 1909 and excavated in 1967. Inside the ashes and bones of the deceased were deposited.
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There are over 50 running routes available around Añarbeko urtegia, offering a wide range of options for different preferences and fitness levels.
While the guide primarily lists moderate and difficult routes, many paths around the reservoir are described as 'mostly accessible'. You can find routes that offer a gentler experience, particularly those closer to the water's edge, though specific 'easy' routes are not highlighted in the provided data. It's best to check individual route details for elevation and terrain.
Yes, Añarbeko urtegia is excellent for trail running. Over half of the available routes are classified as 'difficult', including longer trails like the Munagirre Summit (781 m) – Oianleku Cromlech loop from Sorondo, which covers 14.5 miles (23.3 km) and features significant elevation changes through mountainous terrain.
Jogging here offers diverse scenery, including tranquil reservoir views, extensive beech forests, and the largest oak grove in Gipuzkoa and Bizkaia. You'll also experience varied terrain, from accessible paths to undulating hills, with the dramatic mountainous backdrop of the Aiako Harria Natural Park.
Yes, some routes incorporate historical elements. For example, the Dolmen Igoingo Lepua I loop from Mugaritz leads through forested areas and past ancient dolmens. The Munagirre Summit (781 m) – Oianleku Cromlech loop from Sorondo also passes ancient cromlechs, offering a glimpse into the region's past.
The region offers varied terrain, and while some routes are challenging, many paths are described as 'mostly accessible'. Families looking for gentler jogs might find suitable sections along the reservoir's edge, though specific 'family-friendly' routes would require checking individual trail details for distance and elevation.
The region is a natural area, and generally, dogs are welcome on trails, especially if kept on a leash. However, as Añarbeko urtegia is part of a significant forest reserve and Natura 2000 network, it's always advisable to check local regulations or signage regarding pets to ensure compliance with conservation efforts.
Yes, many of the running routes around Añarbeko urtegia are circular, allowing you to start and finish at the same point. Examples include the popular Running loop from Urumea and the Dolmen Igoingo Lepua I loop from Mugaritz.
The diverse forests provide shade, making it pleasant during warmer months. The presence of the reservoir often creates a refreshing microclimate. However, the area's natural beauty can be enjoyed year-round, with each season offering a unique experience. Always check local weather conditions before heading out.
While specific parking locations aren't detailed in the route descriptions, access points to the reservoir and its trails typically have designated parking areas. It's recommended to check the starting point of your chosen route on Komoot for precise parking information.
Añarbeko urtegia is situated between several municipalities, including Arano, Errenteria, Donostia, and Oiartzun. While direct public transport to all trailheads might be limited, you can likely reach nearby towns via bus services, and then potentially connect to the reservoir area. It's best to research local bus routes from major hubs like Donostia (San Sebastián) to the closest access points.
The running routes in Añarbeko urtegia are highly rated by the Komoot community, with an average score of 4.3 stars from over 11 reviews. More than 1400 runners have used Komoot to explore the varied terrain, often praising the serene reservoir views, diverse forest paths, and the opportunities for both moderate and challenging runs.
Yes, Añarbeko urtegia is part of a significant forest reserve and a Natura 2000 network site, serving as a habitat for various forest-dwelling fish, birds, and mammals, including wildcats. Joggers might have the chance to observe local wildlife in this protected natural environment, especially during quieter times of the day.
The forests are particularly unique due to their diversity, including extensive beech forests and what is considered the largest oak grove in Gipuzkoa and Bizkaia. These woodlands provide natural shade, varied terrain, and a pleasant natural ambiance, enhancing the running experience with their ecological richness and scenic beauty.


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