29
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2
hikes
Mountaineering around Communauté D'Enirio-Aralar offers a range of routes through the Aralar Natural Park, characterized by its limestone peaks, dense beech forests, and high mountain pastures. The region features significant elevation changes, providing challenging ascents and panoramic views across the Basque mountains. These trails often traverse varied terrain, from rocky paths to grassy slopes, typical of the Pyrenean foothills.
Last updated: July 2, 2026
17
hikers
11.8km
05:49
970m
970m
Hard mountaineering route. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
6
hikers
5.75km
02:47
540m
540m
Moderate mountaineering route. Good fitness required. Mostly accessible paths. Sure-footedness required.

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4
hikers
Hard mountaineering route. Very good fitness required. Mostly accessible paths. Sure-footedness required.
2
hikers
17.3km
07:38
1,160m
1,160m
Hard mountaineering route. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
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From one of the access parking lots.
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Right next to the famous San Donato hermitage.
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The Lareo reservoir is a small reservoir in a beautiful environment. The sheet of water creates a beautiful visual game with the dense forest that surrounds it.
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This spectacular path through the beech forest is just a small sample of the incredible beauty of Aralar. The path runs pristine under the forest and, in some sections, looks out like a balcony from the cliffs.
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The route connects again with the PR-NA 201 at the milestone where the Vertical Kilometer appears on the right, continuing straight through the panoramic mountain meadow to the popular hermitage of San Donato. Part of the sanctuary is converted into a mountain refuge and is delicious when there is a blizzard or bad weather, as was the case the day we did the route. The geodesic vertex of Beriain is next door, on the rocky tip of a cliff that concentrates the kingdom of abysses and cliffs that float above the towns of the Sakana.
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Artificial lake going up the Sierra de Aralar.
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The Lareo reservoir is located in the Aralar Natural Park, near the border with Navarra. It is a small swamp and is surrounded by beech and larch trees, which take on bright colors in the fall. The tour starts from the Parketxe de Lizarrusti interpretation center.
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The Labeo dolmen is located near Lareoko urtegia, and Malkorburu. Of religious or funerary origin, it belongs to the Neolithic, Chalcolithic-Eneolithic and Bronze periods.
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There are several mountaineering routes documented in Communauté D'Enirio-Aralar, offering diverse experiences through the Aralar Natural Park. Komoot currently features 3 distinct mountaineering tours in the area.
While many routes in Communauté D'Enirio-Aralar involve significant elevation, the area does offer moderate options. For instance, the Amezti loop from Amezketa is a moderate 3.6-mile (5.7 km) trail that leads through forested areas and open terrain, often completed in about 2 hours 46 minutes, making it a good choice for those looking for a less strenuous experience.
For experienced mountaineers seeking a challenge, the Beriain loop from Uharte Arakil is a difficult 7.3-mile (11.7 km) trail featuring significant elevation gain to a prominent peak, typically taking nearly 6 hours. Another demanding option is the Sierra de San Donato loop from Uharte Arakil, a difficult 10.6-mile (17.1 km) route with over 1100 meters of ascent.
Yes, many of the mountaineering routes in Communauté D'Enirio-Aralar are circular, allowing you to start and end at the same point. Examples include the popular Larrunarri - Txindoki loop from Amezketa, which offers views of the iconic Txindoki peak, and the Lareo Reservoir – Spectacular trail through beech trees loop from Lizarrustiko lepoa.
The region is rich in natural beauty. Along the trails, you might encounter highlights such as the serene Lareo Reservoir, the impressive Txindoki (1,346 m) summit, or the picturesque Amezketa Stream Waterfall. The area also features ancient beech forests and the Sources of the Iribas River.
The best time for mountaineering in Communauté D'Enirio-Aralar is typically from late spring through early autumn (May to October). During these months, the weather is generally more stable, and trails are clear of snow, offering pleasant conditions for ascents and panoramic views. Always check local weather forecasts before heading out.
The Aralar Natural Park is a protected area. While general access for hiking is usually permitted, it's always advisable to check with local park authorities for any specific regulations, especially concerning camping, fires, or access to sensitive areas. No specific permits are generally required for day hikes on established trails, but rules can change.
Parking is typically available at the starting points of many routes, such as in Uharte Arakil for the Beriain loop or Amezketa for the Txindoki and Amezti loops. Specific parking information can often be found in the route descriptions on Komoot or by checking local signage near trailheads.
While popular routes like those around Txindoki can see more visitors, exploring some of the longer or slightly less-known trails, especially during weekdays or outside of peak season, can offer a more solitary experience. Routes that delve deeper into the beech forests or traverse less prominent peaks might provide more tranquility.
Mountaineers often praise the diverse terrain, from rocky limestone peaks to dense beech forests and high mountain pastures. The significant elevation changes provide rewarding ascents and panoramic views across the Basque mountains. The region's natural beauty and the challenge of its trails are frequently highlighted by the komoot community.
Yes, beyond the natural beauty, the region offers cultural points of interest. You can visit the historic San Miguel de Aralar Sanctuary, a significant religious site, or explore the Igartza Monumental Complex. The Lizarrusti Pass also serves as a notable gateway to the park with facilities.


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