49
hikers
6
hikes
Mountaineering routes around Ergoiena traverse a diverse and striking natural landscape within Navarre, Spain. The region is characterized by its mountainous terrain, offering varied experiences for mountaineers. Key features include the Aralar Natural Park and the Sierra de Aralar mountain range, which present significant elevation changes and challenging paths. Ergoiena's mountains terrain elevation difficulty ranges from moderate to difficult, providing rewarding treks through peaks and extensive beech forests.
Last updated: May 17, 2026
17
hikers
11.8km
05:49
970m
970m
Hard mountaineering route. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
16
hikers
9.87km
04:57
810m
810m
Hard mountaineering route. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

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6
hikers
5.75km
02:47
540m
540m
Moderate mountaineering route. Good fitness required. Mostly accessible paths. Sure-footedness required.
4
hikers
Hard mountaineering route. Very good fitness required. Mostly accessible paths. Sure-footedness required.
4
hikers
21.4km
07:35
880m
880m
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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Mountaineering routes in Ergoiena primarily range from moderate to difficult. This guide features 7 routes, with 2 classified as moderate and 5 as difficult, offering challenging ascents and significant elevation gains.
While many routes in Ergoiena are rated moderate to difficult, the region's diverse landscape includes areas like the beech forests around the Lareo Reservoir that might offer more accessible sections. For a moderate challenge, consider the Amezti loop from Amezketa, which covers 5.7 km with a significant but manageable elevation gain.
Ergoiena's mountaineering routes offer stunning natural features. You can expect panoramic views from peaks like Beriain, extensive beech forests, and varied mountain terrain. Notable landmarks include the Portupekoleze Arch, the Bargagain Summit and Cross, and the Ubaba Viewpoint (Pilatos Balcony), offering breathtaking vistas.
Yes, several routes in Ergoiena are circular, allowing you to start and end in the same location. Examples include the popular Beriain loop from Uharte Arakil, the Sierra de San Donato loop from Ergoiena, and the Larrunarri - Txindoki loop from Amezketa.
The mountainous terrain of Ergoiena, particularly the Sierra de Aralar, is generally best explored during spring, summer, and early autumn. These seasons offer more stable weather conditions and clearer paths. Winter mountaineering is possible but requires specific alpine experience and equipment due to snow and ice.
Yes, the region is known for its natural cavities and caves, especially within the Sierra de Aralar. While not directly on every mountaineering route, you can find highlights like the Artazul Waterfall and various caves such as Lezaundi and Puttarri Cave Passage nearby, which can be explored as separate excursions.
For a longer and more challenging experience, consider the Lareo Reservoir – Spectacular trail through beech trees loop from Lizarrustiko lepoa. This difficult route spans nearly 18 km and involves significant elevation changes, taking over 6 hours to complete.
Yes, many routes offer exceptional viewpoints. For instance, the ascent to Beriain Peak provides panoramic views of lush forests and rolling hills. You can also experience scenic saddle points like Portillo de Unanu, which offers breathtaking views of the surrounding scenery.
The Aralar Natural Park, encompassing the Sierra de Aralar mountain range, is a major draw for mountaineers due to its varied topography, including challenging peaks like Sarastarri, extensive cave systems, and diverse flora. It offers a range of trails suitable for different fitness levels, from demanding ascents to routes through beautiful beech forests.
The komoot community frequently praises the diverse and striking natural landscapes of Ergoiena. Mountaineers particularly appreciate the challenging terrain, the rewarding panoramic views from peaks like Beriain, and the serene experience of traversing extensive beech forests. The region offers a true sense of adventure and immersion in nature.
Based on available information, there are no specific permits mentioned as being required for general mountaineering on the routes detailed in this guide. However, it's always advisable to check local regulations, especially if planning to explore sensitive natural areas or caves within the Aralar Natural Park.


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