4.4
(135)
979
hikers
32
hikes
Hiking around Sierra De Aralar offers diverse terrain, characterized by a rugged karstic massif with dramatic rock grooves and distinctive sinkholes across the limestone sierra. The region features extensive beech forests that showcase vibrant colors seasonally, along with serene evergreen meadows and oak groves. Prominent peaks like Txindoki and Intzeko Torrea attract hikers seeking challenging climbs and expansive views. The landscape is also shaped by four main river basins and features the picturesque Lareo Reservoir.
Last updated: July 3, 2026
4.7
(6)
62
hikers
10.4km
02:59
250m
250m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
5.0
(4)
36
hikers
16.2km
05:10
510m
510m
Hard hike. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

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5.0
(1)
16
hikers
Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.
4.7
(9)
62
hikers
11.7km
03:22
290m
290m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
5.0
(3)
12
hikers
13.4km
04:05
350m
350m
Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.
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In the background you can see San Donato
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This place is a must do if you like mountain bike and gravel. Easy to get lost at the end with dense fog, make sure you have your GPS charged. Also in autumn even is not that high can be very cold. tip for gravel: think about your tire pressure, rocks are a serious thing over there.
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Errenaga is a well-known summit of Aralar and visited by mountaineers. The Guardetxe track that goes to the Errenaga shelters passes through the same peak. This summit is a border between Gipuzkoa and Navarra. On its western slope, it shelters the Errenaga shelters and the Andra Mari de Aralar hermitage. One of the shelters is public where you have the possibility to spend the night. The customs office was located on this mountain to control the passage of goods between the towns.
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Here is a free shelter and a source. A few meters away is the hermitage of Andra Mari.
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Here you will find old shepherd's huts built of natural stone with an opening in the roof for the smoke outlet.
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A very small shepherd's shelter with a fireplace.
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Incredible hidden cave under the Puttarri, it is recommended not to enter without the proper equipment
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Sierra De Aralar offers a wide variety of hiking experiences, with over 30 trails documented on komoot. These routes cater to different skill levels, from easy strolls to challenging ascents.
The Sierra De Aralar is characterized by a diverse landscape. You'll encounter rugged karstic massifs with dramatic rock grooves and hidden valleys, extensive beech forests that change colors with the seasons, and serene evergreen meadows. Prominent peaks like Txindoki offer challenging climbs, while subterranean water has carved out distinctive reliefs and sinkholes across the limestone sierra.
The Sierra De Aralar is beautiful year-round. Spring and autumn offer vibrant colors in the beech forests and pleasant temperatures. Summer is ideal for higher altitude hikes, while winter can provide a unique experience for those prepared for snow, especially on higher peaks. Lush meadows are particularly vibrant between May and November.
The trails in Sierra De Aralar are highly rated by the komoot community, with an average score of 4.6 stars from over 100 reviews. Hikers frequently praise the diverse terrain, from challenging mountain paths to peaceful forest walks, and the stunning panoramic views from peaks like Irumugarrieta. The region's natural beauty and cultural heritage, including ancient shepherd's huts, are also often highlighted.
Yes, Sierra De Aralar offers several easy routes. For instance, the Lurgorri loop from Amurgin is an easy 4.3-mile (6.9 km) trail that takes less than two hours to complete, leading through varied landscapes suitable for a relaxed outing.
Absolutely. The region is known as a 'paradise for mountaineers.' Challenging routes include ascents to prominent peaks like Txindoki and Intzeko Torrea (Irumugarrieta). A difficult option is the Igaratza Shelter and Spring – Irumugarrieta Summit loop from Albia, a 10.1-mile (16.3 km) trail with significant elevation gain, offering expansive views from the summit.
Yes, the Sierra De Aralar is rich in natural landmarks. You can visit the impressive Ixkier Waterfall, enjoy the serene Lareo Reservoir, or experience the breathtaking views from Txindoki (1,346 m). The Lizarrusti Pass also offers scenic beauty and serves as a popular starting point for excursions.
Yes, the region is steeped in history and culture. You can explore ancient megalithic monuments like dolmens scattered throughout the landscape. The medieval San Miguel de Aralar Sanctuary is a significant Romanesque church. Many trails also pass traditional shepherd's huts (bordas) and baserris (farmhouses), offering a glimpse into the region's pastoral heritage, such as the Shepherd's Hut with Fireplace – Ancient Shepherds' Stone Huts loop from Amurgin.
Yes, many routes in Sierra De Aralar are designed as loops, allowing you to start and end at the same point. Examples include the Igaratza Shelter and Spring – Irumugarrieta Summit loop from Albia and the Lurgorri loop from Amurgin, which are popular choices among hikers.
Generally, dogs are welcome on trails in Sierra De Aralar, which is part of a natural park. However, it's always recommended to keep them on a leash, especially in areas with livestock (Latxa sheep, dairy cattle, wild horses) or protected wildlife. Please respect local regulations and ensure your dog does not disturb the natural environment or other hikers.
Yes, there are several routes suitable for families. The diverse landscape includes easier paths through forests and meadows that are less strenuous. Look for shorter, less elevated loop trails, such as the Lurgorri loop from Amurgin, which offers an accessible way to experience the region's beauty with children.
Popular starting points for excursions often have designated parking areas. The Lizarrusti mountain pass is a well-known access point with parking facilities, where you'll also find an Interpretation Centre (Parketxe Lizarrusti) providing information about the area. Other common starting points include Ganbara and Campas de Albi, which typically have parking available.
While public transport options directly into the heart of the Sierra De Aralar can be limited, some local bus services connect nearby towns like Lekunberri to larger urban centers. From these towns, you might need to arrange for local taxis or consider carpooling to reach specific trailheads. It's advisable to check local transport schedules in advance.


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