4.5
(523)
4,408
hikers
33
hikes
Hiking around Aralar, a natural park in the Basque Country, features diverse landscapes including karstic mountains, high-altitude meadows, and extensive beech forests. The region is characterized by limestone massifs, notable peaks like Txindoki and Intzeko Torrea, and several river basins. Water features such as the Lareo Reservoir and Cascada de Osinberde are present, alongside ancient forests.
Last updated: May 6, 2026
4.8
(4)
59
hikers
10.2km
02:56
250m
250m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
5.0
(4)
34
hikers
16.3km
05:15
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
(7)
59
hikers
11.7km
03:22
290m
290m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
5.0
(2)
10
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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Aralar offers a diverse network of over 30 hiking trails. These routes cater to various skill levels, from moderate loops through ancient forests to challenging ascents of its karstic peaks.
Yes, Aralar has options suitable for families and those seeking easier walks. While most routes are moderate, you can find gentle paths, such as the scenic circuit around the Lareo Reservoir, which is surrounded by beautiful beech forests. The trail to Cascada de Osinberde is another accessible option.
For experienced hikers, Aralar presents several challenging routes, particularly those ascending its prominent peaks. Trails like the Igaratza Shelter and Spring – Irumugarrieta Summit loop from Albia offer significant elevation gain and expansive vistas from summits like Irumugarrieta, the highest point in the protected area. Another demanding option is the Igaratza Shelter and Spring – Igaratza Free Shelter loop, which navigates through the rugged mountain range.
Many of Aralar's trails are designed as circular routes, allowing you to start and end at the same point. A popular moderate example is the Lurgorri – Errenaga Summit loop from Albia, which provides views of the summit and surrounding landscapes. Another option is the Igaratza Free Shelter – Igaratza Shelter and Spring loop from Albia.
Aralar is rich in natural beauty. You can discover stunning water features like the Cascada de Osinberde waterfall and the serene Lareo Reservoir. The region's karstic landscape also features unique formations, and you can explore the Puttarri Cave Passage on routes such as the Lurgorri – Puttarri Cave Passage loop from Albia. Peaks like Errenaga Summit offer panoramic views.
Yes, Aralar is steeped in history. You can encounter numerous megalithic monuments, including over 30 dolmens, 15 burial mounds, and 7 monoliths, remnants from the Neolithic period. The Sanctuary of San Miguel in Excelsis, a Romanesque church from 1098, is another significant cultural landmark in the southern part of the range. You might also spot Ancient Shepherds' Stone Huts.
Aralar's extensive network of trails and natural environment generally welcomes dogs. However, it's always advisable to keep dogs on a leash, especially in areas with livestock (Latxa sheep graze here from May to November) or protected wildlife. Always follow local regulations and ensure your dog is well-behaved around other hikers and animals.
The best time to hike in Aralar is typically from spring to autumn (May to October). During these months, the weather is generally milder, and the high-altitude meadows are lush. Summer offers warmer temperatures, while autumn brings vibrant colors to the beech forests. Winter hiking is possible but requires appropriate gear due to potential snow and colder conditions.
The Lizarrusti Pass is a key access point for many popular routes and offers an information center, hostel, and restaurant, making it a convenient starting point. Additionally, there is an Albia Parking Area which serves as a trailhead for several routes.
The komoot community highly rates hiking in Aralar, with an average score of 4.4 stars from over 140 reviews. Hikers frequently praise the diverse landscapes, from the dramatic karstic mountains to the serene beech forests, and the extensive, well-maintained trail network that offers options for all abilities.
Aralar is home to rich biodiversity. Keep an eye out for griffon vultures, Egyptian vultures, and golden eagles soaring overhead. In the forests, you might spot roe deer or wild boar. The extensive pastures are grazed by Latxa sheep, contributing to the area's pastoral charm and the production of Idiazabal cheese.


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