5.0
(3)
96
hikers
10
hikes
Mountaineering around Isaba/Izaba offers a diverse and rugged natural landscape within the Navarrese Pyrenees. The region is characterized by dramatic mountains, dense forests, and the unique features of the Roncal Valley. High peaks such as Mesa de los Tres Reyes and Pic d'Orhy define the challenging terrain, alongside the expansive Belagua Valley, Navarra's only glacial valley. Further up, the Larra Natural Reserve presents a spectacular karstic massif, contributing to the varied and demanding environment for mountaineers.
Last updated: May 16, 2026
5.0
(1)
21
hikers
Hard mountaineering route. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
5.0
(1)
17
hikers
Hard mountaineering route. Very good fitness required. Mostly accessible paths. Sure-footedness required.

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5.0
(1)
13
hikers
14.8km
06:23
1,050m
1,050m
Hard mountaineering route. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
10
hikers
13.4km
05:32
750m
750m
Hard mountaineering route. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
8
hikers
14.1km
05:35
910m
910m
Hard mountaineering route. Very good fitness required. Mostly accessible paths. Sure-footedness required.
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After breakfast, it closes for a while for cleaning. Fill up your water bottle before heading up, as it's a scarce resource up there.
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There is no ibon, it doesn't match the photos. It's just a pond for the animals to drink from.
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A fairly difficult hike when you're not trained (which was my case) but not impossible if you take your time and go at your own pace. On the other hand, it's a very beautiful hike! The landscapes are magnificent. There are two parking lots, the Masousa parking lot and another higher up which saves 45 minutes, but the road is very bumpy.
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If you arrive early you can have minutes of silence
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Exceptional spot. To fully enjoy it, sunrise or sunset are preferred.
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Pleasant cabin and well located for getting to Pic d'Anie in the early morning. During my visit (10/2023) only the SAS entrance to the cabin was accessible. The other 2 rooms were locked. Presence of a water point just a few meters from the cabin (be careful of the noise generated if you spend the night there).
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The peak of Arlas forms a beautiful, incisive tooth, which stands out particularly well in the surrounding panoramas. On this point, you are ideally placed to admire his profile. The peak rises to an altitude of 2,044 meters and is located between Navarre in Spain and the Pyrénées-Atlantiques in France.
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Isaba/Izaba offers a diverse range of mountaineering routes within the Navarrese Pyrenees, characterized by dramatic mountains, dense forests, and unique karstic landscapes. You'll find routes leading to high Pyrenean peaks like Mesa de los Tres Reyes and Pic d'Orhy, as well as trails through the expansive Belagua Valley and the spectacular Larra Natural Reserve. The region primarily features challenging and difficult routes, with 14 out of 18 available tours rated as difficult.
Yes, many of the mountaineering routes around Isaba/Izaba are designed as loops, allowing you to start and finish at the same point. For example, you can explore the challenging Forking – Summit of Anie 2504m loop from Col de la Pierre Saint-Martin, which covers 13.3 km with significant elevation gain. Another option is the Acherito – Paso del Caballo loop from Cocina libre Linza, a 12.5 km difficult route.
The region is rich in natural beauty. You can explore the unique karstic landscape of the Larra Natural Reserve, known for its lapiaces, sinkholes, and chasms. The Belagua Valley, Navarra's only glacial valley, offers stunning scenery. For specific points of interest, consider visiting Pic d'Orhy for expansive views, or the Larrau Pass. The nearby Holzarte Footbridge is also a remarkable sight.
The mountaineering routes around Isaba/Izaba are generally quite challenging, with most rated as difficult. There are no routes specifically categorized as 'easy' in our current selection. However, some of the moderate trails might be suitable for families with older, experienced children who are accustomed to mountain hiking. Always check the specific route details for distance, elevation, and terrain before setting out with family.
While many trails in the Pyrenees are dog-friendly, it's essential to consider the difficulty and terrain of the routes around Isaba/Izaba. Most are challenging with significant elevation and rugged landscapes, which might not be suitable for all dogs. Always ensure your dog is fit for the chosen route and that you adhere to local regulations regarding leashes and waste disposal, especially in natural reserves or areas with livestock.
The best time for mountaineering in Isaba/Izaba is typically from late spring through early autumn (June to September) when the weather is more stable and snow has largely melted from higher elevations. However, the region offers a rich tapestry of climatic and scenic contrasts. For winter mountaineering, routes like Ezkaurre (2,050m) require specialized equipment such as crampons due to snow and ice conditions on its north face.
Yes, there are several huts and refuges that can serve as resting points or overnight stays for mountaineers. Notable options include the Ansabère Huts, Belagua Refuge, and Linza Refuge. For a meal, you might find options like the Jeandel Hut, Arette. It's always advisable to check opening times and availability in advance.
The mountaineering routes around Isaba/Izaba are highly regarded by the komoot community, holding an average rating of 5.0 stars from several reviews. Over 160 mountaineers have used komoot to explore this varied terrain. Users often praise the challenging ascents, the breathtaking panoramic views from prominent summits, and the immersive Pyrenean experiences offered by the rugged mountain landscapes.
There are 18 mountaineering routes available around Isaba/Izaba. These routes cater to various skill levels, though the majority are classified as difficult, offering significant challenges and rewards for experienced mountaineers.
While specific 'hidden gems' are often discovered through local knowledge, focusing on routes that are not the absolute most popular can offer a more secluded experience. Given the overall challenging nature of the region, many trails provide a sense of wilderness. Exploring areas within the Larra Natural Reserve or the more remote sections of the Roncal Valley might lead to a quieter adventure away from the main hubs.
Access to many mountaineering trailheads in the Isaba/Izaba region often requires personal transport due to the remote nature of the Pyrenees. Parking is typically available at common starting points like Cocina libre Linza or Col de la Pierre Saint-Martin, which serve as trailheads for several routes. Public transport options are limited in these high mountain areas, so planning your journey with a car is generally recommended for flexibility.


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