4.7
(554)
5,956
hikers
133
hikes
Hiking around Ibon de Estanés offers diverse terrain within the Aragonese Pyrenees, characterized by a high-altitude glacial lake at 1,754 meters (5,755 ft). The region features expansive green meadows, dense forests, and rocky mountains, with the clear waters of the lake reflecting the surrounding peaks. Hikers can expect varied environments, from peaceful valleys to imposing crags, providing a range of experiences. The landscape includes a mix of glacial formations and traditional grazing areas.
Last updated: May 12, 2026
3.7
(3)
25
hikers
11.8km
04:09
600m
600m
Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.
5.0
(1)
19
hikers
20.0km
07:45
1,100m
1,100m
Hard hike. Very good fitness required. Mostly accessible paths. Sure-footedness required.

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4.6
(8)
58
hikers
5.99km
02:26
450m
460m
Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.
5.0
(1)
17
hikers
25.3km
08:38
930m
930m
Hard hike. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
4.4
(8)
74
hikers
16.9km
06:51
790m
790m
Hard hike. Very good fitness required. Mostly accessible paths. Sure-footedness required.
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- Very tasty food - No showers - Cash required - French or Spanish skills an advantage
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A short walk from the power plant of Estaens
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Good introductory hike... only about 200 meters in elevation, beautiful scenery.
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Located on the heights of the Aspe valley, this renovated refuge reopened its doors in 2023. Hikers can come and spend the night there, have a good meal, simply have a drink or even just enjoy the dream view.
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Spacious areas to pitch tents behind the refuge.
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Refuge recently renovated after work in summer 2023.
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Good tent areas available, food and toilets in the refuge, the lake is wonderful for swimming.
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The Gave d'Aspe has its source at an altitude of 2,000 meters in the Sierra de Aisa in Spain. It naturally gave its name to the valley in which it flows for more than 50 kilometers before joining the Gave d'Ossau.
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There are over 130 hiking trails around Ibon de Estanés, offering a wide range of experiences. These include paths suitable for various fitness levels, from moderate walks to challenging mountaineering routes.
The trails around Ibon de Estanés cater to different abilities. You'll find a good selection of moderate paths, which are suitable for those with good fitness, as well as more difficult routes that require very good fitness, sure-footedness, sturdy shoes, and alpine experience. Overall, there are 14 easy, 73 moderate, and 48 difficult routes available.
Yes, Ibon de Estanés offers several circular routes. A popular option is the Espélunguère Waterfall – Estanés Lake loop from Bois D'Espélunguère, which is a moderate 7.3-mile (11.8 km) trail. Another challenging loop is the Estanés Lake – Arlet Refuge loop from Bois D'Espélunguère, covering 12.4 miles (20.0 km) through varied alpine terrain.
A common starting point with parking facilities is the Sansanet car park, located in France just 5 km from the Spanish border. From here, clearly signposted paths lead towards Ibon de Estanés, often passing through the Sansanet beech forest.
The region is rich in natural beauty. You'll encounter the stunning high-altitude glacial lake itself, surrounded by expansive green meadows. The clear waters beautifully reflect the surrounding peaks. Hikers will also traverse dense forests, imposing crags, and rocky mountains. Keep an eye out for local fauna like horses, cows, and sheep grazing in the peaceful valleys.
The hiking season typically runs from late spring through early autumn when the trails are clear of snow. During winter, the area transforms, offering opportunities for snowshoeing, with easy access and safe routes for beginners. Always check local weather conditions before heading out.
While many routes involve significant elevation, there are options suitable for families with good fitness. The region offers a mix of terrain, and some of the moderate paths can be enjoyed by families. For example, the Espélunguère Waterfall loop from Ibon de Estanés is a shorter, moderate trail that leads through mountain valleys.
Generally, dogs are welcome on trails in the Pyrenees, but it's always advisable to keep them on a leash, especially in areas where livestock (like sheep, cows, and horses) are grazing. Respect local regulations and ensure your dog is well-behaved and doesn't disturb wildlife or other hikers.
The area is highly rated by the komoot community, with an average score of 4.7 stars from over 500 reviews. Hikers often praise the stunning glacial lake, the diverse landscapes including expansive meadows and dense forests, and the variety of routes available for different skill levels. The tranquil views and opportunities to see local wildlife are also frequently mentioned.
While Ibon de Estanés itself is a remote glacial lake, the surrounding region offers some facilities. You might encounter a shepherd's hut (Escouret hut) where visitors can purchase cheese, offering a glimpse into traditional mountain life. For more extensive services like cafes, pubs, or accommodation, you would typically need to visit nearby towns or villages, such as those accessible from the Sansanet car park or further into the Valle de Hecho.
Hikers can expect to encounter local fauna such as horses, cows, and sheep grazing in the peaceful valleys and meadows. The diverse natural environment also supports various bird species and other small mammals typical of the Pyrenean ecosystem.
Yes, the area around Ibon de Estanés is part of larger trekking networks. Some routes to the lake incorporate sections of the GR11, also known as the Trans-Pyrenean Path, offering opportunities for extended multi-day hikes for experienced trekkers.


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