4.6
(5)
42
hikers
5
hikes
Mountaineering in Aigüestortes I Estany De Sant Maurici offers a dramatic high-mountain landscape with elevations ranging from 1,200 to over 3,000 meters. The region is characterized by abundant water features, including over 200 glacial lakes and numerous rivers, alongside diverse ecosystems. High mountain peaks like Besiberri and Montardo provide challenging ascents, while alpine pastures and forests define the lower elevations. This terrain provides varied mountaineering routes suitable for different skill levels.
Last updated: May 6, 2026
5.0
(1)
2
hikers
12.4km
05:38
640m
640m
Hard mountaineering route. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
6
hikers
Moderate mountaineering route. Good fitness required. Mostly accessible paths. Sure-footedness required.

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4.5
(2)
14
hikers
14.3km
06:33
860m
860m
Hard mountaineering route. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
4.0
(1)
9
hikers
16.1km
05:42
570m
570m
Hard mountaineering route. Very good fitness required. Mostly accessible paths. Sure-footedness required.
5.0
(1)
11
hikers
11.5km
05:53
930m
930m
Hard mountaineering route. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
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This refuge is named after the Restanca lake, next to which it is located. It is located at an altitude of 2010 metres in the Alto Arán. It has capacity for 80 guests, divided into six rooms. It also has hot water showers, food service and a bar.
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Lake Obago is a lake of glacial origin located at 2,236 m in the municipality of Alto Arán, in the Valle de Arán region. Lake Obago is one of the largest lakes in the Cirque de Colomers, a glacial cirque of more than 50 lakes crowned by peaks that exceed 2,500 meters, such as the Tuc de Ratera (2,861 m) or the Gran Tuc de Colomers (2,933 meters).
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Lake Mayor de Colomers is a lake of glacial origin located at 2128 m in the municipality of Alto Arán, in the Valle de Arán region. Lake Mayor de Colomers is one of the largest lakes in the Cirque de Colomers, a glacial cirque of more than 50 lakes crowned by peaks that exceed 2,500 meters, such as the Tuc de Ratera (2,861 m) or the Gran Tuc de Colomers (2,933 meters). ). The Colomers refuge is located near the lake.
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Gerber Lake is the largest lake in the valley, enclosed by spectacular rock walls. If we want to enjoy a good view of the lake we must ascend a little along the path that goes up on its left side.
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The Mataró refuge, Gerber refuge or Gerber metallic refuge, is located next to La Isla lake, in the Gerber valley, at 2,460 meters of altitude. From the refuge we have magnificent views over the Gerber valley, the lakes we passed on the way up (Estanyola de Gerber, Estany Gerber, Estany Llong, Estany L´Illa) and the peaks that surround us Pic de Saboredo, Pic d´ Medias or Pico de Bassiero).
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The lake of Còth de Baish can be seen from the pass of the same name, at an altitude of 2,190 metres. From the pass it is possible to descend to the lake to admire it up close.
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One of the smallest, but also very flirtatious.
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Aigüestortes I Estany De Sant Maurici offers a dramatic high-mountain landscape with elevations ranging from 1,200 to over 3,000 meters. You'll encounter abundant water features, including over 200 glacial lakes and numerous rivers, alongside diverse ecosystems. The terrain includes high mountain peaks, alpine pastures, and forests at lower elevations, providing varied routes for different skill levels.
Yes, while many routes are challenging, there are options for those seeking a moderate experience. For example, the Estany Major de Colomèrs loop from Refugi de Colomèrs is a moderate 11.5 km route that takes around 4 hours 50 minutes. Another moderate option is the Long Lake of Colomèrs – Lake Major of Colomers loop from Arriu dera Montanheta, covering 7.7 km in about 2 hours 55 minutes.
The park is renowned for its stunning natural beauty. You can expect to see iconic glacial lakes such as Lake Sant Maurici, famous for its reflection of the Els Encantats peaks, and Ratera Lake. Don't miss the refreshing Ratera Waterfall. Many routes also offer views of high mountain peaks like Pico de Ratera.
The mountaineering routes in Aigüestortes I Estany De Sant Maurici are highly rated by the komoot community, with an average score of 4.9 stars from over 17 reviews. Mountaineers frequently praise the dramatic high-mountain landscapes, the abundance of glacial lakes, and the challenging yet rewarding ascents to peaks offering panoramic views.
Yes, several routes are designed as loops, allowing you to return to your starting point without retracing your steps. Examples include the challenging Punta Alta Summit – Presa de Caballers loop from Pantà de Cavallers and the Restanca Refuge – Montardo Summit Cairn loop from Refugi de la Restanca. For a moderate option, consider the Estany Major de Colomèrs loop from Refugi de Colomèrs.
The best time for mountaineering in Aigüestortes I Estany De Sant Maurici is typically during the warmer months, from late spring to early autumn (June to September). During this period, snow has generally melted from higher elevations, and weather conditions are more stable, making routes more accessible and safer. Always check local weather forecasts and trail conditions before heading out.
Yes, the park features several mountain huts that can serve as base camps or overnight stops for multi-day explorations. Notable refuges include the Josep Maria Blanc Refuge, Amitges Refuge, Refugi Ventosa i Calvell, Ernest Mallafré Hut, and Estany Llong Refuge. It's advisable to book in advance, especially during peak season.
The park is home to diverse Pyrenean fauna. Keep an eye out for chamois and marmots in the alpine pastures. You might also spot impressive birds of prey such as golden eagles and bearded vultures (lammergeier soaring overhead, adding to the wilderness experience.
While general access to the national park for hiking and mountaineering typically does not require a specific permit, certain activities or areas might have restrictions. It's always best to check the official national park website or local information centers for the most up-to-date regulations regarding permits, especially for overnight stays in specific zones or for accessing certain sensitive areas.
Access to the core areas of Aigüestortes I Estany De Sant Maurici National Park is often restricted to private vehicles during peak seasons. You'll typically find designated parking areas at the park entrances or nearby villages, from where you can often take park-operated taxis or buses to trailheads. It's recommended to research specific access points and parking regulations for your chosen route in advance.
Yes, the park offers challenging ascents to several high mountain peaks. For instance, the Besiberri Sud 3023m – Estany Gémena de Dalt loop from Riu de Sant Nicolau is a demanding route that takes you through high mountain passes and past glacial lakes to a summit exceeding 3,000 meters. These routes require significant experience and preparation.


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