4.5
(4)
31
hikers
4
hikes
Mountaineering around Estanh Major de Colomèrs is set within the high-mountain environment of the Catalan Pyrenees, specifically within the peripheral zone of the Aigüestortes i Estany de Sant Maurici National Park. The region is characterized by the Circ de Colomèrs, a glacial cirque featuring over 50 lakes and tarns, alongside large granite blocks. Situated at an altitude of 2,118 meters, the terrain is rugged, offering impressive peaks and challenging ascents.
Last updated: July 4, 2026
6
hikers
Moderate mountaineering route. Good fitness required. Mostly accessible paths. Sure-footedness 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.

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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.
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.
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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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The routes in Estanh Major de Colomèrs cater to a range of abilities. You'll find both moderate and difficult mountaineering options. For instance, the Estany Major de Colomèrs loop from Refugi de Colomèrs is considered moderate, while the Long Lake of Colomèrs – Lake Major of Colomers loop from Plan des Banhs is a more challenging, difficult trail.
The region is defined by its dramatic high-mountain environment within the Catalan Pyrenees. You'll encounter the stunning Circ de Colomèrs, a glacial cirque boasting over 50 lakes and tarns, alongside impressive granite blocks and rugged peaks. The valley also features diverse landscapes including pastures, meadows, and forests.
Absolutely. The primary landmark is Estanh Major de Colomèrs itself, the largest lake in the glacial cirque. Many routes offer breathtaking views of the numerous glacial lakes within the Circ de Colomèrs. The Restanca Refuge – Montardo Summit Cairn loop from Refugi de la Restanca, for example, leads towards the prominent Montardo Summit Cairn, offering expansive vistas of the surrounding Pyrenean landscape.
The summer months are generally the best for mountaineering in this high-mountain environment, as trails are typically clear of snow and conditions are more stable. During winter, the area transforms, offering opportunities for snowshoeing and skiing, but access can be more challenging due to snow cover.
Yes, a significant asset for mountaineers is the Refugi de Colomèrs (Colomers mountain shelter). It serves as a crucial base for multi-day excursions and is a popular starting point for many routes, including the Estany Major de Colomèrs loop.
Yes, many of the routes in the area are designed as loops, allowing you to experience diverse scenery without retracing your steps. Examples include the Long Lake of Colomèrs – Lake Major of Colomers loop from Arriu dera Montanheta and the Restanca Refuge – Montardo Summit Cairn loop from Arriu de Valarties.
The routes in Estanh Major de Colomèrs are highly rated by the komoot community, with an average score of 4.7 stars. Mountaineers often praise the stunning concentration of glacial lakes, the rugged high-mountain terrain, and the challenging ascents that offer rewarding panoramic views.
Estanh Major de Colomèrs is located within the peripheral zone of the Aigüestortes i Estany de Sant Maurici National Park. While general access for hiking is usually permitted, it's always advisable to check the official park regulations for any specific permits required for certain activities, overnight stays, or access restrictions, especially during peak seasons. You can find more information on the park's official website or local visitor centers.
Access to the Colomèrs area, particularly the Refugi de Colomèrs, often involves a combination of transport. During certain seasons, there might be shuttle services or taxis operating from nearby towns to the trailheads. For detailed information on public transport options and access points, it's best to consult local tourist information or the Val d'Aran tourism website.
Parking is typically available at designated trailheads or access points leading into the Colomèrs valley. For example, routes like the Long Lake of Colomèrs – Lake Major of Colomers loop can be accessed from areas like Plan des Banhs, where parking facilities are usually provided. Always check for specific parking regulations and availability, especially during busy periods.
While the region is known for its challenging high-mountain terrain, some shorter, moderate loops might be suitable for families with older, experienced children. However, due to the rugged nature and significant elevation changes, most mountaineering routes here are geared towards those with a good level of fitness and experience. Always assess the difficulty and duration carefully before embarking on a route with children.
As the area is within the peripheral zone of a National Park, regulations regarding dogs can vary. Generally, dogs are often permitted on trails but may be required to be on a leash to protect wildlife and ensure the safety of other hikers. It's crucial to check the specific rules of the Aigüestortes i Estany de Sant Maurici National Park or local authorities before bringing your dog.


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