4.7
(3)
28
hikers
2
hikes
Mountaineering around Estany de Cavallers offers diverse terrain within the Spanish Pyrenees, characterized by spectacular alpine landscapes and high mountains. The region features excellent quality granite rock formations, numerous crystalline lakes, and rugged valleys, providing a challenging environment for adventurers. Situated within the Aigüestortes i Estany de Sant Maurici National Park, it serves as a gateway to routes with significant elevation gains.
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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4.0
(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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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.
3
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In my opinion, the most beautiful lake on the tour.
2
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Mountaineering around Estany de Cavallers is characterized by spectacular alpine landscapes, high mountains, and rugged valleys within the Spanish Pyrenees. You'll encounter excellent quality granite rock formations, numerous crystalline lakes, and routes with significant elevation gains, offering a challenging environment for adventurers.
Yes, while many routes are difficult, there are options for moderate skill levels. For example, the Long Lake of Colomèrs – Lake Major of Colomers loop from Arriu dera Montanheta is a moderate 7.7 km route with over 350 meters of elevation gain. Another moderate option is the Estany Major de Colomèrs loop from Refugi de Colomèrs, covering 11.5 km with over 625 meters of ascent.
The prime season for mountaineering in Estany de Cavallers typically runs from late spring through early autumn (June to September). During these months, snow cover is minimal at lower elevations, and weather conditions are generally more stable. However, alpine experience and sturdy shoes are essential, as conditions can change rapidly in the high mountains.
Yes, several routes offer a circular experience. Beyond the popular ones mentioned in the guide, you can explore options like the moderate Long Lake of Colomèrs – Lake Major of Colomers loop from Arriu dera Montanheta or the Estany Major de Colomèrs loop from Refugi de Colomèrs, both offering stunning views as you complete a loop.
The mountaineering routes around Estany de Cavallers are highly rated by the komoot community, with an average score of 4.9 stars from more than 9 reviews. Over 100 mountaineers have used komoot to explore the varied and challenging terrain, often praising the spectacular alpine scenery and the rewarding ascents.
As Estany de Cavallers is an entrance to the Aigüestortes i Estany de Sant Maurici National Park, there are regulations in place to preserve its natural beauty. While general hiking doesn't always require permits, certain activities or overnight stays in refuges might. It's always advisable to check the official national park website for the most current information on permits, access restrictions, and any specific rules for climbing or multi-day treks before your visit.
Aigüestortes i Estany de Sant Maurici National Park has specific regulations regarding dogs to protect wildlife. Generally, dogs are not allowed on trails within the core zone of the National Park, even on a leash. However, they might be permitted in peripheral areas or on specific access roads. It's crucial to verify the latest rules on the official National Park website before planning your trip with a dog.
Yes, the region is well-equipped with mountain refuges, such as Refugi Ventosa i Calvell, which are essential for multi-day expeditions. These refuges provide basic amenities and allow mountaineers to explore deeper into the national park's challenging terrain. Planning and booking in advance, especially during peak season, is highly recommended.
Difficult mountaineering routes around Estany de Cavallers often feature substantial elevation gains. For instance, the Punta Alta Summit – Presa de Caballers loop from Pantà de Cavallers involves over 1300 meters of ascent, and the Besiberri Sud 3023m – Estany Gémena de Dalt loop from Riu de Sant Nicolau has an elevation gain of nearly 1475 meters. These routes require good fitness and alpine experience.
There are 9 mountaineering routes detailed in this guide for Estany de Cavallers. These routes range in difficulty, with 2 moderate and 7 difficult options, offering diverse challenges for mountaineers.
While the focus of this guide is on mountaineering, the broader Aigüestortes i Estany de Sant Maurici National Park does offer easier trails suitable for families. These often involve less elevation gain and are shorter in distance. It's best to look for specific 'hiking' or 'walking' guides for the park to find routes tailored for families, as the mountaineering routes here are generally demanding.
The region is a significant draw for climbers due to its excellent quality granite rock. It boasts over 700 climbing routes, offering a wide variety of styles including slab climbing, overhangs, crack climbing, and multi-pitch climbs. Routes range from 10 meters to 1,000 meters in length, catering to both sport climbing and more technical ascents.


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