4.8
(9)
34
hikers
1
hike
Mountaineering routes around Mayrègne are situated in the Haute-Garonne department of the French Pyrenees, offering a diverse mountainous landscape. The region features elevations ranging from approximately 3,675 to 6,280 feet (1,120 to 1,914 meters), characterized by rugged terrain, deep valleys like the Oueil Valley, and significant natural features such as Lac d'Oô and its 275-meter waterfall. This area provides access to challenging mountain passes like Col de Peyresourde and Port de Balès, making it a suitable base for demanding physical…
Last updated: April 25, 2026
4.5
(6)
27
hikers
Moderate mountaineering route. Good fitness required. Mostly accessible paths. Sure-footedness required.
5.0
(3)
7
hikers
17.5km
06:05
930m
930m
Hard mountaineering route. Very good fitness required. Mostly accessible paths. Sure-footedness required.

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3
hikers
6.27km
02:24
370m
370m
Moderate mountaineering route. Good fitness required. Mostly accessible paths. Sure-footedness required.
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Great hike to do in winter with snowshoes/crampons. Great view 😍
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Here the valley opens up to reveal a pretty plain. Continue up the valley to Lake Oô, to enjoy more magnificent views.
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Hike to the stunning Lac d’Oô, a beautiful glacial lake nestled in the Pyrenees. As you approach the lake, you’ll be treated to breathtaking views of its clear, turquoise waters, surrounded by sheer cliffs and lush forest. The hike is moderately challenging, with rocky paths leading to a perfect viewpoint where the lake and surrounding peaks create a truly picturesque scene. Take some time to appreciate the tranquility of the area, where you can also catch a glimpse of the impressive Oô waterfall cascading down the mountainside.
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Beautiful turquoise blue lake and stuff
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Next to the Lac d'Oô bivouac you have the best point of view, the most axial, to admire the Lac d'Oô waterfall.
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A nice place to stop off after the hike. The car park is generously dimensioned, since the Lac d'Oô and the Lac d'Espingo are popular hiking destinations, you should still come early to get a parking space.
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Located in the heart of the Pyrenees, at the foot of Lac d'Oô, the Granges d'Astau offer a restaurant, a bar and a gîte on the GR 10 trail.
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There are several mountaineering routes around Mayrègne, offering diverse experiences in the French Pyrenees. You can find a selection of five routes detailed in this guide, ranging from moderate to difficult.
Yes, many of the routes around Mayrègne are circular, allowing you to start and finish at the same point. For example, the View of the plain – View of the Lac d'Oô waterfall loop from Granges d'Astau is a moderate 6.9 km circular path, and the more challenging Sommet de Pouy Louby – Pic du Lion loop from Cazaux-Fréchet-Anéran-Camors covers 17.5 km.
Absolutely. The region is known for its natural beauty, including impressive waterfalls. The View of the plain – View of the Lac d'Oô waterfall loop from Granges d'Astau offers views of the spectacular 275-meter waterfall at Lac d'Oô.
The Mayrègne area is rich in natural and historical landmarks. You can encounter ancient structures like the Port de Pierrefite Cromlech on routes such as the Cromlechs du Mail de Soupène loop from Benque-Dessous-et-Dessus. The region also features famous mountain passes like Peyresourde Pass and Port de Balès, which are popular for their challenging ascents and panoramic views.
While many routes in the Pyrenees can be challenging, there are moderate options suitable for families with some hiking experience. The View of the plain – View of the Lac d'Oô waterfall loop from Granges d'Astau is a moderate 6.9 km route that could be a good choice, offering beautiful scenery without extreme difficulty.
The mountaineering routes around Mayrègne offer a range of difficulties. You'll find moderate paths, such as the 1888 loop from Salles-et-Pratviel, which is 10.7 km long, as well as more difficult and demanding trails like the 12.8 km Bridge near Lake Oô – Lac d'Oô loop from Granges d'Astau. It's advisable to check the specific route details for elevation gain and duration.
The mountaineering routes in Mayrègne are highly regarded by the komoot community, with an average rating of 4.6 stars from over 23 reviews. Many users appreciate the diverse mountainous landscape, the challenging terrain, and the stunning natural features like Lac d'Oô and its waterfall.
Many of the popular routes, especially those leading to Lac d'Oô, often start from areas like The Granges of Astau, which typically offer parking facilities. It's always recommended to check specific trailhead information for parking availability before your trip.
Mayrègne is a small commune in the Pyrenees. While direct public transport to every trailhead might be limited, larger nearby towns like Bagnères-de-Luchon may offer more public transport options, from which you might need to arrange further travel to specific starting points. Planning ahead is key for remote mountain access.
The Pyrenees region around Mayrègne is ideal for mountaineering during the warmer months, typically from late spring to early autumn. This period offers more stable weather conditions and accessible trails. However, the high-altitude terrain means conditions can change rapidly, so always check the local weather forecast before heading out.
Yes, some routes may pass by or lead to mountain huts. For instance, The Granges of Astau serves as a common starting point for routes to Lac d'Oô and often has facilities. Additionally, the Saunères Hut is another point of interest in the area. It's advisable to research specific route details for information on available amenities.


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