4.5
(1401)
16,268
hikers
Bus station hiking trails around Lac de Caillaouas are set within a high-alpine environment in the Hautes-Pyrénées, characterized by majestic mountain peaks reaching up to 3,100 meters. The region features the deep blue waters of Lac de Caillaouas itself, situated at over 2,100 meters altitude, and notable natural features like the Clarabide Gorges. Rocky slopes and diverse alpine flora define the terrain, offering varied hiking experiences.
Last updated: June 28, 2026
4.5
(13)
93
hikers
14.1km
04:47
660m
660m
Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.
4.3
(12)
65
hikers
8.69km
02:58
430m
430m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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4.8
(10)
46
hikers
9.14km
03:06
440m
440m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
5.0
(1)
18
hikers
22.2km
07:15
980m
980m
Hard hike. Very good fitness required. Mostly accessible paths. Sure-footedness required.
5.0
(2)
16
hikers
8.99km
03:00
420m
420m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
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Beautiful well-equipped cabin at the bottom of the valley, stream nearby
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Superb lake in the heart of the Louron valley with beautiful views of the surrounding mountains. The tour of the lake is a superb walk accessible to all. There are several playgrounds along the path.
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Nice panoramic view from there
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Very accessible for those who do not hike in the mountains
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11th century Romanesque church classified as a historic monument. Paintings from the 12th century, ceilings from the 16th century and altarpiece from the 18th century.
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Nice little place, possibility to climb Col de Val-Azet, but also small church and old castle ruins. More information: https://de.wikipedia.org/wiki/G%C3%A9nos_%28Hautes-Pyr%C3%A9n%C3%A9es%29?wprov=sfla1
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Nice little place in the Vallee du Luzon. Great mountain landscape. More information: https://de.wikipedia.org/wiki/Loudenvielle?wprov=sfla1
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There are 5 dedicated hiking trails around Lac de Caillaouas that are easily accessible from bus stations. These routes offer a range of difficulties and distances, primarily starting from Génos or Loudenvielle, which are well-connected by public transport.
The terrain around Lac de Caillaouas is characterized by its stunning high-alpine environment. You can expect rocky slopes and diverse alpine flora. While some routes are easier, many trails, especially those leading higher, require good fitness and sure-footedness, with sections like the Clarabide gorges featuring a 'dizzying path carved into the rock'.
Yes, for those looking for an easier option, the Moulor Tour – Panorama of the valley loop from Génos is an excellent choice. This trail is approximately 5 km long and offers beautiful views without significant elevation gain, making it ideal for beginners or a relaxed outing.
Absolutely. Many of the bus-accessible routes are circular, allowing you to return to your starting point without needing additional transport. For example, the Lake Génos-Loudenvielle – Loudenvielle Lake loop from Génos is a moderate 8 km circular hike that begins and ends conveniently near a bus stop in Génos.
The region is rich in natural beauty. You'll encounter the magnificent deep blue waters of Lac de Caillaouas itself, surrounded by majestic mountain peaks. The Clarabide gorges offer dramatic scenery, and some trails provide access to other beautiful alpine lakes like Lac des Isclots and Lac de Pouchergues. The Lake Génos-Loudenvielle – Panorama of the valley loop from Génos offers expansive views of the valley and surrounding landscape.
Yes, for experienced hikers seeking a challenge, the Loudenvielle Lake – Lake Génos-Loudenvielle loop from Génos is a difficult 22 km route. This extensive trail involves significant elevation changes and offers a rewarding experience through the high-alpine terrain, requiring good fitness and sturdy shoes.
The hiking routes in this area are highly rated by the komoot community, with an average score of 4.5 stars from over 1,200 reviews. Hikers often praise the stunning high-alpine scenery, the diverse terrain, and the rewarding views, especially from the more challenging routes.
While many trails in the higher alpine areas are challenging, the routes starting from Génos or Loudenvielle, particularly those around Lake Génos-Loudenvielle, can be suitable for families. The Moulor Tour – Panorama of the valley loop from Génos is an easy option that families might enjoy for its manageable distance and scenic views.
Generally, dogs are welcome on many hiking trails in the Pyrénées, but it's always advisable to keep them on a leash, especially in areas with livestock or protected wildlife. Check local regulations for specific trails or national park areas you plan to visit. The easier, lower-altitude routes like the Lake Génos-Loudenvielle – Loudenvielle Lake loop from Génos are often suitable for well-behaved dogs.
While the high-alpine trails might have mountain refuges like the Refuge de la Soula, the bus-accessible routes often start from towns like Génos and Loudenvielle. These towns offer amenities such as cafes, restaurants, and accommodation where you can rest and refuel before or after your hike. Always carry sufficient water and snacks, especially on longer routes.
The best time for hiking in the high-alpine environment around Lac de Caillaouas is typically from late spring to early autumn (June to September). During these months, the weather is generally more stable, and the trails are free of snow, making them safer and more accessible. Always check local weather forecasts before heading out, as conditions can change rapidly in the mountains.
Yes, the Lake Genós – Lake Génos-Loudenvielle loop from Loudervielle is a moderate 8.7 km hike that provides excellent views of the lake and the surrounding valley. It's a great option for those looking for a bit more challenge than an easy trail but not quite ready for a difficult, full-day trek.


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