Highlight • Lake
Lake Gréziolles
Hiking
5.0
(10)
Lac de Gréziolles is a magnificent high-altitude lake nestled in the French Pyrénées, specifically within the Hautes-Pyrénées department of the Occitanie region. Situated in the picturesque Campan valley at the foot of the Pic de Cloutou, this natural lake, elevated at 2,113 meters (6,932 ft), was significantly enlarged by a dam constructed in 1952. Its clear waters and dramatic mountain surroundings make it a prominent feature of the landscape near Bagnères-de-Bigorre.
Visitors are consistently drawn to Lac de Gréziolles for its stunning natural beauty and tranquil atmosphere, offering a perfect escape into the alpine wilderness. The breathtaking scenery, featuring panoramic views of the surrounding peaks and the lake's often turquoise waters, evokes a sense of peace and wonder. Many describe the setting, complete with hook pines and ample sunshine, as having a unique "Corsican spot" feel.
Before embarking on a visit, it's important to note that the hike to Lac de Gréziolles can be challenging due to its high elevation and mountain terrain. Proper hiking footwear and clothing suitable for varying alpine weather conditions are essential. The lake is notably accessible via the GR 10 C footpath, with many routes often starting near La Mongie and passing by other scenic spots like the Réservoir des Laquets.
The best time to visit Lac de Gréziolles for hiking and enjoying its natural splendor is typically during the warmer months, when trails are clear of snow and the weather is more stable. Beyond hiking, the lake is a popular destination for anglers, boasting a diverse fish population including brown trout, fario trout, brook trout, and lake trout. Wildlife enthusiasts can also look forward to spotting marmots, cattle, sheep, and various birds along the trails.
The experience of reaching Lac de Gréziolles is often highlighted by the vivid contrast of its clear, deep waters against the grey mountain terrain and small pine trees. Hikers frequently mention the rewarding feeling of solitude found on less frequented paths, even during popular times. The opportunity to observe local wildlife and the sheer majesty of the mountain backdrop create truly memorable moments.
Whether you're seeking a challenging trek or a peaceful day by the water, the area around Lac de Gréziolles offers a variety of experiences. You can explore numerous hiking trails, from shorter walks to longer excursions that might extend to destinations like the Refuge de Campana. To discover the most popular hiking trails routes to Lac de Gréziolles and plan your adventure, komoot offers a range of options for hikers and trail runners of all levels.
This Highlight is in a protected area
Please check local regulations for:
Parc national des Pyrénées (Aire d'adhésion)
Tips
February 14, 2023
Hiking
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Nearby routes
Best routes near Lake Gréziolles
5.0
(5)
69
hikers
23.1km
10:19
1,390m
1,390m
Hard hike. Very good fitness required. Mostly accessible paths. Sure-footedness required.
4.0
(8)
37
hikers
18.2km
07:21
1,040m
1,030m
Hard hike. Very good fitness required. Mostly accessible paths. Sure-footedness required.
7
hikers
18.9km
08:35
1,290m
1,290m
Hard hike. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
Details
Informations
Elevation 2,110 m
Weather
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Saturday 13 June
21°C
12°C
14 %
Additional weather tips
Max wind speed: 6.0 km/h
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Frequently Asked Questions
What is the typical hiking terrain and difficulty level for reaching Lac de Gréziolles?
The hike to Lac de Gréziolles is considered challenging due to its high elevation and mountainous terrain. You'll encounter rocky paths and significant ascents. While rewarding, it requires a good level of fitness and proper hiking gear.
Are there any notable landmarks or viewpoints along the trails to Lac de Gréziolles?
Absolutely. The journey to Lac de Gréziolles offers several scenic highlights. Many routes pass by the Réservoir des Laquets, another beautiful body of water. Once at Lac de Gréziolles, the panoramic views of the surrounding peaks and the lake's clear, often turquoise waters are the main attraction, providing excellent photo opportunities.
Where can I find parking when visiting Lac de Gréziolles?
Parking is typically available near common starting points for hikes to Lac de Gréziolles, such as in the vicinity of La Mongie. However, during peak season, parking areas can fill up quickly. It's often recommended to arrive early in the morning to secure a spot.
Is Lac de Gréziolles suitable for a winter hike?
While the intro mentions warmer months are best, winter hiking to Lac de Gréziolles is possible but significantly more challenging and requires specialized equipment like snowshoes or skis, and advanced mountaineering skills. The trails will be covered in snow, and weather conditions can be severe. It is generally not recommended for casual hikers in winter.
Are the trails around Lac de Gréziolles family-friendly or dog-friendly?
The challenging nature of the hike to Lac de Gréziolles, with its high elevation and rocky terrain, means it may not be suitable for very young children or those unaccustomed to strenuous mountain walks. For dogs, the trails are generally accessible, but they should be kept on a leash, especially given the presence of local wildlife and grazing animals like cattle and sheep. Always ensure your dog is fit enough for a long, demanding hike.
Are there any cafes, pubs, or accommodation options near Lac de Gréziolles?
Lac de Gréziolles itself is a high-altitude, natural setting without direct commercial facilities. However, you can find accommodation, cafes, and restaurants in nearby towns such as La Mongie or Bagnères-de-Bigorre, which serve as common starting points or bases for exploring the region. For longer treks, the Refuge de Campana is a mountain hut that offers accommodation and basic services further along some routes.
How long does it typically take to hike to Lac de Gréziolles?
The duration of the hike to Lac de Gréziolles varies significantly depending on your starting point, chosen route, and fitness level. A round trip can typically take anywhere from 4 to 7 hours or more, especially if you extend your hike to other nearby lakes or refuges. It's best to consult specific route descriptions for accurate time estimates.
Is wild swimming permitted or recommended in Lac de Gréziolles?
While the clear waters of Lac de Gréziolles can be inviting, wild swimming is generally not officially encouraged due to the high altitude and extremely cold water temperatures, even in summer. There are no supervised swimming areas, and the lake is primarily valued for its natural beauty and fishing. Always exercise caution and respect local regulations if considering a dip.
What kind of fish can be found in Lac de Gréziolles?
Lac de Gréziolles is a popular spot for anglers, known for its diverse fish population. You can find species such as fario trout, brook trout, and lake trout (cristivomers), as well as minnows. Fishing regulations apply, so ensure you have the necessary permits.
What is the historical significance of Lac de Gréziolles?
The most significant historical aspect of Lac de Gréziolles is the construction of its dam. Originally a natural lake, it was considerably enlarged and regulated by a dam built in 1952. This engineering feat transformed the lake, increasing its size and depth for hydroelectric purposes, and is a notable part of the region's industrial heritage.