4.7
(4)
927
runners
11
runs
Jogging around Lac du Portillon offers a high-mountain experience in the French Pyrenees, characterized by a challenging and scenic environment. The region features a progression of landscapes, including picturesque lakes like Lac d'Oô with its 275-meter waterfall, and a more mineral setting closer to Lac du Portillon. Surrounding peaks, many exceeding 3000 meters, contribute to the grandeur and demanding terrain, while initial sections of trails often traverse forests before opening into green cirques.
Last updated: May 4, 2026
16
runners
8.30km
01:45
630m
630m
Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
28
runners
4.78km
00:48
290m
290m
Hard run. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

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96
runners
13.1km
02:42
950m
950m
Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
21
runners
14.7km
03:13
1,230m
1,230m
Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
11
runners
8.56km
01:06
220m
220m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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There is a camping option behind the hut. Hot meals and drinks can be ordered. Dinner and breakfast must be reserved.
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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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Nice waterfall - cools the head in high temperatures
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Beautiful turquoise blue lake and stuff
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There are over 15 running routes documented around Lac du Portillon on komoot. While most are considered difficult, there are a couple of moderate options available, offering a range of challenges for different fitness levels.
The terrain around Lac du Portillon is predominantly high-mountain, characterized by a challenging and scenic environment. You'll encounter varied surfaces, including wide tracks, winding paths, and switchbacks, with significant elevation changes. While most routes require good fitness and sure-footedness, the diverse landscape offers a rewarding experience for trail runners.
Yes, the region is renowned for its stunning water features. Many routes pass by picturesque lakes such as Lac d'Oô, Lac d'Espingo, and Lac Saussat. Lac d'Oô is particularly notable for its majestic 275-meter waterfall. For a route featuring multiple high-altitude lakes and varied mountain scenery, consider the difficult View of Lac Vert – Lake Charles loop from Les Écharts.
Yes, several routes are designed as loops, allowing you to start and finish at the same point. For example, the popular Refuge du Portillon loop from Grand Quayrat offers a challenging ascent through a high-mountain environment. Another option is the Refuge loop from Les Écharts, which is a shorter, difficult trail.
This unspoiled part of the Pyrenees is known for its spectacular wildlife. While running, you might encounter various eagles and other birds of prey soaring above, as well as marmots, chamois, and possibly even ibex. The region's rich biodiversity is preserved, offering a chance to observe nature in its raw form.
Yes, there are several refuges conveniently located along the trails. Notable ones include the Refuge du Lac d'Oô, Refuge d'Espingo, and the Refuge du Portillon. These offer excellent opportunities for rest, refreshments, and even overnight stays if you plan to extend your adventure in the high mountains.
The running trails around Lac du Portillon are highly rated by the komoot community, with an average score of 4.7 stars from over 8 reviews. Runners frequently praise the stunning high-mountain scenery, the progression through diverse landscapes, and the challenge of the varied terrain. The breathtaking views, from waterfalls and lush forests to high-altitude lakes and majestic peaks, are often highlighted as a powerful motivator.
While the region is quite remote, some trailheads might be accessible via local public transport options, though services can be limited, especially in the high mountains. It's advisable to check local bus schedules or consider carpooling services if you plan to rely on public transport to reach the starting points like Granges d'Astau or Les Écharts.
Yes, there are usually designated parking areas near popular trailheads, such as Granges d'Astau or Les Écharts, which serve as common starting points for routes leading towards Lac du Portillon. However, during peak season, these can fill up quickly, so arriving early is recommended.
The best time for running around Lac du Portillon is typically during the warmer months, from late spring to early autumn (roughly June to September). During this period, the trails are generally free of snow, and the weather is more favorable. However, always check local weather forecasts and trail conditions, as high-mountain environments can be unpredictable.
While many routes in the Lac du Portillon area are considered difficult due to significant elevation gain and challenging terrain, some initial sections traversing forests might be more accessible. For families, it's best to look for shorter, less steep paths or consider routes that don't venture too deep into the high-mountain environment, focusing on the lower lakes like Lac d'Oô for a more moderate experience.
Generally, dogs are permitted on many trails in the Pyrenees, but it's crucial to check specific regulations for national parks or protected areas, as rules can vary. If allowed, dogs should typically be kept on a leash to protect local wildlife and ensure the safety of other trail users. Always practice Leave No Trace principles.
Near common starting points like Granges d'Astau or the village of Oô, you can find some accommodation options, such as gîtes or small hotels, and potentially cafes or restaurants. Further up the mountain, refuges like Refuge du Lac d'Oô and Refuge d'Espingo also offer food and lodging, serving as essential stops for runners and hikers.


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