4.6
(1287)
15,578
hikers
18
hikes
Family friendly hiking trails around Lac du Portillon traverse a high-mountain environment in the French Pyrenees, characterized by a transition from lush forest paths at lower altitudes to rocky, mineral landscapes as elevation increases. The region features a glacier-fed lake overlooked by peaks exceeding 3,000 meters, including Pic de Perdiguère. Hikers encounter a series of high-altitude lakes such as Lac d'Oô, Lac d'Espingo, and Lac Saussat, along with numerous waterfalls and sculpted rock formations. This diverse terrain offers varied experiences…
Last updated: May 17, 2026
5.0
(1)
7
hikers
Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.
4.5
(13)
185
hikers
28.3km
14:24
2,180m
2,180m
Hard hike. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

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4.7
(146)
1,709
hikers
9.70km
04:00
580m
580m
Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.
5.0
(1)
17
hikers
Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.
5.0
(5)
127
hikers
14.2km
09:05
1,560m
1,560m
Hard hike. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
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Popular around Lac du Portillon
Beautiful lake and views. A bit crowded in August.
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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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Characteristic lake nestled under the feet of Perdigueret, from which you can begin to glimpse Pico Perdiguero. All Aragonese lakes are protected as they are included in the Inventory of Singular Wetlands, so any activity that could modify the quality of their waters is prohibited. While bathing is not specifically mentioned, it is understood that bathing with chemicals on the skin such as sunscreen, deodorants, perfumes or creams is negatively affecting the quality of the water, so it cannot be done. You can read the protection decree and the list of wetlands included here: aragon.es/-/humedales-de-aragon
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It is called Bllanco because it used to be always frozen and covered by the Lliterola glacier, something that no longer happens most of the summer. All Aragonese lakes are protected as they are included in the Inventory of Singular Wetlands, so any activity that could modify the quality of their waters is prohibited. While bathing is not specifically mentioned, it is understood that bathing with chemicals on the skin such as sunscreen, deodorants, perfumes or creams is negatively affecting the quality of the water, so it cannot be done. You can read the protection decree and the list of wetlands included here: aragon.es/-/humedales-de-aragon
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There are over 20 hiking routes around Lac du Portillon, with a good selection of easy and moderate options suitable for families. These trails offer a range of experiences, from gentle walks to more adventurous day hikes.
Families can enjoy a diverse landscape, from lush forest paths and green cirques at lower altitudes to more rugged, rocky terrain higher up. The region is known for its stunning high-altitude lakes like Lac d'Oô, Lac d'Espingo, and Lac Saussat, as well as impressive waterfalls, including the notable Oô waterfall. You'll also be surrounded by towering peaks, some exceeding 3,000 meters.
Yes, there are several options for easier walks. For example, the Ibón de la Escarpinosa – Ibonet de Batisielles loop is a moderate 6.2 km trail that offers beautiful scenery without extreme difficulty, making it a good choice for families looking for a rewarding circular experience.
The best time for family hiking is typically during the warmer months, from late spring to early autumn (June to September). During this period, the weather is generally more stable, trails are clear of snow, and the mountain flora is vibrant. Always check local weather forecasts before heading out.
While many areas in the Pyrenees are dog-friendly, specific regulations can vary, especially near protected natural areas. It's always best to check local signage and guidelines for each trail. Generally, dogs should be kept on a leash to protect wildlife and ensure a pleasant experience for all hikers.
Absolutely! The region is home to several impressive waterfalls. The Gorgas del Alba Waterfalls – Baños de Benasque Thermal Spa loop is a moderate 6.8 km route that specifically highlights waterfalls, offering a refreshing and scenic experience for families.
The area is highly rated by the komoot community, with an average score of 4.6 stars from over 1200 reviews. Hikers often praise the stunning mountain scenery, the variety of trails, and the well-marked paths that make navigation easier for families.
Yes, the Portillon Refuge (Refuge Jean Arlaud) at 2,570 meters offers shelter and hot meals, serving as a crucial base for hikers. Additionally, nearby towns like Bagnères-de-Luchon and Granges d'Astau provide various options for cafes, pubs, restaurants, and accommodation, catering to different needs after a day on the trails.
Given the mountain environment, it's essential to pack layers of clothing, sturdy hiking shoes, rain gear, sun protection (hat, sunscreen), plenty of water, and snacks. Even on moderate trails, conditions can change quickly. A first-aid kit and a map or GPS device are also highly recommended.
Many trails in the region provide opportunities to see multiple beautiful high-altitude lakes. The multi-level progression through different lakes like Oô, Espingo, and Saussat is a highlight of the area, allowing hikers to experience varied mountain landscapes within a single outing.
Parking availability varies by trailhead. For popular starting points like Granges d'Astau, there are usually designated parking areas. It's advisable to arrive early, especially during peak season, as spaces can fill up quickly. Always check specific route details for parking information.
Yes, there are routes categorized as easy, perfect for beginner family hikers. These trails typically have less elevation gain and shorter distances, allowing everyone to enjoy the natural beauty without being overly challenged. Look for routes with 'easy' difficulty ratings in the guide.


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