Estos Valley with the Batisielles and Escarpinosa mountain lakes

A very pleasant walk that goes as far as the Batisielles tarns and takes in a section of the path to the Estos mountain hut. The walk passes a small hut – the Santa Ana hut – which is very charming. You can make an initial stop at the Batisielles tarn, where you can take the path leading directly to the pass between the two tarns to avoid the following sections. You can also head to the second ibon, the Aigulla de Batisielles, but this adds an extra 100 metres of elevation gain. You can turn back and take a path to avoid the avalanche couloirs. There is also a very difficult and very long section through the middle of the avalanche couloirs and over rocky ground. The rest of the route through the avalanche couloirs continues to feature dangerous sections. To see the paths more clearly, switch the map to OSM Rando. Please stay on the paths and respect the mountain environment.

Starting from Fuente de la Pubiya and ending at Prados de Llosás. The first day covers around 10 km with a climb of nearly 1,000 m. A lovely, gradual climb through the heart of the valley, with superb scenery and a finish in a magnificent setting.

The walk starts from Fuente de la Pubiya, which is easily accessible by car and has a car park nearby. This walk allows you to reach your first peak at over 3,000 metres whilst enjoying magnificent high-mountain scenery, including glacial lakes, ridges and panoramic views of the Maladeta massif. However, the route remains challenging due to its length and elevation gain: it is advisable to be reasonably fit and to have experience of mountain walking before attempting it.

A very beautiful hike. There is a tricky 10-metre section at the waterfall, but there is a safety line to help you. The outward journey is a little more difficult than the return journey, but it's worth it. And it's good to do it in this direction. The return route crosses fields.

A hike following the Remuné ravine, classified as ‘moderate’ by the Tourist Office, but we found the route to be more technical due to the numerous scree slopes and small streams, which made the rocks slippery. Some of the climbs are steep but over short distances; you climb whilst enjoying views of the various surrounding peaks and the sound of the waterfalls. The upper Ibons were almost dry, but the plateau then allows you to climb up to the Ibon de Remuné, which offers a little haven of tranquillity. A pleasant outing, though longer than expected.

The route runs from Prados de Llosás to the Cap de Llauset mountain hut. This is a day during which you’ll have the chance to climb a peak over 3,000 metres high, the Tuca de Culebres. From there, you’ll be able to enjoy a magnificent view of the Aneto. You’ll then continue on a gentle descent to the mountain hut.

On this day’s hike, you’ll need to find your own way up to the Pic de Maupas over rounded boulders, where the numerous cairns mean you’ll have to locate the next one each time to continue the ascent to the ‘Mal Pas’, which gave the peak its name. This is the only pass – difficult to access – allowing you to cross over to the western slope and complete the ascent with a few easy climbing moves. The return will follow the same route as the ascent, with a pleasant alternative route via Lac Vert.

The route runs from Plan d’Abaixo to Fuente de la Pubiya. This final stage, approximately 10 km long, will take you back to the starting point of the route. You’ll follow mountain paths offering beautiful views of the valley before finishing with a gentle descent to Fuente de la Pubiya, thus completing this circular walk.