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On the Way of St James, between Villanúa and Castiello de Jaca

The Camino de Santiago (or "Camino francés") leaves the mountains here and follows the Aragon valley towards the stopover town of Jaca. Between the two villages mentioned, the route is easy but picturesque, with beautiful views of the peaks and forests... and a convenient train to return to the starting point. The route can easily be done in reverse, which may or may not be convenient depending on train timetables. With a few adjustments at the start, the route can be done by mountain bike.
La Fuente del Paco in Villanúa

Version 2 updated on 30/04/2023
When the weather is bad in the Aspe Valley, it may be wise to go through the Somport tunnel and look for routes a little further south, where the sun may be shining. Here we present a fairly short, unpretentious but very accessible and frankly pretty (in our opinion) loop.El Paco is the cooler, wooded northern slope of a mountain, covered here with a protected pine forest, and La Fuente is a spring (fountain).
La Casita de la Cueva in Canfranc

The immense forests that dominate the Canfranc resort hide many secrets: amazing hydraulic structures, comfortable paths to access them, unique vegetation and a little-known history. Hiking in this setting is all the more enjoyable, even if the gentle slope of the paths means you cover more ground than you might imagine.
The Chiniprés hut

A relatively short route to one of the best viewpoints in the upper Canfranc Valley, offering views of both Canfranc-Gare international station and the Candanchú ski resort.
From Somport to Astún via the ridges – HIKE TO SEE AGAIN

Hike to revisit
A little-used border hike offering views of the three valleys of Aspe, Canfranc and Ossau from above. Stunning views in all directions. Route for hikers: you will need to find your bearings at the start as there are no signposts. The end of the route can be avoided by hikers who suffer from vertigo.
The Bois du Sansanet and the Col Causiat around Somport

An easy loop allowing you to discover the diversity of landscapes and natural areas on the northern flank of the Col du Somport. The climbs are gentle and the route is fairly easy to follow, provided you have a map on your phone with GPS. In addition, the Espace Somport is a pleasant place to relax. Everything you need for a "cool hike"!
Visorando app recommended
Lac d'Estaens loop via the Chemin des Échelles

The aim here is to make a loop. You will need to climb down a small chimney and follow a path that runs along the cliff and takes you down a ladder. Magnificent view of the peaks and the valley below.
From Puerto Astun to the Col des Moines
This hike climbs steeply over a short distance but the path is passable. The hike takes you to Lake Escalar and the Col des Moines. It offers a variety of viewpoints.
Astún - Pombie

This is the first day of a cross-border hike that takes you to the Pic du Midi d'Ossau, starting from an unusual point, the Col du Somport, rather than the Col du Pourtalet.Overnight stay at the Refuge de Pombie is essential, so remember to book in advance.
Lake Anayet
Hike from the car park at the Fomigal Zona Anayet resort towards Lake Anayet.
Follow the GR®11 trail. Pass through the Garganta and continue on to Lake Anayet. Once at the lake, the view of the Pic du Midi d'Ossau is magnificent, as are the setting, colours and reflections.
You can also climb the Cuello de Anayet pass (2,414 m) and then the Punta del Garmo (2,555 m), which are off the trail.
El Arco de Piedrafita or Sarronal Arch

A beautiful loop starting from Piedrafita de Jaca with a visit to a geological curiosity, the Sarronal Arch.
Pico el Forato loop from Formigal

Magnificent views of the French (Pic de Peyrelue, Soques, Balaïtous) and Spanish (Foratata, Sabocos, Pala de IP...) peaks of the Pyrenees on this moderately difficult loop trail, which goes around the El Forato massif, a group of several peaks very close to each other. Difficult if, like me, you choose to climb the peak from the landmark. Walking sticks are highly recommended for the descent. Lots of marmots along the route.
Houer Lake

Lac de Houer is very quiet, as hikers prefer to head towards Lac de la Pombie from Cabane d'Araille.
In summer, this walk allows you to admire the equally beautiful landscapes far from the crowds, surrounded by pastures and herds of cattle.
Along the Gave de Brousset from Soques

A round trip along the Gave de Brousset, offering superb views of the surrounding mountains. The route is often shaded. If you are not sensitive to the cold, you can swim in the river.
Pic d'Arriel via the north-west route and Petit Pic d'Arriel loop

This loop in the Ossau Valley offers a wide variety of peaks, lakes, rivers, waterfalls, aerial passages and remarkable 360° views. It is a challenging hike due to its significant elevation gain and passages where you will need to use your hands, but it is sure to leave a lasting impression.You will be following in the footsteps of Henry Russel, who made the ascent in July 1874 and gave a faithful account of it in the Bulletin de la Société Ramond, under the title "Explorations pyrénéennes" in October 1874.Writing a description of it yourself requires a certain amount of humility, as his style, always generous, often lyrical and sometimes emphatic, commands respect! All this with the limited technical means of the time!
Three peaks of the Massif d'Arrious: Lac d'Arrious, Arriel, Petit Pic d'Arriel

This loop in the Ossau Valley offers a wide variety of peaks, lakes, rivers, waterfalls, aerial passages and remarkable 360° views. It is a challenging hike due to its significant elevation gain and passages where you need to use your hands, but it is not one you will forget. It adds difficulty and also enjoyment to the traditional loop by passing through the famous Passage d'Orteig, the Pic d'Arrious and the cliffs of the Barre d'Arrious!You will be following in the footsteps of Henry Russel, who climbed the Arriel via the normal route in July 1874 and gave a faithful account of his ascent in the Bulletin de la Société Ramond, under the title "Explorations pyrénéennes" in October 1874.Writing a description yourself forces a certain amount of humility, as his style, always generous, often lyrical and sometimes emphatic, commands respect! All this with the limited technical means of the time!