Refine your search for walks in Oust
Mirabat Castle

Climb up to the ruined Mirabat Castle, where you can enjoy a beautiful view of the Couserans mountain range with Mont Valier and the plain in the foreground.
Pic de la Quère

Start from the village of Alos and its castle. After a steep climb, you will discover the panorama of the Ariège Pyrenees and, at the summit of the Pic de la Quère, a small part of the Mont Valier.
L'Estours and L'Artigue
A round-trip route dominated by water, in the cool valley of the Estours and Artigue streams.
Étang d'Eychelle and Cabane d'Eychelle

A pretty lake nestled at the foot of the mountains and a shepherd's hut in summer surrounded by mountains with, on the way back, a beautiful view of the Bethmale Valley.
From Lac de Bethmale to Étang d'Ayes

A breathtaking hike leading to Étang d'Ayès from Lac de Bethmale via Cirque de Campuls and its wonderful waterfall.
The waterfalls on the Chemin d'Espagne

A beautiful hike in the Uustou Valley, which passes through the hamlets of L'Echart and Ossèse, with numerous waterfalls (especially in spring). As a bonus, you can see the superb Lastien waterfall. A very beautiful hike with no difficulty. Most of the route is covered by vegetation (pleasant in strong sunlight).
The Ars Waterfall

A fantastic getaway leading to one of the most beautiful and largest waterfalls in the Pyrenees.
Cascade d'Ars et cascade du Fouillet
Boucle au départ d'Aulus-Les-Bains vers la cascade d'Ars et retour par la cascade du Fouillet.
Randonnée très agréable, en forêt sur quasiment tout le parcours, avec pour récompense deux cascades mirifiques.
Majestueuse, la cascade d'Ars est haute de 246 m en 3 ressauts et sa partie médiane large de 60 m.
La cascade du Fouillet, de moindre envergure, est tout aussi belle et impressionnante.
Ars waterfall and Guzet lake

Loop starting from Alus-Les-Bains with varied landscapes. Hike to be undertaken after the snow has completely disappeared (check in advance). Several passages through peat, in the middle of streams and avalanche corridors.Please note: look carefully for markings and signposts, which are not always very visible.
Cirque de Cagateille, Étang de La Hilette and Étang d'Alet from Ustou

A magnificent route in the mid- and high-mountain range, with water features in the first part, then vast horizons opening up before your eyes.
This circuit requires a good level of fitness but is well worth the effort.
N.B. Please take into account the difficult sections at (3) and (6).
Only to be attempted in very good weather: from (4) very difficult orientation in foggy weather and from (7) exposure to thunderstorms.
Le belvédère du Couserans

De ruelles en sentiers, cet itinéraire conduira le promeneur de Saint-Lizier au Montcaliver, belvédère sur l'ensemble des vallées couserannaises et les splendides sommets dominés par le seigneur du Couseran: le mont Vallier.
Réglisse pond

Nice hike from the Cirque de Gérac with views of the valley and Mont Valier in the background. Two passages with iron steps and a succession of two ponds before arriving at the summer hut and the Étang de la Réglisse nestled at the foot of the cliffs.
Alate pond

A beautiful blue pond at the foot of the granite Mont Garias with a beautiful view of Mont Valier during the ascent
Pic de Cabanatous - Étang d'Alate

This hike, accessible to all, offers a taste of the high mountains. After the Étang de Labant, the route leads to the Pic de Cabanatous, a marvellous lookout point over the Étangs de Bassiès and beyond to the great summits of the Ariège. On the way back, the Étang d'Alate is the perfect place to stop for a break before heading back to the Port de Saleix, a very important ancient communication route that facilitated trade between the Couserans and Vicdessos regions.
Cirque de Garbettou and Étang du Garbet

The climb is divided into two stages: the Cirque de Garbettou, which is easy to access, with its waterfall and streams, and the steeper, rockier climb to the Étang du Garbet, with its turquoise reflections, waterfall and occasional snowfields.
26/08/2024: Allow an extra 30 minutes on average to complete this hike.
Discover the ruins of Saint-Barthélémy Castle

Between farmland and virgin forest, discover the ruins of the Château de Saint-Barthélémy, which overlooks the authentic villages of Durban-sur-Arize and Montseron on the Plantaurel massif. You will admire the most peaceful landscapes: views of the Pyrenees, emerald forests worthy of the greatest fantasy films, and hills stretching as far as the eye can see.