The Grande Randonnée trail runs through the Pyrenees from west to east. From Vielle-Aure, it allows you to reach the valleys of the Tourmalet at the Col de Madamète (about 11 hours to this point) via the Lac de l’Oule. On the other side, one reaches the Louron Valley at Couret de Latuhé (about 3 h to this point) via Azet.
To the Néouvielle Reserve
Aygues-Cluses valley :
Lakes of Coueya Gran – Lakes of Madamète – Laquets of Madamète -Col de Madamète (2508 m).
Aygues Cluses refuge accommodation (under construction)


Towards Lake Oredon
Gourg de Rabas (or Gourguet de Madamète)
Lodging nearby Refuge d’Orédon and Chalet Hôtel d’Orédon.
Lac d’Aumar – Col d’Estoudou (2280 m).
Lac de l’Oule
– Lodging refuge de l’Oule
Bifurcation above the Bastan hut to the Col du Portet- Col du Portet (2214 m) – (lodging nearby Chalet de l’Ours in Espiaube) –

Variant
From Artigues in the valley of CampanTowards the lakes of Campana
Lac de Caderolles – Lac de Gréziolles – Lac Noir – Laquettes de Gréziolles – Lac du Campana

Lac Arrédoun – Lac de la Hourquette –
Col de Bastanet (2509 m) – Lac Supérieur – Lac du Milieu -Lac Inférieur
This variant joins at this level the route of the GR10 towards the Néouvielle Reserve or else towards the Col du Portet.

Towards the Aure Valley
From the Portet passCol du Portet (2214 m)
Crêtes de Grascoueou – Vielle-Aure – Bourisp -Sailhan
Accomodation
– Vielle-Aure hotel Aurélia- Bourisp Gite de la Fontaine and camping La Mousquère – Le Relais de l’Empereur in Sailhan


Towards the Louron Valley
Sailhan- Azet – Azet Pass (1580 m) –