The IGN TOP 25 hiking map No. 1446 ET covers the following area: Tardets-Sorholus, Arette & La Pierre St Martin (Pyrenees).
- Contour lines at 10-metre intervals.
- Detailed legend: vegetation, rocks, watercourses and more.
- Hiking trails are shown.
- Scale: 1:25,000 (1 cm = 250 m).
Municipalities covered: Arette, Sainte-Engrâce, Idaux-Mendy, Larrau, Lacarry-Arhan-Charritte-de-Haut, Aramits, Esquiule, Ossas-Suhare, Barcus, Haux, Sauguis-Saint-Étienne, Lichans-Sunhar, Tardets-Sorholus, Etchebar, Roquiague, Alos-Sibas-Abense, Menditte, Laguinge-Restoue, Montory.
Places to discover: Arbailles Forest, Pic d'Issarbe, Chardékagagna, Pic Lakhoura, Pic d'Anie, Ehujarré Gorge, Pic d'Arlas, Soum d'Ire, Kakouetta Gorge, Holzarté et d'Holhadubi Gorge, Otchogorrigagna, Sierra Longa, Haute Soule, Massif des Arbailles, la Madeleine, Ste-Engrâce, Éliçabéa, Gouffre Lépineux, Passerelle d'Holtzarte.