The IGN TOP 25 hiking map No. 0618 OT covers the following area: Châteauneuf-du-Faou, Aulne Valley, Armorique Regional Nature Park.
- Contour lines at 10-metre intervals.
- Detailed legend: vegetation, rocks, transport routes down to the smallest paths, buildings down to individual sheds, woodland, isolated trees, rivers, springs and more.
- Waymarked trails and tourist information are shown.
- Scale: 1:25,000 (1 cm = 250 m).
Municipalities covered: Langolen, Landudal, Briec, Lothey, Landrévarzec, Lennon, Trégourez, Elliant, Coray, Leuhan, Tourch, Ergué-Gabéric, Saint-Thois, Laz, Edern, Gouézec, Pleyben, Saint-Coulitz, Port-Launay, Châteaulin, Châteauneuf-du-Faou.
Places to discover: la Roche du Feu, Aulne Valley, les Montagnes Noires, Domaine de Trévarez, le Stangala, Notre-Dame des Trois Fontaines, Odet-loisirs, Quillinen Chapel.