The association of the valleys:
National Hunting Reserve. 
The Ansó valley: The river Veral narrows at the Biniés gorge. Beech trees,
firs pines and pastures . This is the home of the bears as well as the wild boar,
the Aragonese deer. In Zuriza there is a campsite at the foot of the Ezcurre
rock. Ample meadows in Linza.
The Echo Valley: the river Aragon Subordan
narrows at the "Boca del Infierno". The " Selva de Oza" is a
forest of beeches, pines a firs, with the odd bear, cappercailles, squirres and
birds of prey. Deer in the mountains: Guarrinza, Gabardito and Aguas Tuertas are
all bautiful spots. Summits: Pena Forca and Agüerri.
The Tena Valley: Glacial valley surrunded by mountains rising to over 3000 m. : Balaitous, with a whole host of small lakes, meadows and thermal springs (Panticosa spa). Pinturesque valley of Canal Roya and Canal de Izas. The Natural Hunting Reserve of Vinamala has been declared Biosphere Reserve by Unesco. Deer, wild boars and cappercailles.
Other places of interest: The Pena Oroel, the Valley of "La Garcipollera", the Guarguera, and the "Mallos" of Isun.