The Victory procession: the first
Friday in May Jaca commemorates a victory over the arabs. Festival of Santa
Orosia: on 25th June pilgrims and dancers with sticks walk from Yebra de Basa up
to the hermitage.
The Pyrenees Folk Festival: 
At
the end of July on odd years Jaca welcomes folk groups from all over the world.
The day of the Ansó costume: The last Sunday in August Ansó
becomes a living museum of its typical costume. During the month of July, soul,
folk, and pop groups of all over the world come to the Pirineos sur Festival.
Aínsa (august): music festival in a pinturesque valley.
Further all these Festivals during July and August all the towns celebrate
their Folk and costume. Live them! 
Autumm: San Miguel marks the beginnig of the markets where you can find cows,
lambs, horses, mastines del Pirineo ( great dogs of the mountains) and all kind
of things handmade ( typical artesany of every town and valley)...