Over 450 km, from the Atlantic to the Mediterranean, the Pyrenees have been crossed more than 30,000 times. It's in the central part, between Catalonia and Aragon, from Val d'Aran (Province of Lérida) to Bielsa (Province of Huesca), that the French and Spanish partners have selected the most important itineraries on either side of the mountain, which will join up.
