Carcassonne is located in the south of France about 80 kilometres (50 mi) east of Toulouse. Its strategic location between the Atlantic Ocean and the Mediterranean Sea has been known since… See more

The fortified city
The fortified city consists essentially of a concentric design of two outer walls… See more

The newer part (Ville Basse) of the city on the other side of the Aude river (which dates back to the Middle Ages, after the crusades) … See more

The first signs of settlement in this region have been dated to about 3500 BC, but the hill site of Carsac—a Celtic place-name that has been retained at other sites in the south—became an important trading place in the sixth century BC. The Volcae Tectosages fortified … See more

Carcassonne was the first fortress to use hoardings in times of siege. Temporary wooden platforms and walls would be fitted to the upper walls of the fortress through square holes… See more

Carcassonne has a humid subtropical climate (Köppen climate classification: Cfa), though with noticeable hot-summer mediterranean… See more

• École nationale de l'aviation civile See more