Tourism bureau of Carcassonne: www.carcassonne-tourisme.com

The medieval city of Carcassonne: www.carcassonne.culture.fr

Festival of Carcassonne: www.festivaldecarcassonne.com

Association of the "channel of the south in Languedoc": www.canalmidi.com

The mystery of Renne-the-castle: www.renneslechateau.com

Castles and abbeys out of grounds-cathares: www.terres-cathares.com