G'day
Try the FNA site (Fédération Nationale Aéronautique - French CAA) at:
http://www.fna.asso.fr/fna/
The following is a short cut to a map of France. Click on the area you are going to and you get a list of the local aeroclubs.
http://www.fna.asso.fr/fna/club.rech.geo.html
Good luck