Apparently for french pilots you must have the pilot diploma. It's a prefet order.
You have to wear a helmet too.
Access
Cog wheel train: http://www.panoramiquedesdomes.fr/
From june to september (10h-19h) car forbiden. Take the shuttle: 2,30 euros (paraglider price).
before this dates and if the road is open, 4 euros to go up with your car.
Rules
ATTN: CTR/ TMA (Clermont) very close to the east!