But whatever you do...... do it, had a go 2 years ago in Pamp, went to the top of the mountain at night and it was fab, but a little cold. Not to expensive and damn good fun
You will have to ride 2 up as your 8 year old will not be allowed to drive. Make sure they have a face mask or scarf across the nose and mouth as the fumes can get a bit strong on the pillion. But it's great fun and well worth doing. Book locally at the Mougavets