I'm not sure how many SF members this will appeal to - but Ooh.com is a free listings site for things to do around the world. That includes France :)
They currently quote anything from circus training and food foraging, to cocktail making and mountain boarding ! I've worked with them and they were pretty slick with their website promotions - they have an admin office in the UK too.
http://www.ooh.com/all/all/all/fr/list
Hope that's useful to someone somewhere,
Annette
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