No, but some one has kindly split this section of the board into "UK and Eire" and "abroad". Now which section would best suit this thread?
On a more helpful note, I haven't done the exact trip you're doing but there'll undoubtedly be millions of trains from cdg to paris, prob Gare de Nord, then the metro is fairly self explanatory - you need to go to Gare de Lyon for font trains. Font is on one of the main commuter routes, last time I did it there where several trains an hour