From Gare de Lyon, take the exit n°9, Place Henry Fresnay, end take the street Hector Malot on your left.
From Roissy Airport :
TAXIS : Gare de Lyon
BUS: Air France
RER : (RER D +RER B)
From Orly Airport :
TAXIS : Gare de Lyon
CARS Air France Etoile/Invalides/Montparnasse/Orly
BUS : Orlybus at the Denfert Rochereau station
RER : RER B then from Antony : Orlyval.