Take the Metro line 13 that passes through Gare St. Lazare and Gare Montparnasse direction Chatillon-Montrouge.
Get off at Châtillon-Montrouge (zone 3), take la Sortie Châtillon (on right) where I will wait for you. We will start at 10h.
Return from station Parc de Sceaux RER B, frequent trains to Paris.
D. Raveau 06 33 23 07 31