Meet at Gare de Lyon: 9:00 am in the middle of the RER A platform towards Cergy le Haut,
departure 9:13 am UPAC train; arrival 9:59 am at Cergy Saint Christophe.
Return to Cergy Saint Christophe station 4.07pm (RER every 20 minutes); arrival at Gare de Lyon 4.52pm.
Registration with Monique Jacob: 06 09 14 50 64
Dress for the weather (good shoes, rain cape…)
Packed lunch
Personal insurance for each participant.
Application of current health regulations
Please respect the instructions given by the organizers, particularly with regard to moderate walking pace (around 4km/h) and breaks.