N.B.
Form October to March :
Tuesdays, thursdays, fridays and saturdays :
10h-12h30 / 13h30-17h
From April to september :
From Tuesday to saturday :
10h-12h30 / 13h30-18h30
Open for groups on other days, booking required.
booking required at Chapelle.expiatoire@monuments-nationaux.fr.