All visits take place in a clearly defined time slot to avoid long queues and to make sure our visitors enjoy optimal comfort when visiting the monument.
You must ensure that you comply with the health regulations at the day of your visit to an establishment open to the public.
The monument is free on the Saturdays and Sundays of the "European Heritage Days" which are organised on the 3rd weekend of September ; the 1st Sunday of the month (from 1 February to 31 March and from 1 November to 31 December).
There is no left-luggage office at the monument.
E-tickets are to be printed at home or presented on a mobile phone (smartphone or tablet); in the case of the latter, please download your e-tickets before your visit (network coverage is poor at the entrance to the monument).