Free admission is given to:
- the guide accompanying the group, on presentation of his/her professional card;
- the leader of a group of at least 20 people;
- the driver on presentation of his/her professional card;
- young people under 18;
- young people under 26 who are EU citizens or regular residents in France;
- all visitors on the first Sunday of every month (period varies according to the monument: please check first);
- students of art, architecture and history of art, studying vocational tourism qualifications or training as a national tour guide;
- disabled persons and the person accompanying them (except group tours);
- job-seekers, on presentation of valid proof.