Visits and advice GROUP
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Services on site


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Booking is required
From 9 am no more than 3 months in advance (for example, from the first working day in February for a visit in May). Booking requests are processed in order of arrival and a response (positive or negative) will be sent to the client.
If the booking request is accepted, payment must be made to validate the booking.
Booking for self-guided visits is required by telephone at +33 (0)1 30 83 04 05.
For guided tours, the number of visitors must not exceed 25 people, including the person accompanying them.
For self-guided tours, the number of visitors must not exceed 30 people, including the people accompanying them.
For self-guided tours and guided tours, the number of visitors must not exceed 30 people, including the people accompanying them.
If the group includes no more than 3 additional adults not considered as accompanying personnel, they must buy tickets at the group ticket desk at Entrance B.