Calais / Site voyage Inglard - Zone Industrielle des Dunes, Rue des Verrotières, entrée au panneau : MARMIN TP, 62100 Calais
Switchboard hours : Monday to Sunday, from 9:00 am to 12:00 pm and from 2:00 pm to 6:00 pm, except on public holidays.
Opening day : Open all year long by appointment.