schoolchildren, teachers in a French establishment, upon presentation of the Pass Education card, issued by the french authorities,.people under 18 years for non-European Union residents,.people under 26 years for European Union residents,.On presentation of a receipt, access to the permanent collections of the Palace, the Estate of Trianon and the temporary exhibitions is free for: On this occasion, booking a time slot remains mandatory to visit the Palace (the Trianon domain is freely accessible). On the first Sunday of every month from November to March, the entire estate, including the Palace of Versailles and the Estate of Trianon, is open free of charge to all. Access to the Estateįree admission to the Palace and the Estate of Trianon Visitors eligible for free admission are nonetheless required to book a free of charge time slot on the online ticket office to access the Palace.