Vaux-le-Vicomte is only open from the end of March through early November and a few weekends during the Christmas holidays (see website for exact dates).
 
Visitor Information — The nearest tourist office is in Melun at 26 pl. St-Jean (www.melun-tourisme.fr; tel. 01-64-52-64-52).

Note: This information was accurate when it was published, but can change without notice. Please be sure to confirm all rates and details directly with the companies in question before planning your trip.