The national museum covers 35 ha of parkland and boasts a rich collection of paintings, books and engravings, abbey ruins, buildings constructed in the 15th to 19th cent. and inner gardens.
Route des Granges, 78114 Magny-les-Hameaux (Yvelines).
+33 (0) 1 39 30 72 72.
10:30am-12:30pm and 2pm-6pm from 04.1 to 10.31 (10:30am-6:30pm on Saturdays, Sundays and public holidays); 10am-12pm and 2pm-5:30pm from 11.1 to 03.31 (10:30am-6pm on Saturdays, Sundays and public holidays). Closed on Tuesdays and from 12.21 to 01.4.
Abbaye : Only on Saturdays, Sundays and public holidays, 1pm-6:30pm from 04.1 to 10.31 ; 1pm-6pm from 11.1 to 03.31.
. No entry fee on the First Sunday of each month