The castle of Bois-Seigneur-Isaac is open to the public on three occasions :


  • The last two Sundays of June and the first Sunday of July, from 14 to 18 hour.


Adults                            7 €

Children (from 6 to 14) 5 €


  • In the framework of the “Journées du Patrimoine” ( Heritage week-end) of the Walloon Region . In 2015 : 10 and 11 September, from 14h to 18h. Reservation required through This email address is being protected from spambots. You need JavaScript enabled to view it. 


Free entrance


  • Any time during the year by reservation for groups of at least 15 people


Simple visit                7 € /person

Visit + Coffee/Tea/Refreshment  9 €/person


The visits are always guided and last from 30 to 50 minutes. The entrance ticket entitles also to the visit of the park, in which numerous remarkable trees are to be seen.