NL FR EN

Group visits

For group visits the fortress is opened nearly all year, given a written and preceding reservation, at least 15 days in advance. No visit is possible on the closing dates mentioned below. Reservation is mandatory and is possible via the reservationform, fax or postal services.

Closing dates

Current closing dates are:

  • 24, 25, 26 and 31 December 2017
  • 1, 2, 3 and 4 January 2018
  • 3 and 10 March 2018
  • 1 and 2 April 2018
  • 1, 6, 10 and 21 May 2018
  • 15 August 2018
  • 15 and 16 September 2018
  • 6 October 2018
  • 1, 2 and 11 November 2018
  • 1, 24, 25, 26 and 31 December 2018
´╗┐
Opening hours
Group visits

Nearly all year, reservation in advance required. More information about group visits.


Visits without reservation

These visits are organised for individual visitors. For these visits, you don't have to make a reservation. You can simply come to the fortress.

Today: no individual visit possible

Next possibility: Saturday 25 November 2017, continual from 10:00 untill 16:00

Check all dates for individual visits on the calendar.