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.
During group visits, the cafeteria of the fortress is closed.
Opened one weekend per month (March-November included), from 10 AM till 4 PM (register closes and departure last visit). The cafeteria and the underground barracks are opened.
Current data for these weekends:
Following rates apply:
For group visits there is a minimum fee or a supplement. These fees depend on the type of tour chosen. More information about the different tours.
Current closing dates are: