The fortress offers a number of different formulas for visitors.

Group visits

For group visits on demand, the following formulas are available:

  • Short visit
    • Duration approx.: 1h
    • Minimum fee: € 90
  • Visit inside
    • Duration approx.: 2h30
    • Minimum fee: € 120
  • Visit inside and outside
    • Duration approx.: 3h30
    • Minimum fee: € 120 + € 20 per guide

For military enthusiasts or military groups there is an extended visit possible which takes approx. 6 hours. Entrance fee for this tour is € 16 per person, with a minimum fee of € 240 per group.

Your guide will determine which parts of the fortress will be visited during a tour, depending on the amount of allocated time and availability of the rooms in the underground barracks. We urge you to be on time.

Individual visitors

To individual visitors we offer a regular visit to the inside of the fortress (duration approx. 2h30). The specific route that will be taken will be decided by your guide.

Special visits

During the weekends that the fortress is opened to individual visitors, there are a number of tours that leave the regular route. Reservation for these guided tours is mandatory. Each visit required an additional fee of € 6 p.p. to be paid.

  • Visit gun turrets North and South
    • For tech enthusiasts
    • Demonstration gun turret North
    • Internal visit gun turret South
    • Only possible on Saturdays at 11 AM
  • Visit northern sector
    • Canal North
    • Destruction of Mi North
    • Only possible on Saturdays at 2 PM
  • Visit gun turret 120
    • For tech enthusiasts
    • Visit to the restored gun turret 120
    • Visit to bloc IV
    • Only possible on Sundays at 11 AM

The visits mentioned above are only possible on the following dates:

  • 30 and 31 March 2019
  • 27 and 28 April 2019
  • 25 and 26 May 2019
  • 29 and 30 June 2019
  • 21 July 2019
  • 24 and 25 August 2019
  • 28 and 29 September 2019
  • 26 and 27 October 2019
  • 23 and 24 November 2019

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 27 April 2019, continual from 10:00 untill 16:00

Check all dates for individual visits on the calendar.