The ticket office is always open 30 minutes before the start of the tour.
| January, February | Monday: | closed |
| Tuesday – Friday: | 11:00 and 14:00 | |
| Saturday and Sunday: | closed | |
| 1 – 6 January: | closed | |
| March, April, May | Monday – Friday: | 9:00, 11:00 and 14:00 |
| Saturday: | 11:00 and 14:00 | |
| Sunday: | March, April: Tours only for pre-booked groups of more than 15 people May: 11:00 and 14:00 | |
| Easter Friday, Saturday and Monday: | 11:00 and 14:00 | |
| 26 April: Old Fortress Day | Free admission from 9:00 to 16:00 Paid guided tours at 11:00 and 14:00 | |
| 1 May: | 11:00 and 14:00 | |
| June, July, August | Monday – Friday: | 9:00, 11:00 and 14:00 |
| Saturday: | 11:00, 14:00 and 16:00 | |
| Sunday: | 11:00 and 14:00 | |
| September, October, November | Monday – Friday: | 9:00, 11:00 and 14:00 |
| Saturday: | 11:00, 14:00 | |
| Sunday: | September: 11:00 and 14:00 October, November: Tours only for pre-booked groups of more than 15 people | |
| 1 November: | closed | |
| 14 and 15 November: | 11:00 and 14:00 | |
| December | Monday: | closed |
| Tuesday – Friday: | 11:00 and 14:00 | |
| Saturday and Sunday: | closed | |
| 24 – 31 December: | closed |
Before visiting the fortress, please read our Visitor Regulations.
