The medieval dungeons may only be visited on a guided tour. Tours with a media guide, daily at 11 a.m. and 12, 1, 2 and 3 p.m.
Special hours for holidays in 2019
| 19 April (Good Friday) | Guided tours at 11 a.m. and 12, 1, 2 and 3 p.m. |
| 20 April (Holy Saturday) | Guided tours at 11 a.m. and 12, 1, 2 and 3 p.m. |
| 21 April (Easter Sunday) | Guided tours at 11 a.m. and 12, 1, 2 and 3 p.m. |
| 22 April (Easter Monday) | Guided tours at 11 a.m. and 12, 1, 2 and 3 p.m. |
| 1 May (Labour Day) | Guided tours at 11 a.m. and 12, 1, 2 and 3 p.m. |
| 30 May (Ascension Day) | Guided tours at 11 a.m. and 12, 1, 2 and 3 p.m. |
| 9 June (Whitsunday) | Guided tours at 11 a.m. and 12, 1, 2 and 3 p.m. |
| 10 June (Whitmonday) | Guided tours at 11 a.m. and 12, 1, 2 and 3 p.m. |
| 20 June (Corpus Christi) | Guided tours at 11 a.m. and 12, 1, 2 and 3 p.m. |
| 3 October (Day of German Unity) | Guided tours at 11 a.m. and 12, 1, 2 and 3 p.m. |
| 1 November (All Saints' Day) | Guided tours at 11 a.m. and 12, 1, 2 and 3 p.m. |
| 24 December (Christmas Eve) | closed |
| 25 December (Christmas Day) | closed |
| 26 December (Boxing Day) | Guided tours at 11 a.m. and 12, 1, 2 and 3 p.m. |
| 31 December (New Year's Eve) | Guided tours at 11 a.m. and 12, 1, 2 and 3 p.m. |