The Fortress museum is showing by exhibitions the military history, from the 16th century until today.
Opening hours:
Weekends in May 7-8, 14-15, 21-22, 28-29, at 12.15 - 16.00.
4 - 30 June, 12.15 - 16.00
5 June 11.15 - 16.00, 19 June 11.00 - 16.00
Closed Midsummer 24/6-25/6.
1 - 31 July 11.15 - 19.00. 1-31 August 11.15 - 17.00.
September weekends 3 - 4, 10 - 11, 17 - 18, 24 - 25, 12.15 - 16.00.
Guided tours for groups year around. Call +46 8 12004870 to book.