Castles & Forts

Hammershus Castle

Gamleborg Fortress

Lilleborg Castle

Rispebjerg Ring Fort

Borgen : Borgehoved

There are at least seven fortresses on Bornholm that have been known throughout historical times. There may in fact be many more, they just haven’t been discovered yet. For more information in English you can read:

Bornholm’s fortresses: status and perspectives from the Neolithic to Medieval Periods by Finn Ole Sonne Nielsen and Benny Staal