Kärnan Helsingborg Kärnan Kärnan Show map of Skåne Kärnan Show map of Sweden Coordinates 56°02′54″N 12°41′51″E﻿ / ﻿56.048321°N 12.697485°E﻿ / 56.048321; 12.697485 Type Fortress Site information Open to the public Yes Site history Built 14th century