page_title: Slusen, Copenhagen
section_title: History
hierarchical_section_title: Slusen, Copenhagen / History
caption_attribution_description: English: Slusen in Copenhagen, Denmark
context_page_description: Slusen is a lock in the South Harbour of Copenhagen, Denmark. It regulates water levels and inhibits unfavourable currents in the Copenhagen Harbour, occupying both sides of the narrow strait between Zealand and Amager. It lends its name to the adjacent Sluseholmen neighbourhood.
context_section_description: The Slusen lock system was established between 1901 and 1903 as a consequence of the comprehensive changes which had taken part in Copenhagen Harbour over the past decades. Large-scale expansions of the harbor had dug away enormous amounts of material which had in turn been used for reclamations elsewhere. Especially the ones in the southern part of the harbor, Islands Brygge and the areas now known as Sluseholmen and Teglholmen on the Zealand side, had led to strong currents of up to 6knots. Due to the relatively weak engines of ships at that time, it made navigation difficult.
   
  The lock was used by fishing vessels, dredgers and smaller freight ships right up until the 1970s. The Sjællandsbroen bridge was built to the south of the lock in 1969. It was designed by Niels Rohwder. It originally opened to passing vessels. It is now permanently closed and with a  clearance of just three metres, only smaller boats can now enter and exit Copenhagen Harbour from the
caption: Slusen in about 1930
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