Danish version 

The Author  
Map and Overview
Fortification overview

Defence of Copenhagen
The Persons behind
The  Mobilisation 1914
Attack against Denmark

The Northern Defence Line
The Forts
The Batteries
The Flooding
The Positions

The Naval and Coastal Forts
The 1. Defence Line
The 2. Defence Line
The 3. Defence Line

The Western Defence Line
The Principles
 The Profile
The Caponiere
The Batteries
The Storing Facilities

The Tune Position
Modern Warfare
The Aerial War
The Position
The Mosede Fort
The Foxholes
The Galleries
The Trenches     
The Artillery
The Air Defence    
The Camps and Barracks
Other Facilities
After WW I
The Present Remains


The Fortifications of Copenhagen 

The Naval Fort "Proevestenen"


The Prøvestenen
naval fort can lead its military history back to 1713 , when as amall ship of teh same name were sunk at the same place, to make an artificial armed ememrgency harbour for the navy.
The naval fort of to day was established in 1859-63.

The Fort was build on an artificial island of stones.The artillery was placed under open air, divided by four  concrete traverses. In these there were romms for the crew and stores for ammunition.
The Fort had observation posts and floodlights.

The Fort is a part of the inner line og the naval defence and was supposed, along with the Stricker Battery (coastal), The Mellemfort (naval), the Lynetten Battery (coastal) and the Trekroner (naval) keep hostile ships  fjendtlige Skibe in proper distance of Copenhagen and especially prevent them to get into the   Kongedybet, the area between the little island Saltholm and Seeland and thus the strait to the harbour of Copenhagen.

The Fort was rearmed several times. At the outbreak of WW1 it was armed with sixteen 17 cm. steel canons, six 29 cm iron canons, eight 47 mm rapid firing canons, og which tree was for the aireal defence. In addition there was one 75 mm. canon and to machineguns for aireal defence and two 90 cm. floodlights.
Later the armament was reduced to twelve 17 cm.canons, one 75 mm canon and three 47 mm canons.

The Prøvestenen Fort was decommisioned in 1922.
To day its part of the Copenhagen fuel store and not accesible.

The Proevesten Fort. Deck and
artillery 1924

                           The fort  1865


                     The Proevestenen, Areal Photo 2005

     The throat, Proevestenen      

                 The Throat

       The Front, Proevestenen
The Front towards the Øresund
     Openings for the canons

      Openings for the canons
   Frederik the 7th. monogram

          The building periods
            of theProevesten Fort
   Christian the 9th. monogram
     The eastern end of the fort

           The gate to the fort

                      The gate
          Entrance from the gate


Stairs to the gun deck


                To the guns


                  Gun stands


                The gun deck


      Ammunition stores and
         rooms for the crew




                  Gun stands


    Ventilation pipes from the

    Tower at the western end

        Front of a gun stand
       Entrance to the fort from
                 the gun deck

      Stairs to the ground floor
               The ground floor
 The ceiling in the ground floor




    Stand for casemat canon
            Room for the crew
            Gate to one of the




               Casemat cannon)
         Door in the casemats






               Original door

         Pipes Under the fort



     Tunnel in the casemates
            Ammunition store
          15 cm.  casemat guns