World Heritage Photos

Defence Line of Amsterdam

The Defence Line of Amsterdam is a 135 km long ring of fortifications around the city of Amsterdam. The fortifications were built in the period 1883-1920. Amsterdam was protected by a network of 45 forts, 4 batteries and waterworks, such as a system of canals and sluices, dikes and inundations (temporary flooding) from the polders. The  Defence Line of Amsterdam lies at approx. 15 to 20 km from Amsterdam. The Defence Line of Amsterdam would function as the final line of defence for Amsterdam, the capital city of the Kingdom of the Netherlands. Part of the of the defence line is the Fort along Pampus, located on a man-made island in the former Zuiderzee, nowadays Lake IJsselmeer. The Defence Line of Amsterdam has never seen combat service, during its construction, the invention of the aeroplane, tank and long-range artillery rendered the defence line obsolete. Today, many of the forts are used for different purposes, such as wine trading, art centre and museum. Five forts of the Defence Line of Amsterdam are located in the Beemster Polder. Several forts of the Defence Line of Amsterdam are also part of the New Dutch Water Line. The Defence Line of Amsterdam is also designated as a Dutch National Landscape, due to the combination of nature and cultural heritage. The Defence Line of Amsterdam was declared an UNESCO World Heritage in 1996.

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Defence Line of Amsterdam - Fortress Spijkerboor is the northernmost fortress of the Defence Line of Amsterdam, it is situated in the south-west corner of the...

Fortress Spijkerboor is the northernmost fortress of the Defence Line of Amsterdam, it is

situated in the south-west corner of the Beemster Polder. Five fortresses of the Defence

Line of Amsterdam are located in the Beemster Polder, also an UNESCO World Heritage.

The Defence Line of Amsterdam gained status as an UNESCO World Heritage in 1996.

  1. Defence Line of Amsterdam - Fortress Spijkerboor is the northernmost fortress of the Defence Line of Amsterdam, it is situated in the south-west corner of the...

    Fortress Spijkerboor is the northernmost fortress of the Defence Line of Amsterdam, it is

    situated in the south-west corner of the Beemster Polder. Five fortresses of the Defence

    Line of Amsterdam are located in the Beemster Polder, also an UNESCO World Heritage.

    The Defence Line of Amsterdam gained status as an UNESCO World Heritage in 1996.

  2. Defence Line of Amsterdam - Defence Line of Amsterdam: The original turret of Fortress Spijkerboor.  The fortress was built between 1889 and...

    Defence Line of Amsterdam: The original turret of Fortress Spijkerboor. 

    The fortress was built between 1889 and 1911. It was mobilized during WWI and during the

    first days of WWII it also was manned. The fortress still preserves some original rooms such

    as the kitchen, washroom, telephone exchange, generator room and also its original turret.

  3. Defence Line of Amsterdam - Defence Line of Amsterdam: Inside the gun turret of Fortress Spijkerboor, the two Krupp guns had a range of 10 km. Fortress Spijkerboor...

    Defence Line of Amsterdam: Inside the gun turret of Fortress Spijkerboor, the two Krupp

    guns had a range of 10 km. Fortress Spijkerboor can be visited only a few days a month.

    The Defence Line of Amsterdam has never seen combat service, during its construction,

    the invention of the aeroplane rendered the defence line obsolete. 

  4. Defence Line of Amsterdam - Fortress Spijkerboor is part of the Defence Line of Amsterdam and is one of the largest fortresses of the Defence Line of Amsterdam. Fortress...

    Fortress Spijkerboor is part of the Defence Line of Amsterdam and is one of the largest

    fortresses of the Defence Line of Amsterdam. Fortress Spijkerboor is the only fortress of

    the Defence Line of Amsterdam that still preserves its original turret. The original guns 

    are still inside the turret, the two Krupp guns were the most powerful in the Netherlands.

  5. Defence Line of Amsterdam - Defence Line of Amsterdam: A Classic Mini in front of Fortress Spijkerboor. Fortress Spijkerboor is situated in the Beemster...

    Defence Line of Amsterdam: A Classic Mini in front of Fortress Spijkerboor.

    Fortress Spijkerboor is situated in the Beemster Polder. It was the most important fortress in

    the northern part of the Defence Line of Amsterdam. Fortress Spijkerboor was built to defend

    the dikes around the Beemster Polder, the Beemster Ring Canal and the North Holland Canal.

  6. Defence Line of Amsterdam - Defence Line of Amsterdam: The Fortress at Vijfhuizen is situated on an island in a canal.  The Fortress of Vijfhuizen was...

    Defence Line of Amsterdam: The Fortress at Vijfhuizen is situated on an island in a canal. 

    The Fortress of Vijfhuizen was completed in 1898, the fortress is part of the Defence Line 

    of Amsterdam. The Defence Line of Amsterdam was a 135 km long ring of fortifications

    around Amsterdam. It was built in the period 1883-1920.

  7. Defence Line of Amsterdam - Defence Line of Amsterdam: The Geniedijk Haarlemmermeer is part of the Defence Line of Amsterdam, the dike runs through the...

    Defence Line of Amsterdam: The Geniedijk Haarlemmermeer is part of the Defence Line of

    Amsterdam, the dike runs through the Haarlemmermeer Polder. The dike is running from the

    Fort at Vijfhuizen to the Fort at Aalsmeer, passing the Battery along IJweg, Fort at Hoofddorp,

    Battery along Sloterweg, the Slotertocht casemates and Battery along Aalsmeerderweg.

  8. Defence Line of Amsterdam - Defence Line of Amsterdam: The Fortress at Vijfhuizen is completely surrounded by water. During WWII, the Germans removed the...

    Defence Line of Amsterdam: The Fortress at Vijfhuizen is completely surrounded by water.

    During WWII, the Germans removed the steel objects including the guns, the steel was

    transported to the Ruhr region and melted down for munitions. The Fortress of Vijfhuizen

    is part of the Defence Line of Amsterdam.

  9. Defence Line of Amsterdam - Defence Line of Amsterdam: The Genieloods belongs to the Fortress of Vijfhuizen and is also part of the Defence Line of...

    Defence Line of Amsterdam: The Genieloods belongs to the Fortress of Vijfhuizen and is

    also part of the Defence Line of Amsterdam. The Genieloods is a steel structure, it was

    built in 1896 and was used for the storage of weapons. The Defence Line of Amsterdam 

    was declared an UNESCO World Heritage in 1996.

  10. Defence Line of Amsterdam - Defence Line of Amsterdam: 'Sluipweg' is a work of art at the Fortress of Vijfhuizen. Fortress of Vijfhuizen is nowadays a...

    Defence Line of Amsterdam: 'Sluipweg' is a work of art at the Fortress of Vijfhuizen.

    Fortress of Vijfhuizen is nowadays a centre for contemporary art, called Kunstfort.

    There are several art exhibitions inside the fortress, on the area around the fortress,

    several works of art can be admired.

  11. Defence Line of Amsterdam - Defence Line of Amsterdam: The Tower Fort on the Ossenmarkt (Ox Market) in Weesp is surrounded by a moat. The Defence Line of Amsterdam...

    Defence Line of Amsterdam: The Tower Fort on the Ossenmarkt (Ox Market) in Weesp is

    surrounded by a moat. The Defence Line of Amsterdam were built in the period 1883-1920.

    Amsterdam was protected by a network of 45 forts, batteries and waterworks, such as a 

    system of canals and sluices, dikes and inundations (temporary flooding) from the polders.

  12. Defence Line of Amsterdam - Defence Line of Amsterdam: The Tower Fort on the Ossenmarkt was built in 1861 as an extension of the fortifications of Weesp, the fortified...

    Defence Line of Amsterdam: The Tower Fort on the Ossenmarkt was built in 1861 as an

    extension of the fortifications of Weesp, the fortified town of Weesp was part of the New

    Dutch Water Line (Nieuwe Hollandse Waterlinie) and incorporated into the Defence Line

    of Amsterdam in 1892. The Tower Fort on the Ossenmarkt is accessible via bridge.

  13. Defence Line of Amsterdam - Defence Line of Amsterdam: An old wooden drawbridge across the River Vecht near the Defensive Tower on the Ossenmarkt (on the left) in...

    Defence Line of Amsterdam: An old wooden drawbridge across the River Vecht near the

    Defensive Tower on the Ossenmarkt (on the left) in Weesp. The Tower on the Ossenmarkt

    was built to protect both banks of the River Vecht. The fortified town of Weesp is located

    19 km southeast from the city centre of Amsterdam.

  14. Defence Line of Amsterdam - The Mice Fortress was one the fortresses of the New Dutch Water Line, it was built in the  1874-1877. The fort served to...

    The Mice Fortress was one the fortresses of the New Dutch Water Line, it was built in the

     1874-1877. The fort served to protect the entrance to the fortified town of Muiden. Later, 

    the fort was incorporated into the Defence Line of Amsterdam. It was mobilized during WWI

    and in 1940, just before WWII. Now, the Mice Fortress (Muizenfort) in Muiden is a museum.

  15. Defence Line of Amsterdam - Defence Line of Amsterdam: The Fort along Middenweg was completed in 1914. The Fort along Middenweg is located in the Beemster Polder, it is...

    Defence Line of Amsterdam: The Fort along Middenweg was completed in 1914.

    The Fort along Middenweg is located in the Beemster Polder, it is is privately owned and

    is closed to visitors. The fort is part of a nature reserve. The Defence Line of Amsterdam

    was the final line of defence for the capital city of the Kingdom of the Netherlands.

  16. Defence Line of Amsterdam - The Fort along Middenweg is part of the Defence Line of Amsterdam. The fort is located in the Beemster Polder. The northern stretch of...

    The Fort along Middenweg is part of the Defence Line of Amsterdam. The fort is located

    in the Beemster Polder. The northern stretch of the Defence Line of Amsterdam runs

    through the Beemster Polder. The Beemster Polder is also an UNESCO World Heritage.

    The Fort along Middenweg is part of a nature reserve and not open to visitors.