Oranjesluizen

The Oranjesluizen have formed the eastern barrier of the IJ since 1872 and are a crucial component of Amsterdam's water management and shipping traffic. Designed by Justus Dirks, the complex consists of three smaller locks for pleasure craft, one large inland lock added in 1995, two fish passages, and a freshwater inlet. From two control posts—north and south—the traffic of approximately 120,000 vessels is coordinated annually.

Construction began in 1865 and acquired royal symbolism when William III laid the foundation stone in 1870. Over the years, the complex grew along with increasing traffic, leading to renovations, modernization, and expansion. Between 1997 and 2000, the entire lock system was thoroughly renovated and adapted for recreational boating. To commemorate this renovation, a work of art by architect J. Driessen was installed on site, composed of original lock components and crowned with a copper fog bell—a tangible echo of over a century and a half of hydraulic engineering history.

During World War II, the locks were under direct German military supervision. The guardhouses at the locks had been confiscated by the Luftgaukommando Holland.

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Source

• Text: TracesofWar
• Photos: TracesofWar
• Amsterdams Archief, 5191 Archief van de Secretarie; Afdeling Onderwijs en rechtsvoorganger