Helsluis, Historical lock in Dordrecht, Netherlands
The Helsluis features a lens-shaped chamber with sloping quay walls lined with basalt blocks and wooden structures for stabilization purposes at both ends.
Built in 1864, the lock serves as a main component of the Hel- and Zuilespolder complex, connecting the former Helpolder with the Polder Stededijk.
This Rijksmonument exemplifies Dutch water management engineering through its preserved manual operation systems and traditional construction methods.
The lock maintains water levels between the Nieuwe Merwede and Beneden Merwede rivers, with its gates and rolling bridge still operated through manual mechanisms.
A double water level gauge on site marks the water height during the significant flood of February 1953, which affected large parts of the Netherlands.
Location: Dordrecht
Part of: Sluiscomplex Hel- en Zuilespolder
Address: Merwelanden bij 33
GPS coordinates: 51.81072,4.78244
Latest update: March 3, 2025 18:07
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