Tinghøj Vandreservoir, Water reservoir in Gladsaxe Municipality, Denmark
Tinghøj Vandreservoir is an underground water storage system in Gladsaxe with ten large tank structures and twenty access towers spread across two raised green plateaus. The entire site spans ten hectares and holds a combined capacity of 20,000 cubic meters of water.
This reservoir was built between 1931 and 1935 and marked a turning point in Danish engineering for Copenhagen's water management. It was one of the first major facilities of its kind, pioneering the use of large-scale concrete construction.
The access towers have round windows arranged to form star patterns, blending practical function with thoughtful design by architect Ib Lunding. This approach shows how industrial structures can also speak to those who notice the details around them.
The green plateaus invite walking and exploration, while the scattered access towers serve as landmarks to navigate by. Visitors should know that the underground sections are not open to the public, but the grounds themselves are freely accessible.
The structure features parabolic domes made from concrete, steel, and copper with distinctive transverse seams revealing the original casting process. These technical marks tell the story of how the construction was built layer by layer using the methods of that time.
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