Kermeterstollen, Underground water tunnel at Heimbach power station, Germany
The Kermeterstollen extends 2.7 kilometers through the Kermeter ridge in North Rhine-Westphalia, connecting the Urft reservoir to the Heimbach power station.
German forces destroyed the tunnel's seals on February 10, 1945, causing the complete drainage of the Urft reservoir during World War II.
The tunnel represents early 20th-century engineering excellence in the Eifel region, demonstrating German industrial innovation and water management capabilities.
Engineers inspect the entire tunnel system every 20 years by draining the Urft reservoir, ensuring structural integrity and maintenance requirements.
The tunnel construction teams achieved remarkable precision, meeting underground with less than one meter of deviation despite the 220-meter rock coverage.
Location: Schleiden
Location: Heimbach
Inception: 1905
Part of: Heimbach power station
GPS coordinates: 50.62860,6.45194
Latest update: March 7, 2025 02:03
Heimbach power station
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