Langmann-Stausee, reservoir in Austria
The Langmann-Stausee is a small reservoir near Sankt Martin am Wöllmißberg in Austria, formed by a dam that holds back the Teigitsch river. The water is fed by several mountain streams and flows through a pressure tunnel more than five kilometers long to the nearby Arnstein power station.
The reservoir was built in the early 1920s to store water and generate electricity. The Arnstein power station was constructed at the same time and became one of Austria's oldest hydroelectric facilities, with workers using narrow gauge rail tracks and steep lifts to transport materials up the valley.
The reservoir's name traces back to the Langmann family who lived in this region. Today, visitors can observe how this structure has become woven into the local community's relationship with the landscape, serving as a gathering point for fishermen and those seeking quiet reflection.
The dam is about 85 meters long and 26 meters tall, with a walkway across its crest that offers views of the water and surrounding landscape. The terrain is flat and suitable for walking, though swimming and boating are prohibited, and since there are no facilities at the water's edge, bring your own refreshments and snacks.
The dam's crest was an engineering feat for its time, constructed under challenging conditions using hand carts and narrow gauge rail tracks. The entire water volume can be discharged in less than five hours if needed, demonstrating how the system was engineered to precisely manage power generation for the region.
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