Zapora Pilchowice, Stone dam in Lower Silesia, Poland.
The Zapora Pilchowice is a curved stone dam spanning the Bóbr River with a height of 69 meters and a crest measuring 270 meters across. Behind it lies a large reservoir that extends into the valley, created by water backed up against the structure.
Construction of the dam took place between 1902 and 1912, following designs by Professor Otto Intze and directed by engineer Alberto Cucchiero. The project represented a major milestone in bringing hydroelectric power to Lower Silesia.
The dam has shaped the Bóbr Valley landscape since the early 1900s and remains integral to how the region manages water and energy. Local communities depend on the reservoir for both practical needs and as a defining feature of their environment.
You can walk along the top of the structure for views across the reservoir and surrounding landscape. Coming early in the day is helpful, as the light is better for seeing the water and the valley below.
The dam represents one of the oldest arch dam designs still in operation today, having been in continuous service since its completion in 1912. Its method of fitting stone blocks together with concrete shows how engineers of that era solved major water engineering challenges.
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