| Overview
The Tsukabaru Dam is a concrete gravity hydro electric dam on the Mimi River, Japan. At completion in 1938, Tsukabaru was the highest gravity type dam in Japan, standing at 87m high. It was also the first completed using mechanical technology.
The dam design has received acclaim and recognition, with patterned bridge
railing situated at the top of the dam reminiscent of the Great Wall of China and turrets at both ends similar medieval European Castles. The dam structure was nominated for Early-Modern Civil Engineering heritage status in 2001.
Tsukabaru Dam has a total storage capacity of 34,326×103 m3. Upstream of the dam, the river basin is more than 95% mountain forests and wilderness, with cultivated land amounting to less than 1% of the catchment area.
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