Ouchi Dam, Rock-fill dam in Shimogo, Japan.
Ouchi Dam is a rock-fill dam in Shimogo that rises 102 meters high and spans 340 meters across the Fukushima landscape. It functions as an upper reservoir that helps produce hydroelectric power for the surrounding region.
Construction began in 1974 and was completed in 1991, representing an important step forward in the region's water management. The dam was built as part of efforts to improve power generation in central Japan.
The site sits near Ouchi-juku, where you can see traditional houses with thatched roofs and walk through villages that reflect the farming heritage of the surrounding area.
The site is about 20 kilometers from Aizu-Wakamatsu, with Yunokami Onsen station as the nearest railway access point. You can take in views from several accessible viewpoints along the dam and surrounding hillsides.
The dam is part of a pumped storage power station that moves water between two reservoirs to store and generate energy. This advanced system allows the facility to produce electricity at night when demand increases.
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