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Sakuma Dam, Chubu

#1364 of 1,812 in Parks in Chubu
The Sakuma Dam is a dam on the Tenryū River, located on the border of Toyone, Kitashitara District, Aichi Prefecture on the island of Honshū, Japan. It is one of the tallest dams in Japan and supports a 350 MW hydroelectric power station. Nearby a frequency converter station is installed, allowing interchange of power between Japan's 50 Hz and 60 Hz AC networks.
The potential of the Tenryū River valley for hydroelectric power development was realized by the Meiji government at the start of the 20th century. The Tenryū River was characterized by a high volume of flow and a fast current. Its mountainous upper reaches and tributaries were areas of steep valleys and abundant rainfall, and were sparsely populated. However, the bulk of investment in hydroelectric power generation in the region was centered on the Ōi River, and it was not until the Taishō period that development began on the Tenryū River. Private entrepreneur Fukuzawa Momosuke founded the Tenryūgawa Electric Power, which later became Yasaku Hydroelectric before it was nationalized into the pre-war government monopoly Japan Electric Generation and Transmission Company in 1938. The first dam on the main stream of the Tenryu River, the Yasuoka Dam was completed in 1935. This was followed by the Iwakura Dam in 1938. The Hiraoka Dam was started in 1938, but completed until 1951 due to the start of World War II.
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Sakuma Dam Reviews
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TripAdvisor Traveler Rating 3.5
8 reviews
  • From Hamamatsu to tenryu River drive upwards. Is the mountain roads are in good condition and easy to run. Also like a museum nearby, beside the toilet.
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  • Station on the IIDA line came to visit. Chubu tenryu station took about an hour. Seems to tourists once the enormous dam is quiet now.
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