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Midai River Embankments
The was a system of flood control levees constructed by the Sengoku period warlord Takeda Shingen to protect the central Kōfu Basin in the Chūbu region of Japan. These levees were located in what is now the cities of Nirasaki and Minami-Alps in Yamanashi Prefecture. The remnants were designated a National Historic Site of Japan in 2003, with the area under designation expanded in 2009. Overview The Midai River is an 18.6 kilometer long tributary of the Kamanashi River which originates in the Southern Alps. It was subject to flash flooding due to snow melt off in spring and typhoons in summer and autumn. Massively flooding had been known to occur since ancient times, and even the name of the Midai River (御勅使川) comes from the fact that an Imperial envoy was sent to the area in 825 AD to investigate a flood disaster. The warlord of Kai Province, Takeda Shingen, considered that control of the river was essential for his clan to prosper and to control the province, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nirasaki, Yamanashi
is a city in Yamanashi Prefecture, Japan. , the city had an estimated population of 29,483 in 12662 households, and a population density of 210 persons per km². The total area is . Geography Nirasaki is located in the northwestern end of the Kofu Basin in Yamanashi Prefecture, bordered to the east by the Minami Alps National Park and the west by the Minami Alps Koma Prefectural Natural Park. Surrounding municipalities Yamanashi Prefecture * Hokuto * Minami-Alps * Kai Climate The city has a climate characterized by characterized by hot and humid summers, and relatively mild winters (Köppen climate classification ''Cfa''). The average annual temperature in Nirasaki is 13/0 °C. The average annual rainfall is 1278 mm with September as the wettest month. Demographics Per Japanese census data, the population of Nirasaki has remained relatively steady in recent decades. History The area around present-day Nirasaki was the ancestral homeland of the Takeda clan, w ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
