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Mizuki Castle

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Mizuki Castle
水城跡
Ōnojō, Fukuoka, Japan
Mizuki Castle ruins
TypeKorean-style fortress
Site information
ConditionRuins
Site history
Builtc.660s
Built byYamato court
In useAsuka period
Mizuki Castle is located in Fukuoka Prefecture
Mizuki Castle
Buzen Kokufu
Buzen Kokufu
Dazaifu
Dazaifu
Asakura Palace?
Asakura Palace?
Mizuki Castle
Mizuki Castle
Mizuki Castle
Mizuki Castle
Mizuki Castle
Mizuki Castle
Mizuki Castle
Mizuki Castle
Mizuki Castle
Mizuki Castle
Chikugo Kokufu
Chikugo Kokufu
Mizuki
Mizuki
Mizuki Castle (Fukuoka Prefecture)
Mizuki Castle is located in Japan
Mizuki Castle
Buzen Kokufu
Buzen Kokufu
Dazaifu
Dazaifu
Asakura Palace?
Asakura Palace?
Mizuki Castle
Mizuki Castle
Mizuki Castle
Mizuki Castle
Mizuki Castle
Mizuki Castle
Mizuki Castle
Mizuki Castle
Mizuki Castle
Mizuki Castle
Chikugo Kokufu
Chikugo Kokufu
Mizuki
Mizuki
Mizuki Castle (Japan)
Map

Mizuki Castle (水城跡, Mizuki-jō ato) was an ancient castle (also known as a Korean-style fortresses in Japan (朝鮮式山城, Chōsen-shiki yamajiro) straddling the border of the cities of Ōnojō, Dazaifu, and Kasuga, Fukuoka Prefecture Japan. Its ruins have been protected as a National Historic Site since 1921, and raised to a Special National Historic Site since 1953 with the area under protection expanded in 2013.[1]

History

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After the defeat of the combined Baekje and Yamato Japan forces, at the hands of the Silla and Tang China alliance at the Battle of Hakusukinoe in 663, the Yamato court feared an invasion from either or both Tang or Silla. In response, a huge network of shore fortifications was constructed throughout the rest of the 600s, often with the assistance of Baekje engineers, generals and artisans. Unaware of the outbreak of the Silla-Tang War (670–676), the Japanese would continue to build fortifications until 701, even after finding out that Silla was no longer friendly with Tang.[2] The name "kōgoishi" means "stones of divine protection," a name given them by the Meiji period archaeologist Tsuboi Shōgorō, who conjectured that they served as spiritual or practical protection for sacred sites. Scholars after Tsuboi determined that the structures are most likely the remains of practical, military fortifications, and were unlikely to have significant spiritual connections, although much remains unknown about these structures and there is very little contemporary documentary evidence.Construction of Mizuki Castle began in 664 by order of Emperor Tenchi,[3] although in the Nihon Shoki it is described only "a large embankment in Tsukushi Province to store water".

Mizuki Castle was built to close the narrowest constriction between Ōno Castle and the Ushikubi Plateau to the west. It is a two-tiered earthwork with a total length of approximately 1.2 kilometers, a height of nine meters, a width of approximately 80 meters at the base, and a width of approximately 25 meters at the top, with east and west gates on both ends. The eastern gate was reserved for welcoming high-ranking officials sent from the Imperial Court, while the western gate was for foreign envoys, merchants and departing Japanese envoys. The wooden gutter across the base of the earthwork is 79.5 meters long, 1.2 meters wide, and 0.8 meters high. On the Hakata side of the earthworks, an outer moat approximately 60 meters wide and four meters deep exists five meters below the current paddy field surface. The fortification was built on the soft ground of alluvial land with the Mikasa River flowing north through the center. It was constructed using the "shikisoda" construction method, which strengthens the foundation by mixing a large amount of branches and leaves into the lowest layer of the earthwork. Furthermore, the upper layer of the earthwork is of rammed earth, made of piled earth of different soil types, and compacted in units of about ten centimeters. The road through the castle was the main route for connecting the government center at Dazaifu and Hakata Port, until the latter half of the 8th century, and would be the route travelled by foreign emissaries. [4]

To the west of Mizuki, there are the remains of several small-scale earthworks that forma ring of outer fortifications. These are collectively known as the Shomizuki (small Mizuki): Kamidai-Komizu Castle has an earthwork of about 80 meters in length, Odoi-Komizu Castle has an earthwork of about 100 meters in length, and Tenjinyama Komizuki Castle has an earthwork of about 80 meters in length. Also, in neighboring Kiyama, are the Sekiya earthwork ruins and the Toregi earthwork ruins.

Archaeological excavations of the site include an investigation of the cross section of the earthworks in 1913, and the wood gutter in 1930, but a full-scale excavation only began from 1970, and is still ongoing. In 1975 the outer moat on the Hakata side of the fortification was discovered, and in 1978, Haji ware pottery with ink writing and the inscription "Mizuki" dating from the late 8th century was unearthed. From 2013 to 2014, the Fukuoka Prefectural Board of Education conducted a resurvey of the earthwork cross section. Mizuki Castle was listed as one of the Continued Top 100 Japanese Castles in 2017.[5]

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The present site has a motorway running through it. There is nothing left of the Daifaru regional headquarters, except for an empty field. On site is a small museum, with information in English and Japanese. There is a model of Mizuki Castle in the nearby Kyushu National Museum.[6]

The site is approximately a 25-minute walk from Tofurōmae Station on the Nishitetsu Tenjin Ōmuta Line . [4]

See also

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References

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  1. ^ "水城跡". Cultural Heritage Online (in Japanese). Agency for Cultural Affairs. Retrieved 15 September 2023.
  2. ^ Turnbull, S.; Dennis, P. (2008). Japanese Castles AD 250--1540. Osprey. p. 26. ISBN 9781846032530. Retrieved 2015-06-20.
  3. ^ The Japan Magazine: A Representative Monthly of Things Japanese, Volume 11 p 185
  4. ^ a b Isomura, Yukio; Sakai, Hideya (2012). (国指定史跡事典) National Historic Site Encyclopedia. 学生社. ISBN 4311750404.(in Japanese)
  5. ^ "続日本100名城" (in Japanese). 日本城郭協会. Retrieved 25 July 2019.
  6. ^ Turnbull, Stephen "Japanese Castles AD 250–1540" Osprey Publishing

Literature

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  • De Lange, William (2021). An Encyclopedia of Japanese Castles. Groningen: Toyo Press. pp. 600 pages. ISBN 978-9492722300.
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Media related to Mizuki Ruins at Wikimedia Commons