Kanazawa fence

Japanese: 金沢柵 - かねざわのさく

An ancient castle fortress in Kanazawa, Yokote City, Akita Prefecture. It was the residence of the Kiyohara clan and was the site of a fierce battle during the Gosannen War (1083-87). It is said that an Emishi fortress had existed on the site of the Kanazawa Fortress from long ago, but it is said that the head of the family, Kiyohara Takenori, who was appointed Chinjufu Shogun for his achievements in defeating the Abe clan during the Zenkunen War ( 1051-62 ), and became the most powerful force in the two provinces of Ou and Dewa in place of the Abe clan, developed it into his residence. Later, an internal conflict within the Kiyohara clan (conflict between Kiyohara Sanehira and Kiyohira ) led to the Gosannen War (1083-87), which again invited the intervention of Minamoto no Yoshiie (Mutsu no Kami). With Yoshiie's mediation, the conflict between the two sides seemed to have been resolved, but it flared up again, and a battle between Kiyohara Kiyohira, Minamoto Yoshiie and Kiyohara Masahira took place. The allied forces of Kiyohira and Yoshiie attacked Masahira at Numa no Saku (Yokote City), but were defeated and fled due to insufficient preparations for winter warfare. Masahira then moved his base to Kanazawa Saku, which was said to be impregnable, and barricaded himself there with Kiyohara Takehira, the younger brother of Kiyohara Takesada. The allied forces attacked again in 1087 (Kanji 1), but were unable to take the castle, so they surrounded the saku and starved it out. As a result, Masahira and Takehira, who had run out of food, set fire to Kanazawa Saku and fled. Takehira and Masahira were captured, and the rebellion came to an end in December of the same year. After this battle, Kiyohara Kiyohira reverted to his father's (Fujiwara Tsunekiyo) surname and became the first of three generations of the glorious Oshu Fujiwara clan. There are various theories about the location of Kanazawasaku, one of which is that it was located on Hachimanyama in the city. Currently, the site is Kanazawa Park (historic park). Within the park, remains of castle grounds such as trenches and pillars remain, which are believed to be from Kanazawasaku. Currently, the location of Kanazawa Hachiman Shrine is considered to be Ninomaru, the hill to the right of Ninomaru is the site of Honmaru, the sumo ring behind the shrine is the site of Kitanomaru, and the flat area one level below the shrine (next to the current parking lot) is the site of Kanazawasaku's armory. The Gosannen no Yak Kanazawa Museum, run by Yokote City, is located within the park. It is about a 20-minute bus ride from JR Yokote Station on the Ou Main Line. ◇It is also called "Kanezawa no Ki," Peacock Castle, or Kanaarai Castle.

Source: Kodansha Encyclopedia of Japanese Castles Information

Japanese:

秋田県横手市金沢にあった古代の城柵。清原氏の居城で、後三年の役（1083～87年）の激戦地となった古戦場である。金沢柵のあった場所には古くから、蝦夷のチャシ（城砦）があったとされるが、前九年の役（1051～62年）での安倍氏討伐の功績から鎮守府将軍に任じられ、安倍氏に代わって奥羽・出羽2国随一の大勢力となった当主の清原武則(たけのり)が居城として整備したといわれる。その後、清原氏の内部対立（清原真衡(さねひら)と清衡(きよひら)の対立）をきっかけに後三年の役（1083～87年）が起こり、再び源義家(みなもとのよしいえ)（陸奥守）の介入を招いた。義家の調停により、両者の対立は解決したかに見えたが抗争は再燃、清原清衡・源義家と清原真衡の戦いとなった。清衡と義家の連合軍は沼柵(ぬまのさく)（横手市）の真衡を攻撃したが、冬季戦の用意が不十分だったため敗走した。その後、真衡は難攻不落といわれていた金沢柵に拠点を移し、清原武貞の弟の清原武衡とともに籠もった。連合軍は1087年（寛治1）、再びこれを攻めたが落城させることはできず、柵を包囲して兵糧攻めを行った。その結果、食糧の尽きた真衡と武衡は金沢柵に自ら火を放って敗走。武衡、真衡が捕らえられて、同年12月には乱は終息した。この戦いの後、清原清衡は、実父（藤原経清）の姓に戻し、栄華を極めた奥州藤原氏3代の初代となった。この金沢柵のあった場所については諸説あるが、同市の八幡山にあったとする説もその一つ。現在、その比定地が金沢公園（史跡公園）となっている。公園内には塹壕や柱などの城郭の遺構が残っており、これが金沢柵のものとされている。現在、金沢八幡神社がある場所が二の丸とされ、その右側の高台が本丸跡、神社の後ろにある相撲場は北の丸跡、神社を一段下がった平場（現在の駐車場の隣）が金沢柵の兵具倉跡とされている。なお、公園内には横手市が運営する後三年の役金沢資料館がある。JR奥羽本線横手駅からバス約20分。◇「かねさわのき」、孔雀(くじゃく)城、金洗(かねあらい)城とも呼ばれる。

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