Takayasu Castle

Japanese: 高安城 - たかやすじょう

Takayasuyama (488m) is an ancient mountain castle built at the southern end of the Ikoma mountain range, which forms the border between Yamato and Kawachi. The castle area is estimated to straddle the current towns of Heguri and Misato in Nara Prefecture and Yao City in Osaka Prefecture. It was one of the castles built in Western Japan after the defeat at the Battle of Hakusukinoe, and the entry for November 667 (the 6th year of the reign of Emperor Tenchi) in the Nihon Shoki states that it was built along with Yashima Castle in Sanuki and Kanata Castle in Tsushima. However, the article on the repair of Takayasu Castle in the 2nd year of the reign of Emperor Mommu (698) in the Shoku Nihongi states that it was built in 666, which is a one-year discrepancy. In 701, it was decided to abandon the castle, and in 712, the Takayasu beacon that had been installed nearby was also abolished. During this time, during the Jinshin Rebellion in 672, Prince Oama's forces attacked Takayasu Castle, which was defended by the Omi Imperial Court, and the Omi forces burned the tax storehouse and fled. The two books above show that the castle was repaired several times, and Empress Jito even visited the castle. In August 712, after the castle was abandoned, Emperor Genmei also visited the castle, and there are various theories on how to interpret this article. For a long time after the castle was abandoned, the location of the castle was unknown, but in 1978, the foundation stones for six warehouses were discovered in the mountains of Heguri Town, and excavations conducted in 1982-1983 confirmed that they were the remains of warehouses from Takayasu Castle.
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Source : Heibonsha Encyclopedia About MyPedia Information

Japanese:

大和と河内(かわち)の境をなす生駒(いこま)山地の南端にある高安山（488m）に築かれた古代の山城。城域は現奈良県平群(へぐり)町・三郷(さんごう)町と大阪府八尾市にまたがると推定されている。白村江(はくそんこう)の戦で敗れた後，西日本に造られた城の一つで，《日本書紀》天智天皇６年（667年）11月条に讃岐の屋島(やしま)城，対馬(つしま)の金田(かなた)城とともに築城したとある。ただし《続日本紀》文武天皇２年（698年）の高安城修理記事中には666年の築城とあって１年のずれがある。701年廃城が決定され，712年には近くに設置されていた高安烽も廃止された。この間，672年の壬申(じんしん)の乱の際には，近江朝廷軍が守備する高安城を大海人(おおあま)皇子軍が攻め，近江軍は税倉を焼いて逃げている。何度か修理されたことが上記の両書にみえ，持統天皇が行幸(ぎょうこう)することもあった。なお廃城後の712年８月に元明天皇が行幸しており，この記事をどうみるか諸説がある。廃城後長く城の所在地は不明であったが，1978年平群町の山中で倉庫跡礎石６棟分が発見され，1982年−1983年の発掘調査により高安城の倉庫跡であることが確認された。
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