Iwafune fence - Iwafune no ki

An ancient castle fortress located in Murakame City, Niigata Prefecture. In response to Nutarinoki, which was established the previous year, it was established in 648 (Taika 4) as a development and management base for the Hokuetsu region. It is thought to have been located near the old Iwafunegata in the Iwafune area of ​​Murakame City. With the Miomote River as the border, it is recognized that it also played a role as a defense base against the Emishi and Iteki in the northern mountainous region, and the role of this fortress was important until the north was pacified. There are records of repairs made in 698 (Emperor Mommu 2) and 700 under the name "Iwafune Fortress". There is also Iwafune Shrine, a shrine listed in the Engishiki, which is thought to have been located nearby. In 1957 (Showa 32), remains believed to be the relevant site were excavated.

[Naokichi Niino]

Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend

新潟県村上市地内にあった古代城柵(じょうさく)。前年設置の渟足柵(ぬたりのき)と呼応し、北越地方の開拓経営基地として、648年（大化4）に設置された。村上市岩船地区の旧岩船潟近くにあったと考えられる。三面(みおもて)川を境界として、その北部山地の蝦夷(えみし)、夷狄(いてき)に対する防衛基地としての役割も担っていたと認められ、北部が平穏化するまでこの柵の任務は重要で、698年（文武天皇2）と700年にも、「石船柵」の表記で修理の加えられた記録がある。近くに鎮座していたものと考えられる式内社の石船(いわふね)神社もある。1957年（昭和32）に該当遺跡と目される遺構が発掘調査された。

［新野直吉］

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