山上城／アクセス・場所・地図北条氏康の攻撃で落城した山上道及の居城山上城【お城特集日本の歴史】

Yamagami Castle[Castle feature Japanese history]

[Castle name]
Yamagami Castle
The castle of Yamagami Michiro, Yamagami Castle which was destroyed by Houjou Ujiyasu’s attack.

[Description]
Yamagami Castle is Hirayama Castle which was in Nisato Town district, Kiryu city, Gunma Prefecture.
It is supposed that “Yamagami Takatsuna”, a descendant of Fujiwara Hidesato, built it in the Kamakura period.

Muromachi Era, Yura became a division of Uesugi Yamanouki Kanto administration and Kiryu played an important role. However, in the Sengoku Period, Uesugi Kenshin and Shingen Takeda in addition with Hojo will be in a conflict zone to fight.

When Uesugi Kenshin enters the Kanto region, Yamagami castle falls away, plus Hojo attacks again continued when Kenshin got away. Koji’s first year (1555), Yamagami castle fell castle under the attack of “Hojo Masayasu”. The castle owner “Michihiro Yamagami” went down to Sa country “Sano Yasutsuna”.

After that there was intense confrontation over Yamagami Castle between Uesugi Kenshin and Hojo, but it seems that there were times when it became the castle of Yurakuni Shige of Kanayama Castle for a while. Tensho 18th year (1590), when Toyotomi Hideyoshi raised the army for Hojo conquest, And Hojo got destroyed, at this time it is thought that Yamagami Castle was also abandoned.

In addition, Wataru Yamagami will serve “Toyotomi Hideyoshi” if internal conflict occurs in Sano, but after the death of Hideyoshi there is a description fought under Uesugi Scenic spot. Currently the Yamagami Castle Ruins are maintained as “Yamagami Castle Ruins Park”, and the remains of the tracks such as the tracks of the circle, the squirrels, the tower, and the base are left.