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Castle Kozukue Castle

This article is in the series Walking the Japanese Castles
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The remains of Kozukue Castle (小机城 Kozukue-jō) are located in present-day Kōhoku Ward, Yokohama. The castle was thought to be built by the Uesugi clan during the Eikyō Rebellion (永享の乱 Eikyō-no-ran) in 1438/39. The Uesugi were a powerful samurai family that descended from the Fujiwara, and that was most influential during the Muromachi and the Sengoku periods, holding the positions of shugo (守護, provincial governors) and Kantō kanrei (関東管領, deputies of the shōgun in the Kantō region) until 1552.

Later, in 1478, the castle re-entered the spotlight of history when Nagao Kageharu (長尾景春, 1443-1514), a vassal of the Yamanouchi Uesugi clan, rebelled against his lord in what is known as the Kyōtoku Incident (享徳の乱, Kyōtoku-no-ran), a series of skirmishes between the Ashikaga and the Uesugi. The Toshima clan who sided with Kageharu held the castle but were eventually defeated by Kageharu's arch-rival Ōta Dōkan (太田道灌, 1432-1486). Although suppressed, Kageharu's rebellion contributed to the weakening of the Uesugi and paved the way for Hōjō Sōun(北条早雲) to establish hegemony in the Kantō region. The abandoned Kozukue Castle was taken over by the Hōjō in 1524 and played an essential role as a strategic point of military and economic interest until Tokugawa Ieyasu entered Edo.

I set out to the site of the former castle from Kozukue Station. The castle hill was well visible from afar. Kozukue Castle was located at the tip of a tongue-shaped plateau facing Tsurumi River to the north.

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This map is based on Tokyo Terrain Map powered by Gridscapes.net.

It took more than ten minutes to reach the entrance of the castle. The area is now designated the "Kozukue Castle Citizens' Forest" (小机城址市民の森).

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The bamboo forest on the hill where Kozuke Castle was situated was very scenic.

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The inner bailey (本丸 Honmaru) and the second enclosure (二の丸 Ni-no-maru), as well as earthworks and dry moats around the castle grounds, are well preserved.

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There was a large open space at the location of the former second enclosure.

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A picture of the inner bailey, where boys were playing baseball.

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It was disappointing to see that Daisan-Keihin Expressway runs right through the site of the former castle.

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Most certainly none of the drivers was aware that they were cutting through a Sengoku-era castle site and a former battlefield.

Passing under the expressway, I turned west. There were some more remains to be explored.

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The view of former Kozukue Castle.

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Date of visit: 26 May 2013

Access:

  • Address: 789 Kozukuecho, Kohoku Ward, Yokohama, Kanagawa 222-0036
  • Transportation: 12 minutes from JR Yokohama line Kozukue station on foot

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Next article in the series 'Walking the Japanese Castles': Masugata Castle
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Hiroto Uehara
Hiroto is an ordinary Japanese office worker, but his true mission is searching for castles on the weekend.

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Series table of contents

Iwatsuki Castle Shakujii Castle Oda Castle Tsuchiura Castle Miharu Castle Inohana Castle Setagaya Castle Konodai Castle Usui Castle Sakura Castle Kozukue Castle Masugata Castle Koga Castle Tenjinyama Castle Ogura Castle Sugaya Castle Sugiyama Castle Kogane Castle Kokokuji Castle Nagahama Castle (Izu) Nirayama Castle Hachigata Castle Futagamiyama Castle Edo Castle Kawahara Castle Kageishi Castle Wakasa-Onigajo Castle Tenjinyama Castle (Tottori) Tsuzurao Castle Ueshi Castle Jindaiji Castle Kururi Castle Mariyatsu Castle Narukami Castle Ryozen Castle Kori-Nishiyama Castle Tsutsujigasaki Residence Yogai Castle Kofu Castle Iwadono Castle Hachioji Castle Takiyama Castle Suemori Castle Nagoya Castle Inuyama Castle Kiyosu Castle Tatebayashi Castle Sano Castle Karasawayama Castle Ueda Castle Sanada Residence Sanada Honjo Toishi Castle Katsurao Castle Uchiyama Castle Hiraga Clan Castle Taguchi Castle Tatsuoka Castle Komoro Castle Matsushiro Castle Kajiki Castle Kakuto Castle Hitoyoshi Castle Ichiuji Castle Izaku Castle Chiran Castle Kiyoshiki Castle Kamo Castle Miyakono Castle Obi Castle Shibushi Castle Koyama Castle Mukasa Castle Sadowara Castle Tonokoori Castle Taka Castle Nerima Castle Kawagoe Castle Ashikaga Residence Koizumi Castle Kanayama Castle Shinagawa Battery (Odaiba) Tamba Kameyama Castle Yagi Castle Sonobe Castle Fushimi Castle Yodo Castle Shoryuji Castle Yamazaki Castle Tsukui Castle Katakura Castle Hirayama Castle Site Park Yamanaka Castle Sanuki Castle Sunpu Castle Koyama Castle (Shizuoka) Ryugenzan Castle Sagara Castle Tanaka Castle (Shizuoka) Ishiwaki Castle Hanazawa Castle Mochifune Castle Moriyama Castle (Aichi) Obata Castle (Aichi) Ryusenji Castle Gakuden Castle Komakiyama Castle Iwakura Castle (Aichi) Kano Castle Gifu Castle Kitagata Castle Sone Castle Ōgaki Castle Ōtaki Castle Obata Castle (Ibaraki) Mito Castle Kasama Castle Tanagura Castle Akadate Castle Inawashiro Castle Aizu-Wakamatsu Castle Mukai-Haguroyama Castle

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