Niiya Castle (Kouzuke)




Niiyajō was built as a twin castle with Asabajō by the Shirakura Clan. Collectively, both casles are sometimes called together as Shirakurajō. See Asaba Castle for more information.

Visit Notes

Initially I wasn't going to bother with Kōzuke-Niiyajō even though it's quite close to Asabajō, but I had just enough time to come back and visit after visiting other sites in the area which took my fancy. Niiyajō is, like Asabajō, on a frond of high elevation projecting into the plain below, but the site is used as farmland and the earthworks are sadly far too overgrown to even begin to explore. I guessed there may be karabori (dry moat) and dorui (earthen rampart) ruins, but these were too obscurred to positively identify.


Castle Profile
English Name Niiya Castle (Kouzuke)
Japanese Name 上野仁井屋城
Alternate Names 白倉仁井屋城
Founder Shirakura Clan
Year Founded 1469-1487
Castle Type Mountaintop
Castle Condition Ruins only
Historical Period Pre Edo Period
Artifacts Dorui, Hori
Features trenches
Visitor Information
Access Joushuu-Niiya Station on the Joushin Dentetsu Line; walk 20 minutes. Or, cycle from Joushuu-Fukushima Station on the same line where one can rent a free bicycle
Visitor Information Cultivated Hill; Access Limited
Time Required 20 minutes
Location Kanra, Gunma Prefecture
Coordinates 36° 14' 53.23" N, 138° 56' 52.12" E
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Added to Jcastle 2021
Contributor ART
Admin Year Visited Viewer Contributed

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