Oh'ikemurayama Castle

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The ruins of Ôikemurayamajō are located in Yamagata-mura in Higashi-Chikuma-gun. Yamagata-mura is a village municipality made up of three villages which have existed from long before: Ôike, Osaka, and Takeda. Each of these villages had a corresponding castle, with Ôike's being the highest up. Given the elevation of the site and its small size, it is my guess that this fort was used principally as a look-out, commanding vast views of much of the plain. Its remoteness would make it easy to defend but of little value, except it is also next to Jigenzan-Kiyomizudera, an important local temple.

Visit Notes

There was very little to see of ruins at this site, Ôikemurayamajō. I identified the main bailey with a deformed lip at the rear which would've been a dorui, and is now sited with a hokora (mini-shrine), and beyond that a trench, now overgrown with young bamboo. It's possible that sub-baileys existed where a mountain road now runs.


Castle Profile
English Name Oh'ikemurayama Castle
Japanese Name 大池村山城
Year Founded
Castle Type Mountaintop
Castle Condition Ruins only
Historical Period Pre Edo Period
Features trenches
Visitor Information
Access Nearest Station is Hata Station on the Kamikouchi Line
Visitor Information 24/7 free; mountain
Time Required 30 minutes
Location Yamagata, Nagano Prefecture
Coordinates 36° 8' 42.18" N, 137° 50' 48.05" E
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Added to Jcastle 2020
Contributor ART
Admin Year Visited Viewer Contributed

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