Kamijima Castle (Ina)

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KoideKamijimajou (1).JPG


Kamijimajō was built on the tip of a river terrace facing the right bank of the Oguro River, facing Ina Oguro Castle on the north side across the Oguro River. The terrace is covered with housing, rice paddies and fields, and no remains of the castle remain. The date and builder of Kamijimajō is not known, but it is assumed to have belonged to a member of the Koide Clan, as it is located at the northern end of the Koide Clan's territory. Kamijimajō was the northern most fort in a network of fortifications protecting the Koide Clan's main base to the south. See Ina Koide Castle for more information.

Visit Notes

Of Kaimjimajō there isn't much to say. There is a stop on the Iida Rail called Shimojima ('Lower Island') so this is the upper part of that place, I guess? By the way, 'shima' doesn't really mean 'island', but something more abstract. There are no ruins here. The strategic advantage of the site on a bluff overlooking a river is fairly obvious though. Beyond the Oguro River is downtown Ina City. It's a grim place in my estimation, and I witnessed a single-vehicle car crash which I reported to the police (other people were assisting the driver). I got the train back to Matsumoto from Ina City Station via Okaya.

  • Bailey

Castle Profile
English Name Kamijima Castle (Ina)
Japanese Name 小出上島城
Alternate Names 小井弓上島城
Founder Koide Clan
Year Founded Medieval Era
Castle Type Hilltop
Castle Condition Ruins only
Historical Period Pre Edo Period
Visitor Information
Access Inashi Station on the Iida Line; 26 minute walk
Visitor Information 24/7 free; fields
Time Required 10 minutes
Location Ina, Nagano Prefecture
Coordinates 35° 49' 36.34" N, 137° 56' 46.25" E
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Added to Jcastle 2022
Contributor ART
Admin Year Visited Viewer Contributed
Friends of JCastle
Oshiro Tabi Nikki

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