Aratoshou Castle


Aratoshoujou (3).JPG


Aratoshōjō was built as a satellite fortification of Aratojō (Arato Castle); it means "Arato Lesser Castle".

Visit Notes

Aratoshōjō is a single bailey fort and fortified annex of Aratojō. The main bailey is twenty metres at its widest and fifty metres long. It’s most prominent remains consist of a row of dorui (earthen ramparts) along the northern perimetre of the bailey. It’s quite remarkable that such dorui remains relatively thick and tall here. There is no dorui on the south side. Perhaps it would’ve been more important to protect the north since that faced away from the Yamada Clan’s territory, but I also note that a modern forestry road runs beneath this bailey on the south side, and so it may be that part of the bailey was demolished to construct the road.

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  • Dorui

Castle Profile
English Name Aratoshou Castle
Japanese Name 荒砥小城
Founder Yamada Clan
Year Founded 1524
Castle Type Mountaintop
Castle Condition Ruins only
Historical Period Pre Edo Period
Artifacts Dorui, Kuruwa
Features trenches
Visitor Information
Access Togura Station on the Shinano Railway; 10 minute drive or 60 minute walk to Arato Castle (parking available); trail starts on the ridge behind Arato Castle
Visitor Information 24/7 free; mountain
Time Required 20 minutes
Location Chikuma, Nagano Prefecture
Coordinates 36° 28' 46.74" N, 138° 8' 4.09" E
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Added to Jcastle 2021
Contributor ART
Admin Year Visited Viewer Contributed

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