Iwakura Yakata (Mikawa)

History

For more information see: Mikawa-Iwakurajō.

Visit Notes

Iwakura-yakata is a yakata (fortified manor hall) ruin in Iwakura Township. It is built on a ridge terminus beneath the Iwakura castle-mount, and consists of a bailey with a large trench complex to the rear. The horikiri (trench) is impressive, and it is spanned by a dobashi (earthen bridge). Dorui (earthen ramparts) are heaped up on the inside of the trench. The bailey is on private property and a fence has been erected on the dorui. Whilst most dorui in the past would've had stockades and abbattis atop, it's not common to find dorui used to host a modern fence!

I accessed this site by descending from Iwakurajō down a strip of earth which had been left standing between what looked like landslides. It also appears that the mountainside here might've been used as a stone quarry. It seemed like there were some earthworks and flattened spaces just above the yakata, but they did not give a clear impression.

Gallery

Horikiri (trench)
Horikiri (trench)
Dorui embanked above horikiri
Bailey

Castle Profile
English Name	Iwakura Yakata (Mikawa)
Japanese Name	三河岩倉館
Alternate Names	Iwakurashironōra-yakata
Founder	Iwakura Hayatonosuke
Year Founded	Sengoku Period
Castle Type	Fortified Manor
Castle Condition	Ruins only
Historical Period	Pre Edo Period
Artifacts	Horikiri, Dobashi, Dorui, &c.
Features	trenches
Visitor Information
Access	Descend from Iwakura Castle Ruins. No entry from below.
Visitor Information	24/7 free; mountain
Time Required	30 minutes
Location	Toyota, Aichi Prefecture
Coordinates	35° 2' 54.35" N, 137° 11' 25.80" E
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Admin
Added to Jcastle	2024
Contributor	ART
Admin Year Visited	Viewer Contributed
Friends of JCastle
Umoreta Kojō

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