Oniba Castle

There is a nature trail leading all the way from Ueharajō to Onibajō, making for a pleasant stroll between the two sites. Onibajō is a small site consisting of trenches, embankments and bailey ruins. One can enter from either the main road up a long stairway, or from the top of a residential area ca

History

The origins of Onibajō are not clear, which is a shame because it has a cool name ("Demon Place"), but it was controlled by a branch of the Suwa Clan called the Amagasaki in the Sengoku Period. In the middle 16th century Onibajō was subjugated by Takeda Shingen.

Field Notes

There is a nature trail leading all the way from Ueharajō to Onibajō, making for a pleasant stroll between the two sites. Onibajō is a small site consisting of trenches, embankments and bailey ruins. One can enter from either the main road up a long stairway, or from the top of a residential area called Jōyama. Dorui (embankments) surround the shukuruwa (main bailey), and reach across the mountain ridge where one might otherwise expect to see more trenches. A large trench splits the castle roughly in two. The ninokuruwa (second bailey) is now the site of a pylon. Obi-kuruwa (ring baileys) wrap around the first and second enclosures. A third bailey sits between ramparts of piled earth, and has terraced sub-baileys below on either side.

Gallery

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Castle Profile
English Name	Oniba Castle
Japanese Name	鬼場城
Founder	Suwa-Amagasaki Clan
Year Founded	Sengoku Period
Castle Type	Mountaintop
Castle Condition	Ruins only
Historical Period	Pre Edo Period
Features	trenches
Visitor Information
Access	Chino Station on the Chuo East Line; walk 35 minutes
Hours	24/7 free
Time Required	45 minutes
Location	Chino, Nagano Prefecture
Coordinates	36.00481, 138.17323
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Admin
Added to Jcastle	2020
Contributor	ART
Admin Year Visited	Viewer Contributed

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