Isawa Castle was an early Heian period jōsaku-style Japanese castle located in what is now part of the city of Ōshū, Iwate in the Tōhoku region of far northern Honshu, Japan. The site was proclaimed a National National Historic Site in 1922.
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Oshu City Buried Cultural Property Research Center
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Find a cozy hotel nearby and make it a full experience.

Find a cozy hotel nearby and make it a full experience.
