Tateyama Historical Park (Iwayado Castle Honmaru Ruins)

    The castle ruins of a powerful family that ruled this region since ancient times. It is said that Fujiwara Tsunekiyo and his son Kiyohira used it as a fortress in the late Heian period. In addition, an octagonal hall building, Nisei-in (Buddha statue preservation), was built as a facility to honor the achievements of the father and son Tsunekiyo and Kiyohira. You can enjoy the seasonal scenery with cherry blossoms, hydrangeas, and maple trees.


    Nisei-in is usually closed. Open twice a year (May and August).

    Location
    Iwayado, Esashi Ward, Oshu City, Iwate Prefecture 023-1101
    Inquiries
    Contact name: Oshu City Esashi General Branch History and Heritage Division Planning and Management Section

    Phone number: 0197-35-2111

    FAX number: 0197-35-7551
    Other
    Highlights: [Summer] Hydrangea July

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