Tanaka Tadamasa Yashiki

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Tanaka-yashiki was the fortified residence of Tanaka Tadamasa. The yashiki was roughly square in its layout and surrounded by dorui (earthen ramparts) measuring about 70m on each side. Tanaka Tadamasa had originally served Tokugawa Ieyasu after the fall of the Takeda in 1582, but it is said he later became a rōnin and established his residence here, thus the Tanaka-yashiki in Kokubu, Yatsushiro County, is also called the 'Kokubu no Rōnin Yashiki'. It's little appreciated that in the Edo period there were countrified samurai without masters in their own small estates; the Tokugawa grip on power was never really so secure it seems.

Visit Notes

One of many yashiki sites under the name 'Tanaka' in Kai, the Tanaka-yashiki in Yatsushiro County features remnants of dorui (earthen ramparts), though they are largely obscurred by flora. Actually what was most interesting about visiting this site was that it is right next door (and probably overlapping) to the ruins of the Kai-Kokubunji, which now form a history park with ruins of temple halls and gardens. The park is mostly meadow pockmarked with foundation stones and explanatory boards, though during my visit most of it needed to be trimmed back. There is a (proto?) modern Kai-Kokubunji nearby; from below it looks like a modernist castle with ramparts and a strange moat. It also has nice architecture and gardens.

  • Site of Kokubunji
  • Site of dorui

Castle Profile
English Name Tanaka Tadamasa Yashiki
Japanese Name 田中忠正屋敷
Alternate Names 八代田中屋敷・田中八左衛門屋敷・国分之浪人屋敷
Founder Tanaka Tadamasa
Year Founded Late Sengoku Period; Edo Period
Castle Type Fortified Manor
Castle Condition Ruins only
Historical Period Edo Period
Artifacts Dorui
Visitor Information
Access No access by plublic transport (I cycled)
Visitor Information 24/7 free; fields
Time Required 20 minutes
Location Fuefuki, Yamanashi Prefecture
Coordinates 35° 38' 15.94" N, 138° 40' 52.03" E
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Added to Jcastle 2022
Contributor ART
Admin Year Visited Viewer Contributed
Friends of JCastle
Oshiro Tabi Nikki

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