Hirai Yashiki (Kai)

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KaiHiraiYashiki (5).JPG


The Hirai-yashiki was the medieval fortified residence of the Hirai Clan. The Hirai Clan was founded by Hirai Kiyotaka, the son of Minamoto Kiyomitsu. In the Sengoku period the Hirai Clan were vassals of the Takeda Clan, hegemonic rulers of Kai Province. Although it is not known when the Hirai built their yashiki here, it is estimated to have had an area of about 10,000m² (100m by 100m on each side) in a basic square formation.

Visit Notes

I visited the site of Hirai-yashiki as part of a bike ride around Yamanashi Prefecture; it was the first site I visited that day. Unfortunately there are no ruins of the yashiki (medieval residence), and the site is now a small village and vineyards. Whilst poking around, however, I realised I was being watched...

  • I was being watched!
  • Site of yashiki and storehouse next to field.
  • Orchard on site of yashiki

Castle Profile
English Name Hirai Yashiki (Kai)
Japanese Name 甲斐平井屋敷
Founder Hirai Clan
Year Founded Unknown
Castle Type Fortified Manor
Castle Condition Ruins only
Historical Period Pre Edo Period
Visitor Information
Access Nearest station is Isawa-Onsen Station on the Chūō Main Line
Visitor Information 24/7 free; fields
Time Required 10 minutes
Location Fuefuki, Yamanashi Prefecture
Coordinates 35° 38' 57.44" N, 138° 39' 23.04" 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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