Osaka Castle (Ibaraki)




It is thought that the Okami Clan of Okami Castle built Osaka Castle to defend against the Toki clan across the valley. Osaka Castle was the home of the Okami clan before moving to Ushiku Castle. The castle was abandoned in 1590 when the Hojo were defeated.

Visit Notes

This was a really fun site to visit. After the small, overgrown, mosquito infested Okami Castle, Osaka Castle was like heaven and made the long trek by bicycle well worth it. Osaka Castle has many trenches, earthen embankments and the overall structure and design of the castle is really well preserved. It could be a textbook Sengoku Period castle of the Kanto Region. I'm surprised it's not more well known. If only it were a little easier to go there by public transportation.

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  • Trench and baileys
  • Third Bailey and earthen bridge to the Second Bailey
  • entrance
  • First Bailey trench
  • Third Bailey trench
  • Third Bailey trench
  • Third Bailey outer trench
  • Earthen bridge to the Third Bailey
  • Third Bailey trench
  • Fourth Bailey
  • Double trench between the Second and Fourth Baileys
  • Trench and embankment
  • Third Bailey
  • Trench between the First and Second Baileys
  • Fourth Bailey and trenches
  • Fourth and Third Baileys
  • Outer trench of the Second Bailey
  • Second Bailey
  • Trenches
  • Second Bailey
  • View from the Second Bailey
  • First Bailey
  • First Bailey entrance
  • Third Bailey and embankment
  • First Bailey trench
  • Embankment and trenches of the First Bailey
  • Inside a trench of the First Bailey
  • First Bailey Outer embankment
  • First Bailey
  • Inside a trench of the First Bailey
  • Map

Castle Profile
English Name Osaka Castle (Ibaraki)
Japanese Name 小坂城
Founder Okami clan
Year Founded Nanboku-cho Period
Castle Type Hilltop
Castle Condition Ruins only
Historical Period Pre Edo Period
Features trenches
Visitor Information
Access Ushiku Station (Joban Line), 75 min walk or bus(?)
Visitor Information park, open any time
Time Required 75 mins
Location Ushiku, Ibaraki Prefecture
Coordinates 35° 57' 59.94" N, 140° 11' 53.45" E
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Added to Jcastle 2017
Admin Year Visited 2017
Admin Visits May 3, 2017

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