Naka Castle




Very little is known about the history of Naka Castle. It seems to have been around since the Kamakura Period (1185-1333) when it may have been a fortified home of Mashio Taro Tanenao. The fortifications you see here date to the Sengoku Period when it was an outer fortification of Koshigoe Castle.

The castle is basically one bailey surrounded by a large deep moat (trench) with an additional earthen embankment built up on the inside. The east side is split into two levels.

Visit Notes

Situated on a small hill close to the station this castle is easy to visit. For a small castle site with little known history it has been preserved surprisingly well. It's a good site to visit for those interested in the development of early castles.

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  • Castle entrance and yagura foundation
  • Entrance and trenches (dry moats)
  • Entrance seen from the inside
  • Earthen embankment
  • Earthen embankment
  • Earthen embankment
  • Dry moat
  • Bottom of the dry moat
  • Trench near the entrance
  • Bottom of a trench
  • Trench and earthen embankment
  • Trench and earthen embankment
  • Outer embankments
  • Trench and earthen embankment
  • Trench and earthen embankment
  • Center of the castle

Castle Profile
English Name Naka Castle
Japanese Name 中城
Alternate Names Mashio-shi Yakata, Mashioshi-jo, Mashio-jo
Year Founded Kamakura Period (1185-1333)
Castle Type Hilltop
Castle Condition Ruins only
Historical Period Pre Edo Period
Features trenches
Visitor Information
Access Ogawamachi Sta. (Tobu Tojo Line) walk 10 mins.
Visitor Information Park is open any time, but there is only one very small sign pointing out the castle.
Time Required 30 mins
Location Ago, Saitama Prefecture
Coordinates 36° 3' 21.42" N, 139° 15' 18.04" E
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Added to Jcastle 2015
Admin Year Visited 2015
Admin Visits Feb 14, 2015

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