Niwase Castle




This castle was originally considered to be part of the Natsukawa Castle, located only 300 metres away. Another name for Niwase Castle was Kouge Castle. It was constructed in a marshy area, so it was a difficult castle to build. Ukita’s retainer Togawa Michiyasu expanded the old castle and improved the surrounding castle town. From 1699 until the beginning of the Meiji Period, this castle was ruled by the Itakura Clan. Niwase Castle is a typical example of a Numajiro (沼城), a marshland castle. In 1793, Itakura Katsuyasu built Sugayama Shrine on the castle grounds. Some of the original ishigaki and moats can still be seen at this castle ruin. In the Okayama Prefectural Museum, there is a painting of the castle design.

Photos and profile by RaymondW.

Visit Notes

This castle ruin is about 5 minutes walk from JR Niwase Station. There isn’t much to see here except for some of the moats and the site of the former castle keep, which has been converted and is used as a site for a shrine.


Castle Profile
English Name Niwase Castle
Japanese Name 庭瀬城
Alternate Names Kouge-jo
Founder Togawa Michiyasu
Year Founded After 1600
Castle Type Flatland
Castle Condition Ruins only
Historical Period Edo Period
Features stone walls
Visitor Information
Access Niwase Sta. (San'yo Line, Hakubi Line); 5 min walk
Visitor Information Open year round
Time Required 20 minutes
Website area.php?id=68
Location Okayama City, Okayama Prefecture
Coordinates 34° 38' 34.76" N, 133° 50' 56.87" E
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Added to Jcastle 2013
Contributor RaymondW
Admin Year Visited Viewer Contributed

(3 votes)
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54 months ago
Score 1++
Many of the waterways surrounding this site were drained when I visited, reduced to a muddy trickle. It was quite interesting.