Shingu Castle (Koka)




It is not known who built this castle but it was likely to be a branch family of Hattori. The main Hattori Castle is about 200 meters away. Shingu Castle is considerably well developed so it would have been an important castle and possibly one that helped to hide Rokkaku Yoshikata when he fled Nobunaga's forces. See The Castles of Koka for more details.

The main Bailey is approximately 25m x 30m with 4m high embankments. From the bottom of the trenches today to the top of the main Bailey embankment peaks at about 10m at its highest point. On the North and South sides of the castle are high embankments built outside the main bailey. The castle features terraced baileys along the trail to the main bailey and a kind of masugata square entrance built into the Second Bailey, which also connects directly to the entrance to the Main Bailey. This structure for the masugata indicates the castle was just the original main bailey. The masugata entrance was likely added in the Sengoku Period and then the Second Bailey and terraced baileys were subsequently built down the ridge side.

The opening in the north side of the main bailey that drops down the steep side (kirigishi) is likely from erosion or other latter man-made reason. The entrance looking location with Dobashi (earthen bridge) over the trench in the southwest side with a sign for the castle was also probably added later to make it easier to traverse the castle for other work in the mountains.

Visit Notes

Shingu Castle is paired with nearby Shingushi Castle and is one of the largest and best of the Koka Castles. It was designated a National Historic Site in 2008 as part of the "National Historic Sites of the Kokagunchuso".

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Castle Profile
English Name Shingu Castle (Koka)
Japanese Name 新宮城
Founder Hattori? / unknown
Year Founded Muromachi Period (1336-1573)
Castle Type Hilltop
Castle Condition Ruins only
Designations National Historic Site
Historical Period Pre Edo Period
Features trenches
Visitor Information
Access Konan Sta. (JR Kusatsu Line); 35 min walk
Visitor Information park, open any time
Time Required 60 mins
Location Koka, Shiga Prefecture
Coordinates 34° 55' 3.79" N, 136° 9' 43.81" E
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Collections Koka Castles
Added to Jcastle 2022
Contributor Eric
Admin Year Visited 2022
Admin Visits February 11, 2022
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