Kannari Castle

神成城

Tomioka, Gunma

CastleMountain castle (yamajiro)

A mountain castle in Tomioka, Gunma.

Basic information

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Type: Castle
Setting: Mountain castle (yamajiro)built on a mountain; expect a climbWikipedia (ja)
Keep (tenshu): Not yet confirmedwhether a keep existed is still being checked
Main lords: Okudaira NobumasaWikipedia (ja)
Remains to see: Baileys / enclosures (kuruwa), Earthen ramparts, Trench cuts (horikiri)Wikipedia (ja)

People of this castle

Lord

Okudaira Nobumasa

奥平信昌

1555–1615

Lord of Nagashino Castle (then named Sadamasa). In 1575 he held the castle against Takeda Katsuyori's great army with 500 men. He later married Ieyasu's eldest daughter, Kamehime, and built Shinshiro Castle.

Castles nearby

Enokida Castle8.3 km · Not yet confirmed Matsuida Castle9.1 km · Not yet confirmed

Annaka Castle10.6 km · No keep recorded Takarome Castle17 km · No keep recorded Negoya Castle17.3 km · Not yet confirmed

Takasaki Castle17.4 km · Keep lost

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Sources

1
Wikipedia「神成城」Wikipedia日本語版wikipediaChecked: 2026-10-03

Listing status

Candidate foundChecked
Confirmed as a castle siteChecked
Basic informationChecked
In-depth articleUnder review
Photo rights checkedUnder review
Visit info checkedUnder review

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