Sukegawa Castle

助川海防城

Hitachi, Ibaraki

CastleMountain castle (yamajiro)

A mountain castle in Hitachi, Ibaraki. Records credit Tokugawa Nariaki with building it in 1836.

Basic information

View on map Open in Google Maps

Type: Castle
Setting: Mountain castle (yamajiro)built on a mountain; expect a climbWikipedia (ja)
Keep (tenshu): No keep recordedno keep is recordedWikipedia (ja)
Built by: Tokugawa NariakiWikipedia (ja)
Built: 1836Wikipedia (ja)
Main lords: Mogami clanWikipedia (ja)
Abandoned: 1864Wikipedia (ja)
Remains to see: Baileys / enclosures (kuruwa), GatesWikipedia (ja)

People of this castle

Built

Tokugawa Nariaki

徳川斉昭

1800–1860

The ninth lord of the Mito domain. As part of his domain reforms he founded Kodokan, a domain school, in the castle's third enclosure. He was the father of the last shogun, Tokugawa Yoshinobu.

Lord

Mogami clan

最上氏

Castles nearby

Ōda Castle11.8 km · No keep recorded Mazaka Castle14.3 km · No keep recorded Masaki Castle16.3 km · Not yet confirmed

Hitachi Matsuoka Castle17.5 km · Not yet confirmed Tarasaki Castle18.7 km · No keep recorded Uruno Castle20.1 km · No keep recorded

Visitor reviews

Be the first to review

Have you visited this castle? We'd love to hear from you.

Write a review

Sources

1
Wikipedia「助川海防城」Wikipedia日本語版wikipediaChecked: 2026-10-03
2
Wikidata Q97195545WikidatawikidataChecked: 2026-10-03

Listing status

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

Tell us if something has changed, looks wrong, or if you know of a photo we may use.

Suggest a correction or a photo