Kinjō Castle

三条城

Sanjō, Niigata

CastleFlatland castle (hirajiro)

A flatland castle in Sanjō, Niigata.

Basic information

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Type: Castle
Setting: Flatland castle (hirajiro)built on flat ground, defended by moatsWikipedia (ja)
Keep (tenshu): Not yet confirmedwhether a keep existed is still being checked
Main lords: Amakasu Kagemochi, Hori Naokiyo, Inagaki ShigetsunaWikipedia (ja)
Abandoned: 1642Wikipedia (ja)
Remains to see: GatesWikipedia (ja)

People of this castle

Rebuilt / expanded

Uesugi Kagekatsu

上杉景勝

1556–1623

Uesugi Kenshin's nephew and adopted son. He won the succession war after Kenshin's death (the Otate Rebellion), became master of Kasugayama Castle, and was transferred to Aizu by Toyotomi Hideyoshi in 1598.

Lord

Amakasu Kagemochi

甘粕長重

1501–1604

Lord

Hori Naokiyo

堀直清

1573–1641

Lord

Inagaki Shigetsuna

稲垣重綱

1583–1654

Rebuilt / expanded

Ichihashi Nagakatsu

市橋長勝

1557–1620

Castles nearby

Etchu Tenjinyama Castle14.8 km · Not yet confirmed

Yoita Jinya15.3 km · Not yet confirmed Motoyoita Castle15.4 km · Not yet confirmed Echigo Shimazaki Castle16 km · No keep recorded Sengoku Period Yoita Castle16.7 km · Not yet confirmed

Niitsu Castle17.4 km · Not yet confirmed

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Sources

1
Wikipedia「三条城」Wikipedia日本語版wikipediaChecked: 2026-10-03
2
Wikidata Q11355825WikidatawikidataChecked: 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

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