Nechi Castle

根知城

Itoigawa, Niigata

CastleMountain castle (yamajiro)

A mountain castle in Itoigawa, Niigata. It is said to have been built by Uesugi Kenshin.

Basic information

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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: Uesugi KenshinWikipedia (ja)
Main lords: Nishina Morinobu, Murakami YoshikiyoWikipedia (ja)
Abandoned: 1599Wikipedia (ja)
Remains to see: Baileys / enclosures (kuruwa), Trench cuts (horikiri), Earthen ramparts, Stone wallsWikipedia (ja)

People of this castle

Lord

Nishina Morinobu

仁科盛信

?–1582

The fifth son of Takeda Shingen and the last Takeda commander of Takato Castle. In 1582 he held the castle against a huge army under Oda Nobutada and died in the fighting.

Built

Uesugi Kenshin

上杉謙信

1530–1578

A Sengoku-period warlord who ruled Echigo (today's Niigata Prefecture). He made Kasugayama Castle his home and led campaigns into Hokuriku, the Kanto region and Shinano. He was born Nagao Kagetora.

Lord

Murakami Yoshikiyo

村上義清

1501–1573

Castles nearby

Matsuyama Castle8.6 km · Not yet confirmed Kubiki Katsuyama Castle11.1 km · Not yet confirmed

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Sources

1
Wikipedia「根知城」Wikipedia日本語版wikipediaChecked: 2026-10-03
2
Wikidata Q11536468WikidatawikidataChecked: 2026-10-03

Listing status

Candidate foundChecked
Confirmed as a castle siteChecked
Basic informationChecked
In-depth articleUnder review
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