Tateyama Castle

館山城

Yonezawa, Yamagata

CastleHilltop castle (hirayamajiro)

A hilltop castle in Yonezawa, Yamagata. It is said to have been built by Date clan, Uesugi clan.

Basic information

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Type: Castle
Setting: Hilltop castle (hirayamajiro)built on a low hill rising from the plainWikipedia (ja)
Keep (tenshu): No keep recordedno keep is recordedWikipedia (ja)
Built by: Date clan, Uesugi clanWikipedia (ja)
Main lords: Date Masamune, Date TerumuneWikipedia (ja)
Remains to see: Earthen ramparts, Trench cuts (horikiri), Baileys / enclosures (kuruwa), Vertical moats (tatebori), Fortified gateways (koguchi), Stone walls, WellsWikipedia (ja)

People of this castle

Lord

Date Masamune

伊達政宗

1567–1636

A warlord of northeastern Japan and the first lord of the Sendai domain. Right after the Battle of Sekigahara he renamed the area from Chiyo to Sendai, built Sendai Castle on Aobayama hill, and laid out the castle town.

Built

Date clan

伊達氏

Built

Uesugi clan

上杉氏

Lord

Date Terumune

伊達輝宗

1544–1585

Castles nearby

Yonezawa Castle3.1 km · No keep was built Takabatake Castle15.4 km · Not yet confirmed Hinohara Castle20 km · Not yet confirmed

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Sources

1
Wikipedia「館山城 (出羽国)」Wikipedia日本語版wikipediaChecked: 2026-10-03
2
Wikidata Q17211550WikidatawikidataChecked: 2026-10-03

Listing status

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