Japan Castle Atlas

Rokkaku Sadayori

六角定頼

Head of the Rokkaku family, governors (shugo) of Omi Province. He led the family at the height of its power and was deeply involved in shogunate politics. Kannonji Castle is thought to have been rebuilt with extensive stone walls from around his time onward.

Years: 1495–1552

Historical record

Story

He backed the 12th shogun, Ashikaga Yoshiharu, after Yoshiharu was driven out of Kyoto. For several years around 1532 the shogun stayed at Kuwanomidera, a temple at the western foot of Kannonji's mountain, where he even held his wedding and received a steady stream of dignitaries from the capital.

Connected castles

Mount Kinugasa (432 m) rising beyond the rice fields. Kannonji Castle spread from its summit down the southern slopes (October 2013).

In-depth article

Ōmihachiman, Shiga

Kannonji Castle

観音寺城

On the mountain next to Nobunaga's Azuchi Castle stood a huge hilltop castle that was walled in stone before Azuchi was even built.

Japan's 100 Fine Castles No. 55CastleMountain

At by AtCC BY-SA 3.0Wikimedia Commons

lord at the height of Rokkaku powerRecord source: article

Mitsukuri CastleCastleNo photo of this castle yet

Basic information

Higashiōmi, Shiga

Mitsukuri Castle

箕作城

Rebuilt / expandedRecord source: wikipedia

Sources

1
埋蔵文化財活用ブックレット11 近江の城郭6 観音寺城跡(滋賀県教育委員会)Checked: 2026-10-03
2
史跡観音寺城跡の調査と整備(滋賀県)Checked: 2026-10-03
3
六角定頼(補助資料・Wikipedia日本語版)Checked: 2026-10-03