Funayama Castle (Mikawa)




It is said that Funayamajō, built on 10m tall hill, was the residence of Matsudaira Kazotsugu, also called Samanosuke, a son of Matsudaira Nobumitsu, in the 15th century. Nearby, his brother, Ietoshi, also called Umanosuke, also had a residence, Tsukuriokajō. Funayama Castle overlooked Tsukurioka Castle (Mikawa). The Funayama castle-mount was formed from an independent hill of about 200m by 100m.

Visit Notes

Funayamajō was a hilltop fort site which now hosts Funayama Shrine in the Oka Township of Okazaki Municipality (is this the ‘Oka’ to Okazaki’s ‘Zaki’?), but no ruins can be positively identified. The shrine is nice, at least, and I’m glad that the shrine’s wash basin is very clearly boat-shaped, as per the hill’s name, or I might’ve been disappointed (like when I went to Roppongi). I checked the top of the hill above the shrine. This area is also part of the shrine and has a small altar, so any mounding is probably connected to the shrine. The hill slopes off gradually after a flat area with an altar mound. As I say, there are no obvious remains of the fort.


Castle Profile
English Name Funayama Castle (Mikawa)
Japanese Name 三河舟山城
Founder Matsudaira Clan
Year Founded 15th Century
Castle Type Mountaintop
Castle Condition Ruins only
Historical Period Pre Edo Period
Visitor Information
Access Miai Station on the Meitetsu-Nagoya Line; 25 minute walk
Visitor Information 24/7; Free; Shrine
Time Required 20 minutes
Location Okazaki, Aichi Prefecture
Coordinates 34° 55' 31.80" N, 137° 12' 32.40" E
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Added to Jcastle 2023
Contributor ART
Admin Year Visited Viewer Contributed
Friends of JCastle
Jōkaku Shashin Kiroku
Aichi no Shiro

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