Kanayama Castle
| Kanayama Castle | |
|---|---|
| 金山城 | |
| Ōta, Gunma, Japan | |
| Kanayama Castle ruins | |
| Site information | |
| Type | hilltop-style Japanese castle | 
| Open to the public | yes | 
| Condition | ruins | 
| Location | |
| Coordinates | 36°19′4.08″N 139°22′38.91″E / 36.3178000°N 139.3774750°E | 
| Site history | |
| Built | 1469 | 
| Built by | Iwamatsu clan | 
| In use | Sengoku period | 
| Demolished | 1591 | 
Kanayama Castle (金山城, Kanayama-jō) was a Sengoku period yamashiro-style castle located on top of Mount Kanayama in what is now Ōta, Gunma Prefecture, Japan. The site has been protected as a National Historic Site since 1990. The castle was also known as Ōta Kanayama Castle or as Nitta Kanayama Castle.