Katusrao Castle (葛尾城, Katsurao-jō)) is the remains of a castle structure in Sakaki, Nagano Prefecture, Japan. It is located on a 816-meter mountain.[1] The castle was a main bastion of the Murakami clan.[2]
| Katurao Castle | |
|---|---|
葛尾城 | |
| Sakaki, Nagano Prefecture, Japan | |
 Katsurao Castle | |
| Type | Yamajiro-style castle |
| Site information | |
| Owner | Murakami clan, Takeda clan, Uesugi clan |
| Condition | ruins |
| Site history | |
| Built | Muromachi period |
| Built by | Murakami clan |
| Demolished | 1600 |
| Events | Siege of Katsurao |
| Garrison information | |
| Past commanders | Murakami Yoshikiyo |
In, 1553, the castle was attacked by Takeda Shingen, Murakami Yoshikiyo abandoned the castle and fled to Echigo, seeking Nagao Kagetora's help.[3] As a result, the Battle of Kawanakajima happened.[4]
Its ruins have been protected as a Prefectural Historic Sites.[2] The site is now only ruins, with some stone walls, moats, and earthworks.