Yōgaiyama Castle

About

Yōgaiyama Castle (Yōgaiyama-jō) was a Sengoku period yamajiro located in Kai Province (present day Yamanashi Prefecture), constructed in the 1520s by the Takeda clan. Since 1991, the ruins have been protected as a National Historic Site since 1938. The castle is also known as the Sekisuiyama Castle (Sekisuiyama-jō).

Adapted from Wikipedia (CC BY-SA). Photography via Wikimedia Commons.