Key Facts
• A detailed illustration of Sunpu Castle was discovered in Yamanashi, Japan.
• The illustration dates back to before 1656 and was acquired by collector Yoshihisa Fujiwara.
• Dimensions: 72 cm by 75 cm, believed to be a copy made by Himeji Domain.
• Experts confirm it is the most detailed depiction of Sunpu Castle to date.
• The illustration reveals the structure of the castle’s main keep (tenshu) and its entrance.
• Surrounding features include tamon-yagura (corridor turrets) and defensive walls (nakashikiri).
• The castle’s layout and defensive structures were previously unknown.
• The original Sunpu Castle was built by the Tokugawa Shogunate, with limited records available.
• The discovery is expected to provide insights into the castle’s design and purpose.
Summary
A rare and detailed illustration of Sunpu Castle, where Tokugawa Ieyasu spent his final years, has been discovered in Yamanashi, Japan. Dating back to before 1656, the 72 cm by 75 cm illustration is believed to be a copy made by the Himeji Domain. Experts have identified it as the most precise depiction of the castle to date, revealing the structure of the main keep, entrance, and surrounding defensive features such as tamon-yagura and nakashikiri walls. This discovery sheds light on the castle’s design and defensive capabilities, offering valuable insights into its historical significance. Further research is expected to uncover more details about the castle’s architecture and purpose.
