Iida Castle, Japanese castle in Iida, Nagano Prefecture
Iida Castle sits on a plateau between the Matsukawa and Nosoko Rivers and consisted of multiple structures including the main keep, secondary bailey, and Sakura Bailey. These elements were laid out to create a fortified compound that controlled the surrounding landscape.
It was built in the early 13th century by the Banzai clan and later passed between powerful lords such as Takeda Shingen and Tokugawa Ieyasu. These shifts in control reflected the changing politics of the region across several centuries.
The grounds now house the Iida City Museum of Art, and the main bailey area has been transformed into Nagahime Shrine grounds. These spaces show how the historical site has been woven into everyday city life.
The site is within a 15-minute walk from JR Iida Station or accessible by the city's circular bus to the Prefectural Office stop. It is easy to visit as part of a day trip through the city.
The Sakuramaru Gate, completed in 1754, is the only original structure that remains from the castle period and holds cultural property status in Nagano Prefecture. This gate shows the craftsmanship of its era.
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