Guide
Imabari Castle, located near the Imado Coast in Ehine Prefecture, is a fortress characterized by its unique design that maximizes the use of the surrounding sea. It is celebrated as one of Japan's three great water castles, alongside Takamatsu Castle and Nakatsu Castle. The structure was designed so that boats could enter directly from the sea into the triple-layered moats, serving as a vital hub for maritime transport. The castle's defenses are incredibly robust, featuring stone walls reaching heights of 9 to 13 meters and inner moats spanning 50 to 70 meters in width.
Construction began in 1602 during the early Edo period, and the castle was completed in 1604. The design incorporates the 'Masugata Koguchi' style—an entrance enclosed by stone walls and earthen embankments—a defensive layout that later became widespread across many Japanese castles. Although many structures were dismantled during the Meiji era, the central stone walls and inner moats remain almost perfectly intact, and the site is designated as a historical site of Ehime Prefecture. The current castle tower (tenshu) is a reconstructed 'mock' keep built based on historical research to preserve the original aesthetic.
The greatest spectacle at Imabari Castle is the unique landscape formed by its moats and stone walls. The inner moat is exceptionally wide, a design intended to maximize the distance for defending against arrows. Additionally, some sections of the stone walls feature marble sourced from the nearby coast, giving the walls a distinctive, white, lustrous texture. The reconstructed keep features a watchtower-style structure, allowing visitors to enjoy a panoramic view of the surrounding landscape from the top floor. You can also observe the intricate architecture of historical gates, such as the Kurogane-mon (Iron Gate).
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When visiting, please allow approximately 1 hour to 1 hour 15 minutes to explore the castle tower and grounds. The interior of the castle tower primarily features panel displays and historical artifacts. From the top floor, you can enjoy a beautiful view of the surrounding scenery. For those driving, parking is available on the Ote-mon side of the castle, and fees apply. If you wish to use a volunteer guide service, you can apply at the parking area on the Ote-mon side. Please wear comfortable walking shoes, as there are stairs and uneven surfaces throughout the site.