The site of Takamatsu's castle now forms delightful Tamamo-kōen, a park where the walls and seawater moat survive, along with several of the original turrets. Each spring a swimming race is held in the moat to honour an age-old chivalrous tradition. The original castle was built in 1588 for Itoma Chikamasa, and was the home of the region's military rulers until the Meiji Restoration, which happened nearly 300 years later. Reconstruction of the main keep is slated for completion in 2015; watch this space.
