Château de Hikuma Yamashiro, Medieval fortress in Hamamatsu, Japan
Hikuma Yamashiro is a Japanese castle site on the Mikatagahara plateau in Hamamatsu, Japan, where stone walls and earthworks still mark out the original layout of the fortress. The grounds are divided into several baileys, and the overall shape of the fortification remains clearly readable from within the park.
The Imagawa clan built the original fortress in the early 16th century as a regional stronghold in what is now Shizuoka Prefecture. Under the Tokugawa regime it grew into one of the key military positions in the area and remained in use for over a century.
The site is sometimes called Shussebo-jo, meaning the Castle of Rising, because several commanders who served here went on to hold high positions in the shogunate. Walking the grounds today, visitors can read about these figures on the information boards placed throughout the park.
The site is open as a public park and can be explored on foot at a relaxed pace in about an hour. The terrain sits on an elevated plateau with some uneven ground, so sturdy footwear is a good idea.
Unlike most Japanese castles of its era, this fortress had no central keep and relied instead on a two-story watchtower inside the inner bailey. This made it a simpler and more compact fortification than its contemporaries in the region.
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