Bitchu Matsuyama Castle

Bitchu Matsuyama Castle, also known as Takahashi Castle, is a historic Japanese fortress located in Takahashi, Okayama Prefecture. Originally constructed in 1331 by Takahashi Muneyasu on Mount Gagyū, the site replaced an earlier fortification built in 1240. The current structures largely date from a reconstruction during the early Edo Period, following the castle's active use from the Muromachi through the Edo periods. Architecturally, it is classified as a yamashiro, or mountain castle, and holds the distinction of being the highest elevation castle in Japan at 430 meters above sea level. Its strategic position on a long ridge allowed controllers to monitor vital north-south and east-west transportation routes connecting the Seto Inland Sea to the San'in region and central Chūgoku area.

The castle is renowned for possessing one of only twelve original tenshu, or main keeps, remaining in the country, along with surviving yagura turrets. Although parts of the complex were demolished between 1874 and 1875, the existing main keep has been preserved and designated as a National Important Cultural Property, while the entire site is recognized as a National Historic Site of Japan. The location is famous for a breathtaking visual phenomenon where the castle appears to float on a sea of clouds, particularly during autumn and winter mornings. Today, the grounds serve as a significant cultural landmark and tourist attraction, offering visitors a glimpse into feudal military architecture and the region's strategic history. The former site of the daimyo palace now houses the Okayama Prefectural Takahashi High School, blending historical significance with modern community use.