Château de Masuo

Masuo Castle is a Japanese fortress in Matsudo with surviving structural elements from the late 1500s. The site displays typical defensive features such as stone walls, watchtowers, and a moat system that once protected the compound.

The fortress was built in the late 1500s under Matsudo clan rule during a period of military transformation in Japan. It was originally called Koshigaya Castle before taking its current name.

The name Masuo comes from the early inhabitants of the area and reflects the long connection between place and people. For local residents, this fortress represented both security and authority.

The fortress grounds are now a public park where visitors can explore the preserved defensive structures on foot. The site offers free access and is easy to reach from the surrounding area.

The fortifications include specific adaptations to handle the arrival of firearms, with reinforced stone bases and strategically placed defensive lines. These changes show how castles had to quickly adjust to new military technology.

GPS coordinates: 35.84039,139.98436

Latest update: December 11, 2025 18:07