Oyumi Castle

Oyumi Castle is a Japanese castle located in Minami-Oyumichō in Chiba Prefecture, combining traditional architectural features with wooden structures and stone foundations. The fortress was built with strategic positioning in mind and integrates the surrounding natural landscape into its defensive layout.

The fortress was built during an era when feudal lords constructed defensive strongholds to protect their territories and maintain control over surrounding regions. It represents the military architecture that developed as various clans competed for power and land.

This fortress served as a symbol of the local lord's authority and control over the surrounding region. Its design and placement reflected the political power structures of feudal Japan and how territories were claimed and defended.

Check access conditions before visiting, as certain areas of the site may have restricted entry or limited availability. It is wise to verify opening hours and any visitor requirements in advance to ensure you can see what you came for.

The castle location at coordinates 35°33'16"N and 140°9'10"E provides a vantage point for observing the surrounding territorial layout.

Location: Minami-Oyumichō

GPS coordinates: 35.55444,140.15083

Latest update: December 9, 2025 18:40