Yashima Castle

Yashima Castle was a mountain fortress that used the natural terrain and stone foundations to create a strong defensive position. The ruins today show how these barriers were carefully arranged across the elevated landscape.

The fortress was built shortly after a major military defeat in East Asia and was designed to protect the region from future threats. It survived for centuries before being abandoned as defensive strategies changed.

The site holds religious importance in local tradition, with connections to Buddhist practices that developed in the surrounding area. Visitors sense how spiritual life shaped the community's relationship with this mountain location.

The site is freely accessible without entrance fees or reservations. Sturdy footwear is important since the ground is uneven and paths climb at different angles across the hillside.

For many years, the fortress was considered legend rather than a real place, until excavations in the early 2000s revealed its actual remains. This discovery transformed what was once a local myth into an archaeological fact.

Location: Takamatsu

Inception: 667

GPS coordinates: 34.35410,134.10534

Latest update: December 10, 2025 15:54