Tateyama Castle

Tateyama Castle sits on a triangular plateau where two rivers meet, creating a naturally defensive position overlooking the valley below. The rivers and steep slopes around it formed barriers that protected this stronghold from most directions.

The Nagai clan built this fortress during the Kamakura period and held it for many generations. Control of the site changed when the Date clan expanded their power in the region during the late 1300s.

The castle served as a key checkpoint along trade routes connecting neighboring regions, shaping how communities exchanged goods and knowledge. Its position influenced the daily movement of merchants and travelers passing through the valley.

This is now an archaeological study site with visible earthen walls and foundation remains spread across the landscape. Wear sturdy shoes since the ground is uneven and can become slippery during wet weather.

A massive earthen rampart from the castle's era remains visible today and reveals how builders reinforced their defenses with stone. This impressive barrier on the western side shows the engineering approach of the period.

Location: Yonezawa

GPS coordinates: 37.91219,140.06456

Latest update: December 11, 2025 11:03