Shiwa Castle, Ancient fortress ruins in Morioka, Japan
The Shiwa Castle site spans 840 meters by 930 meters, featuring reconstructed gates, earthen walls, and three moats in a geometric layout.
Built in 803 CE under General Sakanoue no Tamuramaro, this northernmost fortification of Mutsu Province served as a crucial military base against northern tribes.
The site contains fourteen restored wooden buildings, including a central hall and administrative structures that reflect early Heian Period architecture.
Visitors can reach the castle from Morioka Station by taking the Iwate Kotsu bus to Iioka Junction stop, followed by a 10-minute walk.
The reconstructed south gate stands 11 meters tall, with 252-meter long walls and ten watchtowers, making it the largest restored ancient fortress in Japan.
Location: Morioka
GPS coordinates: 39.68625,141.10639
Latest update: May 12, 2025 15:56
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