Obukumayama Kōgoishi, Ancient stone fortification in Saga, Japan.
The Obukumayama Kōgoishi features stone walls extending for 2.4 kilometers along mountain ridges, incorporating defensive structures and a gate formation.
Archaeological discoveries from 1941 revealed this fortification site dating back to early Japanese history, leading to its designation as a national Historic Site in 1951.
The stone arrangement techniques displayed at this location demonstrate the advanced engineering capabilities of ancient Japanese builders and their military architecture methods.
Visitors can reach the site via local transportation from Saga City, with walking trails providing access to different sections of the fortification throughout the year.
The stone walls contain specific construction patterns that differ from other ancient Japanese fortifications, suggesting regional variations in defensive architecture methods.
Location: Saga
GPS coordinates: 33.33153,130.33508
Latest update: March 31, 2025 11:11
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