Ōno-jō Fortress Ruins 大野城跡

Historic site · Day trip from Fukuoka

Ono Fortress Ruins is an ancient mountain fortress built in 665 AD. It was constructed to defend against potential invasions and is considered one of Japan's largest ancient mountain fortresses. The site features the remains of nine gates, 70 buildings, and wells.

Source: nishinomiyako.com ↗, read 2026-09-11

Hours & directions on Google Maps ↗

Start a trip with this place Build a day-by-day plan

More in Fukuoka