Additionally, other Kogo-ishi castles are found as "the multiunit remain for religious rituals in inmost village community" or "the castles which were constructed in a backwoods area by exiled clans coming from the Asian continent."
だが、そのほかに「奥集落の祭祀複合遺跡」や「大陸渡来氏族が追われて奥地に建造した城」などもある。