The moat settlement spanned approximately 200 m across, and while the village was directly facing the natural river on the west side, it was apparently surrounded by a moat of about 20 m wide on the north, east and south sides.
この環濠集落の直径が約200メートルで、西側が自然河川に繋がっており、北側と東側、南側には、幅約20メートルの濠が巡っているらしい。