The took place Process_start in Japan on 6 August 1181 ( or by the Japanese calendar , Jishō-5 year , 4-month , 25-day ) , in the present-day town of Sunomata , Gifu Prefecture .

He found Know Taira no Tomomori and his army directly opposite from his , along the Sunomata River , near the borders of Owari and Mino provinces .