The Hachisuka clan was responsible for Harakosai Village, Yoshiharu HORIO, Chikamasa IKOMA, Bitchu KINOSHITA, Shigeharu KUWAYAMA, Masaharu TODA for the areas from Matsui to Honkoyama, and the people of Tajima Province for the areas beyond Kawazugahana, while Nagamasa ASANO assembled boats and sendo (boatmen) to make preparations for attacking the castle when it would be floating on a lake.
原古才村を蜂須賀氏が、松井から本小山までを堀尾吉晴、生駒親正、木下備中、桑山重晴、戸田正治らが、蛙ヶ鼻より先を但馬国衆が担当することとなり、浅野長政は船や船頭を集めて備中高松城が湖に浮かぶ島になった際の城攻めの準備にあたった。