At the same time as Yoritomo raised his forces, MINAMOTO no Yoshinaka (Yoshinaka KISO) of Shinano Province raised forces in September 1180, and won the Battle of Yokotagawara in June 1181 and controlled the area from Shinano to Echigo Province.
頼朝の挙兵と同時期の治承4年（1180年）9月、信濃国の源義仲（木曾義仲）が挙兵し1181年6月横田河原の戦いで勝利を収め、信濃から越後国を席巻した。