During the battle of the Kurikara Pass, however, Koremori's army fought against the army of MINAMOTO no Yoshinaka and Kagehisa was killed in action in Shinohara, Kaga Province (but, some say that it was Iiyama, Shinano Province).
しかし、倶利伽羅峠の戦いで源義仲軍と兵戈を交え、加賀国篠原（信濃国飯山との説もある）において討死している。