Yoshitomo, with children, family, and retainers on more than 30 horses, had to make another attempt to slip out of Kyoto aiming for the Eastern provinces; however, at Ryugegoe in Ohara (present day Ohara in Sakyo Ward, Kyoto City), a battle ensued upon his encounter with fleeing troops (soldier-monks of Mount Hiei) who were blocking the way.
義朝は子や一族郎党30余騎で京を落ち再挙すべく東国を目指すが、大原（現京都市左京区大原）の竜下越で落ち武者狩りの比叡山の僧兵が行く手を遮ったため合戦となった。