After Ennin and Anne, at the time of Zesan in the later half of the tenth century, it moved to Kitadani in Saito (Western Section), which is one of the Hieizan Santo (The three temple precincts on Mt. Hiei), and named Tobi-bo.
円仁、安恵らを経て、10世紀後半の僧である是算の時、比叡山三塔のうちの西塔北谷に移り、東尾坊（とうびぼう）と称したという。