It is the Amida-do Hall which Tokuama (the younger sister of FUJIWARA no Hidehira), the wife of Norimichi IWAKI who was from a gozoku (local ruling family), had built in 1160 to pray to Buddha for happiness of her late husband, and it is a one-storied, hogyo-zukuri style (conical roof with no horizontal ridge beam) squared hall whose side is sangen in length.
土地の豪族岩城則道の夫人徳尼（藤原秀衡の妹）が夫の菩提を弔うため、永暦元年（1160年）に建立した阿弥陀堂で、単層、三間四方の宝形造である。