The Yura-gawa River used to run to the area around present-day Fukuchiyama Station; it was a violent river which caused serious damage to the surrounding people, buildings and agricultural products due to floods which frequently occurred whenever it rained heavily.
かつての由良川の流れは現在の福知山駅周辺にまで流れており、また大雨が降るたび氾濫を起こし周辺の人々や建物に加え農作物などに深刻な被害をもたらす暴れ川であった。