The Kumogahata-gawa River, joined at the Deai-bashi Bridge by the Nakatsu-gawa River originating in the valley of Mt. Iodani-yama in Kumogahata, becomes the Kamogawa River from there on.
雲ヶ畑川は、雲ヶ畑の魚谷山南部の谷を源とする中津川と出合橋で合流し、これより「鴨川」となる。