 The Tama unites with the tributaries Misawa, Yamashita, Gotanda, Nikaryō main river and Hirase; Katahira, Asao, Shimpukuji, Arima, E, Shibu and Yabumi flow into the Tsurumi.The land on the coast of the city is crossed by a network of canals (Tama Canal, Suehiro Canal, Chidori Canal, Yakō Canal, Daishi Canal, Mizue Canal, Shiohama Canal, Iriesaki Canal, Asano Canal, Ikegami Canal, Minami-Watarida Canal, Tanabe Canal, Shiraishi Canal and the Sakai Canal).In addition, the historic Nikaryō Yōsui canal still exists in the hinterland.