淀川
The Yodo River () emerges from the south of Lake Biwa. The portion of the river that emerges from the lake is called the Seta River; the portion of the river in Kyoto is referred to as the Uji River; and the portion in Osaka as the Yodo River. The Setagawa Dam was constructed in 1961 to regulate the level of Lake Biwa, is located in the Nangō district of Ōtsu. The Yodo River is noted for having the largest number of tributaries of any river in Japan, and for supplying water for the Hanshin Industrial Region.