Tama River

…in the region are the Tama, the lower reaches of which form the eastern boundary between Tokyo and Kanagawa prefectures; and the Tone, the main course of which lies some distance north of Tokyo. The Tone is the second longest river in Japan, and its drainage basin is the largest.…

…city now comes from the Tama and, increasingly, the Tone rivers. Tokyo would like to go yet farther afield, bringing water that now flows into the Sea of Japan across the mountains by tunnel to the Tone. It cannot do this by itself, and there is opposition in the rural…