Agatsuma River
| The Agatsuma River (吾妻川, Agatsuma-gawa) is a major river in the northern Kantō region of Japan. It is 76.22 kilometres (47.36 mi) in length and has a basin area of 1,366 square kilometres (527 sq mi). Located entirely within Gunma Prefecture, it is one of the prefecture's major rivers. It is also a major tributary of the Tone River. The river is an important source of hydroelectric power, and 17 power plants are located on its banks.[1] | ||||||
| Source： Torii Pass | ||||||
| Mouth： Tone River | ||||||
| Length： 76.22 km (47.36 mi) | ||||||
| Basin size： 1,366 km2 (527 sq mi) | ||||||
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