Watarase River

Watarase River

Watarase River at Kiryu, Gunma
Native name 渡良瀬川
Country Japan
Basin
Main source Mount Sukai, Nikkō, Tochigi
2,144 m (7,034 ft)
River mouth Tone River
11 m (36 ft)
Basin size 2,621 km2 (1,012 sq mi)
Physical characteristics
Length 106.7 km (66.3 mi)

The Watarase River' (渡良瀬川 Watarase-gawa) is a major river in the northern Kantō region of Japan. A tributary of the Tone River, it is 106.7 kilometres (66.3 mi) in length and drains an area of 2,621 square kilometres (1,012 sq mi).[1] Its source is at Mount Sukai on the boundary of the city of Nikkō in Tochigi Prefecture and it empties into the Tone River at the boundary of the city of Koga in Ibaraki Prefecture and the city of Kazo in Saitama Prefecture. It is classed as a First-class river by the Japanese government.

Although the river currently discharges into the Tone River, its original route was via the Edo River into Tokyo Bay. Its route was changed as part of the massive land reclamation and flood control works undertaken b the Tokugawa shogunate in the 17th and 18th centuries.

See also

References

  1. ↑ 渡良瀬川の概要 | 国土交通省 関東地方整備局 渡良瀬川河川事務所 (Ministry of Land, Infrastructure, Transport and Tourism (Japan) official page) (Retrieved on June 29, 2009)
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Coordinates: 36°09′15″N 139°41′48″E / 36.15417°N 139.69667°E / 36.15417; 139.69667 (mouth)

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