Arakawa River (Kantō)
River in Kantō, Japan / From Wikipedia, the free encyclopedia
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This article is about the river in Tokyo. For other uses, see Arakawa River (disambiguation).
The Arakawa River or Ara River (Japanese: 荒川, Hepburn: Arakawa, "kawa" (川) already means "river") is a 173-kilometre (107 mi) long river that flows through Saitama Prefecture and Tokyo.[1] Its average flow in 2002 was 30 m3/s.
Quick Facts Native name, Location ...
Arakawa River | |
---|---|
Native name | 荒川 (Japanese) |
Location | |
Country | Japan |
Physical characteristics | |
Source | |
• location | Mount Kobushi (甲武信ヶ岳) |
• elevation | 2,475 m (8,120 ft) |
Mouth | |
• location | Tokyo Bay |
Length | 173 km (107 mi) |
Basin features | |
River system | Arakawa |
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It originates on Mount Kobushi in Saitama Prefecture, and empties into Tokyo Bay.[2] It has a total catchment area of 2,940 km2 (1,140 sq mi).
The river is one of Tokyo's major sources of tap water, and together with the Tone River, accounts for around 80% of Tokyo's water supply as of 2018.[3] The Okubo water purification plant takes water from the river.