Arakawa (Kantō)

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View of the river

View of the river

location Japan
River system Arakawa
source on Mount Kobushi
muzzle to Tokyo Bay Coordinates: 35 ° 38 ′ 20 ″  N , 139 ° 50 ′ 37 ″  E 35 ° 38 ′ 20 ″  N , 139 ° 50 ′ 37 ″  E

length 173 km
Catchment area 2940 km²
Reservoirs flowed through Urayama Dam (on the Urayama tributary)

The Arakawa ( Japanese 荒 川 , dt. Wild river ) is a river on the Japanese main island of Honshū . It is 173 km long and has a catchment area of ​​2,940 km².


It initially flows northeast as a mountain river from Kobushi Mountain until it turns southeast in the city of Kumagaya . It now flows through the southern part of the Kantō plain . In the city of Toda Arakawa forms the border between the Saitama Prefecture of Tokyo . In Kita , the Sumida branches off from him at the Iwabuchi lock . It flows into Tokyo Bay .

The current lower reaches of the Arakawa was completed in 1930 as Arakawa hōsuiro ("Arakawa drainage canal "), before that it flowed through today's Sumida . Until the 17th century, when the Tokugawa diverted the main stream of the Tone to the east, the Arakawa flowed through what is now the Moto-Arakawa into the Tone.

Course of the river

The Arakawa flows through the following places:

Web links

Commons : Arakawa  - collection of images, videos and audio files