Arakawa River (Kantō)

Arakawa River
A bend in the Arakawa River

Location of mouth in Japan
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

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 30m³/s.

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.

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History

Attempts to control flooding of the Arakawa River have been made since the area that is now Tokyo became the de facto capital of Japan during the Edo period. Following a major flood in 1910 that damaged a large part of central Tokyo, a 22-kilometre (14 mi) long drainage canal was constructed between 1911 and 1924. In 1996 an agreement was signed to make it a "sister river" of the Potomac River in the eastern United States.^[2] This means that officials and volunteers from both river areas collaborate with each other.^[4]

In popular culture

This river is also depicted in many anime such as Toaru Kagaku no Railgun and Arakawa Under the Bridge, which is set on the riverbank.

The Arakawa forms the backdrop for a significant part of the storyline in the 2010 crime drama video game Yakuza 4.

References

^ "Our Planet: Arakawa River". Planet Labs. Archived from the original on 11 March 2016. Retrieved 2 November 2015.
^ ^a ^b "(Arakawa - Potomac sister rivers)". Interstate Commission on the Potomac River Basin. 27 January 2012. Archived from the original on December 27, 2013. Retrieved 27 December 2013.
^ "水系別貯水量の推移 | 水源・水質 | 東京都水道局". www.waterworks.metro.tokyo.jp (in Japanese). Retrieved 2018-08-27.
^ "Potomac Basin Reporter". msa.maryland.gov. Retrieved 2020-11-25.

External links

Media related to Arakawa River (Saitama and Tokyo) at Wikimedia Commons

River systems and rivers of Japan

Rivers of Hokkaido

Sea of Japan	Ishikari River Chitose River Toyohira River Makomanai River Anano River Yūbari River Koetoi River Rumoi River Shiribeshi-Toshibetsu River Shiribetsu River Teshio River Zenibako River
Sea of Okhotsk	Abashiri River Shibetsu River Shokotsu River Tokoro River Yūbetsu River
Pacific Ocean	Akan River Kushiro River Mitsuishi River Mu River Niikappu River Saru River Shizunai River Tokachi River
Rivers of Hokkaido on Commons

Rivers of Honshu

Tōhoku region	Abukuma River Arakawa River Iwaki River Kitakami River Komagome River Koyoshi River Mabechi River Mogami River Natori River Ōhata River Oirase River Omono River Takase River Yoneshiro River
Kantō region	Arakawa River Edo River Fuji River Kanda River Kuji River Naka River Sagami River Sumida River Tama River Tone River Tsurumi River
Chūbu region	Agano River Shinano River Seki River Hime River Kurobe River Jōganji River Jinzū River Shō River Oyabe River Tedori River Kuzuryū River Fuji River Abe River Ōi River Sakawa River Tenryū River Toyo River Yahagi River Shōnai River Kiso Three Rivers Kiso River Nagara River Ibi River Kushida River Miya River Kita River Minami River
Kansai region	Choshi River Ibo River Kako River Kinokawa River Kumano River Kuzuryu River Maruyama River Muko River Yamato River Yodo River Yasu River Katsura River Kamo River Kizu River Dōton River Yura River
Chūgoku region	Asahi River Ashida River Gōnokawa River Hino River Hii River Ōta River Oze River Saba River Sendai River Takahashi River Takatsu River Tenjin River Yoshii River

Rivers of Shikoku

Aibiki River
Shimanto River
Shinmachi River
- Suketō River
- Tamiya River
- Sako River
- Sumiyoshijima River
Yoshino River
- Dōzan River

Rivers of Kyushu

Kyushu	Arie River Chikugo River Kikuchi River Kuma River Mimi River Ōno River Ōyodo River
Yaeyama Islands	Kokuba River Nakama River Urauchi River