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Rivers of Japan

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Rivers of Japan

Rivers of Japan are characterized by their relatively short lengths and considerably steep gradients due to the narrow and mountainous topography of the country. An often-cited quote is 'this is not a river, but a waterfall' by the Dutch engineer (o-yatoi gaikokujin) Johannis de Rijke who had visited the Jōganji River, Toyama Prefecture. The Mogami, the Fuji and the Kuma are regarded as the three most rapid rivers of Japan.

Typical rivers of Japan rise from mountainous forests and cut out deep V-shaped valleys in their upper reaches, and form alluvial plains in their lower reaches which enable the Japanese to cultivate rice fields and to set up cities. Most rivers are dammed to supply both water and electricity.

The longest river of Japan is the Shinano, which flows from Nagano to Niigata. The Tone has the largest watershed and serves water to more than 30 million inhabitants of Tokyo metropolitan area.

List of Rivers in Japan

The list below is in geographical order (from north to south). See also Category:Rivers of Japan for an alphabetical list.

Hokkaidō

There are 316 rivers in Hokkaidō.[1]

List of rivers in Hokkaidō by length

The following table is a list of rivers of Hokkaidō by length.[2]
River Length
Ishikari (石狩川 Ishikari-gawa) 268 kilometres (167 mi)
Teshio (天塩川 Teshio-gawa) 256 kilometres (159 mi)
Tokachi (十勝川 Tokachi-gawa) 156 kilometres (97 mi)
Kushiro (釧路川 Kushiro-gawa) 154 kilometres (96 mi)
Yūbari (夕張川 Yūbari-gawa) 136 kilometres (85 mi)
Mu (鵡川 Mu-kawa) 135 kilometres (84 mi)
Shiribetsu (尻別川 Shiribetsu-gawa) 126 kilometres (78 mi)
Tokoro (常呂川 Tokoro-gawa) 120 kilometres (75 mi)
Abashiri (網走川 Abashiri-gawa) 115 kilometres (71 mi)
Chitose (千歳川 Chitose-gawa) 108 kilometres (67 mi)
Saru (沙流川 Saru-gawa) 104 kilometres (65 mi)
Akan (阿寒川 Akan-gawa) 98 kilometres (61 mi)
Yūbetsu (湧別川 Yūbetsu-gawa) 87 kilometres (54 mi)
Shokotsu (渚滑川 Shokotsu-gawa) 84 kilometres (52 mi)
Niikappu (新冠川 Niikappu-gawa) 80 kilometres (50 mi)
Shiribeshi-Toshibetsu (後志利別川 Shiribeshi-Toshibetsu-gawa) 80 kilometres (50 mi)
Shibetsu (標津川 Shibetsu-gawa) 78 kilometres (48 mi)
Toyohira (豊平川 Toyohira-gawa) 72.5 kilometres (45.0 mi)
Shizunai (静内川 Shizunai-gawa) 69.9 kilometres (43.4 mi)
Rumoi (留萌川 Rumoi-gawa) 44 kilometres (27 mi)
Koetoi (声問川 Koetoi-gawa) 41.9 kilometres (26.0 mi)
Mitsuishi (三石川 Mitsuishi-gawa) 31.6 kilometres (19.6 mi)
Makomanai (真駒内川 Makomanai-gawa) 21 kilometres (13 mi)
Anano (穴の川 Ana-no-kawa) 9.4 kilometres (5.8 mi)
Zenibako (銭函川 Zenibako-kawa)
Bifue (美笛川 Bifue-gawa)
Okotanpe
Ninaru
Omakatu

List of class 1 rivers in Hokkaidō

The following is a list of the 15 first class rivers (1級河川) under management by the Hokkaidō Regional Development Bureau (北海道開発局 Hōkaihatsukyoku):[1]

  • Abashiri River
  • Ishikari River
  • Koetoi River
  • Kushiro River
  • Mu River
  • Rumoi River
  • Saru River
  • Shibetsu River
  • Shiribeshi-Toshibetsu River
  • Shiribetsu River
  • Shokotsu River
  • Teshio River
  • Tokachi River
  • Tokoro River
  • Yūbetsu River

Honshu

Tōhoku

First class rivers under the control of Tohoku Regional Bureau (東北地方整備局

Second class river

Kantō

First class rivers under the control of Kanto Regional Bureau (関東地方整備局)

Hokuriku

First-class rivers under the control of Hokuriku Regional Bureau (北陸地方整備局)

Chūbu

Rivers that flow into the Sea of Japan:

Rivers that flow into the Pacific Ocean:

First class rivers under control of Chubu Regional Bureau (中部地方整備局)

Kansai

The first class rivers under the control of Kinki Regional Bureau (近畿地方整備局)

The second class river

Chūgoku

First class rivers under control of Chugoku Regional Bureau (中国地方整備局)

Shikoku

First class rivers under control of Shikoku Regional Bureau (四国地方整備局)

  • Yoshino-gawa (吉野川) - Kochi, Ehime, Tokushima, Kagawa
  • Naka-gawa 那賀川 - Tokushima
  • Doki-gawa 土器川 - Kagawa
  • Shigenobu-gawa 重信川 - Ehime
  • Hiji-kawa 肱川 - Ehime
  • Monobe-kawa 物部川 - Kochi 6
  • Niyodo-gawa 仁淀川 - Ehime, Kochi
  • Shimanto-gawa (四万十川) - Ehime, Kochi

Kyūshū

First class rivers under control of Kyushu Regional Bureau (九州地方整備局)

  • Onga-gawa 遠賀川 - Fukuoka
  • Yamakuni-gawa 山国川 - Oita, Fukuoka
  • Chikugo-gawa (筑後川) - Kumamoto, Oita, Fukuoka, Saga
  • Yabe-gawa 矢部川 - Fukuoka
  • Matsuura-gawa 松浦川 - Saga
  • Rokkaku-gawa 六角川 - Saga
  • Kase-gawa 嘉瀬川 - Saga
  • Honmyo-gawa 本明川 - Nagasaki
  • Kikuchi-gawa 菊池川 - Kumamoto
  • Shira-kawa 白川 - Kumamoto
  • Midori-gawa 緑川 - Kumamoto
  • Kuma-gawa (球磨川) - Kumamoto
  • Ōita-gawa 大分川 - Ōita
  • Oono-gawa 大野川 - Kumamoto, Miyazaki, Ōita
  • Banjo-gawa 番匠川 - Ōita
  • Gokase-gawa 五ヶ瀬川 - Kumamoto, Ōita, Miyazaki
  • Omaru-gawa 小丸川 - Miyazaki
  • Ōyodo-gawa 大淀川 - Kagoshima, Kumamoto, Miyazaki
  • Sendai-gawa 川内川 - Miyazaki, Kagoshima
  • Kimotsuki-gawa 肝属川, 肝付川 - Kagoshima

References

  1. ^ a b 河川概要 (in Japanese). Ministry of Land,Infrastructure and Transport and Tourism Hokkaido Regional Development Bureau. Retrieved 2009-06-17. 
  2. ^ "2006 Hokkaido Statistics". Hokkaido Government. 2006. Retrieved 2009-04-07. 
  • 全国109の一級水系 (109 of first class rivers; by Ministry of Land, Infrastructure and Transport, Japan)
  • 一級水系の河川整備基本方針策定状況(平成21年3月6日現在)(you can see where first class rivers are)

See also

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