Akan River

Japanese: 阿寒川 - あかんがわ

This river originates from Lake Akan in Akan National Park in eastern Hokkaido, and flows southward, joining tributaries such as the Teshibetsu and Shitakara, before emptying into the Pacific Ocean in the west of Kushiro City. It is 89 km long. The upper reaches are covered in virgin forest, but the river valley in the middle and lower reaches is a dairy farming area, and downstream, paper mills take industrial water. Originally a tributary of the Kushiro River, the river flowed downstream from Yamahana in Kushiro City, shifting to its current course with a mouth at Otanoshike, due to floods in 1920-22. The low-lying, swampy Kushiro plain from the lower reaches to the mouth of the river belongs to Kushiro Marsh National Park. National Route 240 runs along the Akan River.

Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information

Japanese:

北海道東部，阿寒国立公園の阿寒湖を源とし，徹別 (てしべつ) ，舌辛 (したから) などの支流を合せて南流，釧路市西部で太平洋に注ぐ川。全長 89km。上流域は原生林におおわれるが，中・下流部の河谷は酪農地帯となり，下流では製紙工場が工業用水を取水する。初め釧路川の一支流であったが，1920～22年の洪水により釧路市山花から下流の流路が大楽毛 (おたのしけ) に河口をもつ現流路に移った。下流から河口にかけての低湿な釧路原野は，釧路湿原国立公園に属する。阿寒川に沿って国道 240号線が通る。

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