Anano River (穴の川, Ana-no-kawa) is a river located in the Minami-ku Ishiyama area of southern Sapporo in Hokkaidō, Japan.^[1] It is a tributary of the Toyohira River^[2] and classified as class A river.^[3] It is 9.4 km long and has a catchment area of 8.9 km2.^[4]

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Quick Facts Anano River 穴の川, Native name ...

Anano River 穴の川
View to the south from the Ananokawa Bridge (December 2004)
Native name	Ana-no-kawa (Japanese)
Location
Country	Japan
State	Hokkaidō
Region	Isikari
District	Sapporo
Municipality	Sapporo
Physical characteristics
Source	Ishiyama area, Minami-ku
• location	Sapporo, Hokkaidō, Japan
• coordinates	42°56′1″N 141°19′44″E
Mouth	Toyohira River
• location	Sapporo, Hokkaidō, Japan
• coordinates	42°58′1″N 141°19′55″E
Length	9.4 km (5.8 mi)
Basin size	8.9 km2 (3.4 sq mi)

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The Sapporo River Work Office built a sand control dam on the Anano River with a sand-retarding basin.^[4]