Tokoro River
常呂川
Native nameTokoro-gawa  (Japanese)
Location
CountryJapan
StateHokkaidō
RegionAbashiri
DistrictKitami, Tokoro
MunicipalityOketo
Physical characteristics
SourceMount Mikuni
 • locationOketo, Hokkaidō, Japan
 • elevation940 m (3,080 ft)
MouthSea of Okhotsk
 • location
Kitami, Hokkaidō, Japan
 • elevation
0 m (0 ft)
Length120 km (75 mi)
Basin size1,930 km2 (750 sq mi)
Discharge 
 • average26.41 m3/s (933 cu ft/s)

Tokoro River (常呂川, Tokoro-gawa) is a river in Hokkaidō, Japan.