Hayes River

Hayes River
York Factory on the Hayes River, circa 1925
Location of the mouth of the Hayes River in Manitoba.
Hayes River (Canada)
EtymologyNamed for Sir James Hayes, a Hudson's Bay Company (HBC) charter member
Location
CountryCanada
ProvinceManitoba
RegionNorthern Region
Physical characteristics
SourceMolson Lake
  coordinates54°18′55″N 96°41′31″W / 54.31528°N 96.69194°W / 54.31528; -96.69194
  elevation221 m (725 ft)
MouthHudson Bay
  coordinates
57°03′27″N 92°10′45″W / 57.05750°N 92.17917°W / 57.05750; -92.17917
  elevation
0 m (0 ft)
Length483 km (300 mi)
Basin size108,000 km2 (42,000 sq mi)
Discharge 
  average590 m3/s (21,000 cu ft/s)
Basin features
River systemHudson Bay drainage basin
Tributaries 
  leftFox River
  rightGods River

The Hayes River is a river in Northern Manitoba, Canada, that flows from Molson Lake to Hudson Bay at York Factory. It was historically an important river in the development of Canada and is now a Canadian Heritage River and the longest naturally flowing river in Manitoba.