Madawaska River (Ontario)

Madawaska River
Upper Madawaska River at Whitney
EtymologyFrom name of Algonquian band "Matouweskarini" meaning "people of the shallows"
Location
CountryCanada
ProvinceOntario
Regions
County/District
Physical characteristics
SourceSource Lake
  locationCanisbay Township, Unorganized South Part, Nipissing District
  coordinates45°33′52″N 78°37′56″W / 45.56444°N 78.63222°W / 45.56444; -78.63222
  elevation450 m (1,480 ft)
MouthOttawa River
  location
Arnprior, Renfrew County
  coordinates
45°26′35″N 76°20′56″W / 45.44306°N 76.34889°W / 45.44306; -76.34889
  elevation
70 m (230 ft)
Length230 km (140 mi)
Basin size8,470 km2 (3,270 sq mi)
Discharge 
  average85 m3/s (3,000 cu ft/s)
Basin features
ProgressionOttawa RiverSt. Lawrence RiverGulf of St. Lawrence
River systemOttawa River drainage basin
Tributaries 
  leftOpeongo River
  rightYork River

The Madawaska River is a tributary of the Ottawa River in the St. Lawrence River drainage basin in Ontario, Canada. The river is 230 km (143 mi) long and drains an area of 8,470 km2 (3,270 sq mi). Its name comes from an Algonquian band of the region known as "Matouweskarini", meaning "people of the shallows".