Coldwater River (Simcoe County)

Coldwater River
Coldwater River near the community of Coldwater
Location of the mouth of the Coldwater River in southern Ontario
EtymologyFrom the Ojibwa gisinaa nibiish, "cold pool of water"
Location
CountryCanada
ProvinceOntario
RegionCentral Ontario
CountySimcoe
Physical characteristics
SourceUnnamed lake
 • locationMartinville, Oro-Medonte township
 • coordinates44°34′30″N 79°42′17″W / 44.57500°N 79.70472°W / 44.57500; -79.70472
 • elevation246 m (807 ft)
MouthMatchedash Bay
 • location
Fesserton, Severn township
 • coordinates
44°44′06″N 79°39′03″W / 44.73500°N 79.65083°W / 44.73500; -79.65083
 • elevation
176 m (577 ft)
Basin features
River systemGreat Lakes Basin
Tributaries 
 • rightNorth River

The Coldwater River is a river in Simcoe County in Central Ontario, Canada. It is in the Great Lakes Basin and flows from the Oro moraine west of Lake Simcoe to Lake Huron. The river is believed to take its name from its Ojibwa name gisinaa nibiish, which means "cold pool of water".

The river offers canoe and kayak routes suitable for novice paddlers. A common launching point is in the village of Coldwater, Ontario.