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Coldwater River (Simcoe County) facts for kids

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Coldwater River
Coldwater River Simcoe County.jpg
Coldwater River near the community of Coldwater
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Location of the mouth of the Coldwater River in southern Ontario
Country Canada
Province Ontario
Region Central Ontario
County Simcoe
Physical characteristics
Main source Unnamed lake
Martinville, Oro-Medonte township
246 m (807 ft)
44°34′30″N 79°42′17″W / 44.57500°N 79.70472°W / 44.57500; -79.70472
River mouth Matchedash Bay
Fesserton, Severn township
176 m (577 ft)
44°44′06″N 79°39′03″W / 44.73500°N 79.65083°W / 44.73500; -79.65083
Basin features
River system Great Lakes Basin

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 Coldwater River begins at the outflow from a small dammed lake, next to Ontario Highway 400, at Martinville in the municipality of Oro-Medonte and adjacent to the Oro Moraine. The lake was created as part of the Copeland Forest Resource Management Area by Ducks Unlimited. It heads northeast to the community of Eady, then north north-west to the eponymous community of Coldwater in the incorporated township of Severn, where it is crossed by Ontario Highway 12, at this point part of the Trans-Canada Highway. It continues in the same direction, through the Matchedash Bay Provincial Wilderness Area, and takes in the right tributary North River just before turning west to its mouth, near the community of Fesserton, at Catfish Bay, a sub-bay of Matchedash Bay, itself a sub-bay of Georgian Bay on Lake Huron.


The river valley is used as a route by both Ontario Highway 400 and by the Canadian Pacific Railway transcontinental main line, Mactier Subdivision.

The valley sides are the location of several ski areas including Mount St. Louis Moonstone on the west slopes and the Horseshoe Resort on the east slopes.


  • North River
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Coldwater River (Simcoe County) Facts for Kids. Kiddle Encyclopedia.