The York River is a river in Renfrew County, Hastings County and Haliburton County in Ontario, Canada. The river is in the Saint Lawrence River drainage basin, and flows from the southern extension of Algonquin Provincial Park to the Madawaska River.
The Kenogami River is a river in the James Bay drainage basin in Thunder Bay and Cochrane districts in Northern Ontario, Canada, which flows north from Long Lake near Longlac to empty into the Albany River. The river is 320 kilometres (199 mi) in length and its name means "long water" in the Cree language. A portion of the river's headwaters have been diverted into the Lake Superior drainage basin.
The Wabigoon River is a river in Kenora District in northwestern Ontario, Canada. It flows from Raleigh Lake past Dryden, Ontario on Wabigoon Lake to join the English River. The name "Wabigoon" comes from the Ojibwe waabigon, "marigold", or waabi-miigwan, "white feather".
The Petawawa River is a river in the Saint Lawrence River drainage basin in Nipissing District and Renfrew County in eastern and northeastern Ontario, Canada. The river flows from Algonquin Provincial Park to the Ottawa River at the town of Petawawa, and is only one of two major tributaries of the Ottawa River to flow completely free. The river's name comes from the Algonquian for "where one hears a noise like this", which refers to its many rapids.
The Opeongo River is a river in the Saint Lawrence River drainage basin in Nipissing District in northeastern Ontario, Canada. The river is entirely within Algonquin Provincial Park and Opeongo River Provincial Park, except for a small portion around Victoria Lake, and is a left tributary of the Madawaska River.
The Fawn River is a river in the north of the Unorganized Part of Kenora District in Northwestern Ontario, Canada. It is in the Hudson Bay drainage basin and is a right tributary of the Severn River.
The Moon River is a river in the municipalities of Georgian Bay and Muskoka Lakes, District Municipality of Muskoka in Central Ontario, Canada. It flows from Lake Muskoka at the community of Bala to Georgian Bay, Lake Huron, south of Parry Sound. The name of the river is thought to be derived from its Ojibwa name moonz-ziibi, which means "moose river".
The Magpie River is a river in Algoma District, northeastern Ontario, Canada, The river empties into Michipicoten Bay on Lake Superior near the town of Wawa. The river drains an area of about 1,900 square kilometres (734 sq mi).
The Whitefish River is a 45 km (28 mi) long river in Thunder Bay District in northwestern Ontario, Canada. It is in the Lake Superior drainage basin, is a tributary of the Kaministiquia River, and is in the centre of the Whitefish River Valley which is the location of several small settlements that grew along the Port Arthur, Duluth and Western Railway.
The Kagiano River is a river in the east part of Thunder Bay District in northwestern Ontario, Canada. It is in the Great Lakes Basin and flows from Devork Lake, 42 kilometres (26 mi) south of the community of Longlac on Ontario Highway 11, to the Pic River 55 kilometres (34 mi) north northeast of the town of Marathon on Ontario Highway 17.
The Frederick House River is a river in the James Bay and Moose River drainage basins in Cochrane District in northeastern Ontario, Canada. It flows 100 kilometres (62 mi) from Night Hawk Lake in the city of Timmins to its mouth at the Abitibi River in Cochrane, Unorganized, North Part. Both the river and the associated Hudson's Bay Company Frederick House post (1785–1821) are named for Prince Frederick, Duke of York and Albany, son of George III of the United Kingdom,
The Nipissing River is a river in the Saint Lawrence River drainage basin in the Unorganized South Part of Nipissing District in northeastern Ontario, Canada. The river is entirely within Algonquin Provincial Park, and is a left tributary of the Petawawa River.
The Blanche River is a river in the Saint Lawrence River drainage basin in Timiskaming District in northeastern Ontario, Canada. The river is a tributary of Lake Timiskaming and its name is from the French for the colour "white".
The Kapuskasing River is a river in the James Bay drainage basin in Cochrane District and Algoma District in northeastern Ontario, Canada. The river is a left tributary of the Mattagami River.
The Groundhog River is a river in Cochrane District and Sudbury District in Northeastern Ontario, Canada. The river is in the James Bay drainage basin and is a left tributary of the Mattagami River.
The Big East River is a river in Muskoka District and Nipissing District in Northeastern Ontario, Canada. The river is in the Great Lakes Basin, is a left tributary of the Muskoka River, and flows from Algonquin Provincial Park to Huntsville.
The Black River is a river in the municipality of Sioux Narrows-Nestor Falls, Kenora District in Northwestern Ontario, Canada. It is part of the Hudson Bay drainage basin, and is a tributary of the Lake of the Woods.
The Onaping River is a river in Greater Sudbury and Sudbury District in Northeastern Ontario, Canada. It is in the Great Lakes Basin and is a right tributary of the Vermilion River.
The Poplar Rapids River is a river in the municipality of Fauquier-Strickland and Unorganized North Cochrane District, Cochrane District in Northeastern Ontario, Canada. It is in the James Bay drainage basin and is a left tributary of the Mattagami River.
The Rostoul River is a river in the Unorganized Part of Kenora District in Northwestern Ontario, Canada. It is in the Hudson Bay drainage basin, is a left tributary of the Gammon River, and is within Woodland Caribou Provincial Park.
