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 Moira River is a river in Hastings County in eastern Ontario, Canada. It travels from its source in the centre of the county to the Bay of Quinte at the county seat Belleville.
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 Barron River is a river in the Saint Lawrence River drainage basin in Nipissing District and Renfrew County, Ontario, Canada. It flows from Clemow Lake in northern Algonquin Provincial Park and joins the Petawawa River, whose southern branch it forms, in the municipality of Laurentian Hills, near the municipality of Petawawa.
The Pukaskwa River is a river in Thunder Bay District and Algoma District in Northern Ontario, Canada. It is in the Great Lakes Basin and is a tributary of Lake Superior, which it enters at the south end of Pukaskwa National Park. It is a remote, pristine, free-flowing, medium-sized Shield river, with lots of whitewater, best travelled in spring.
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 Carp River is a river in the Unorganized North Part of Algoma District in Northeastern Ontario, Canada. The river is in the Great Lakes Basin and is a tributary of Lake Superior.
The Boyne River is a river in Simcoe County and Dufferin County in Central Ontario, Canada. It is part of the Great Lakes Basin, and is a left tributary of the Nottawasaga River. The rivers falls within the jurisdiction of the Nottawasaga Valley Conservation Authority.
The Black River is a river in Cochrane District and Timiskaming District in Northeastern Ontario, Canada. It is part of the James Bay drainage basin, and is a right tributary of the Abitibi River. The municipality of Black River-Matheson is named after the river.
The Black River is a river in Thunder Bay District in Northwestern Ontario, Canada. It is part of the Great Lakes Basin, and is a left tributary of the Pic River.
The Lawagamau River, also known as the Kattawagami River, is a river in northern Cochrane District in Northeastern Ontario, Canada. It is part of the James Bay drainage basin, and is a right tributary of the Kesagami River.
The Matawin River is a river in Thunder Bay District in Northwestern Ontario, Canada. It is in the Great Lakes Basin and is a right tributary of the Kaministiquia River.
Shebandowan Lakes is the name for the combined entity of three lakes — Upper Shebandowan Lake at the west, Middle Shebandowan Lake at the centre, and Lower Shebandowan Lake at the east — in the Unorganized Part of Thunder Bay District in Northwestern Ontario, Canada. The lakes are in the Great Lakes Basin, and Lower Shebandowan Lake is the source of the Shebandowan River.
The Swamp River is a river in Thunder Bay District in Northwestern Ontario, Canada. It is in the Great Lakes Basin and is a tributary of Shebandowan Lakes.
The Kashabowie River is a river in southwestern Thunder Bay District in Northwestern Ontario, Canada. It is in the Great Lakes Basin and is a tributary of the Shebandowan Lakes.
The Namewaminikan River is a river in Thunder Bay District in northwestern Ontario, Canada. It is in the Great Lakes Basin and is a tributary of Lake Nipigon.
The Roslyn River is a river in Thunder Bay District in northwestern Ontario, Canada. It is in the Great Lakes Basin and is a right tributary of the Namewaminikan River.
The Borden River is a river in Sudbury District in northeastern Ontario, Canada. It is in the James Bay drainage basin, and is a left tributary of the Nemegosenda River.
The Valentine River is a river in the Unorganized North Part of Cochrane District in northeastern Ontario, Canada. It is in the Moose River drainage basin, and is a tributary of Lac Pivabiska, the source of the Pivabiska River.
The Whiteclay River is a river in Cochrane District and Timiskaming District in northeastern Ontario, Canada. It is in the James Bay drainage basin and is a left tributary of the Black River.
