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 Indian River is a river in Renfrew County and Nipissing District in Eastern and Northeastern Ontario, Canada. It is in the Saint Lawrence River drainage basin, and is a left tributary of the Muskrat River.
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 Bonnechere 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 east and north of the town of Renfrew. The river's name is thought to come from the French "bonne chère" meaning "good cheer".
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.
Cedar Lake is a lake in the geographic townships of Boyd, Deacon and Lister in the Unorganized south part of Nipissing District in northeastern Ontario, Canada. The lake is in the Saint Lawrence River drainage basin and is entirely within Algonquin Provincial Park; it is a popular entry point for canoe trips into the interior of the park as the community of Brent, located on the lake, is connected by Brent Road to Ontario Highway 17. Other places on the lake are Acanthus and Government Park.
The Englehart River is a river in Timiskaming District in northeastern Ontario, Canada. It is in the Saint Lawrence River drainage basin and is a right tributary of the Blanche River.
The Little Madawaska 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 right tributary of the Petawawa River and not a tributary of the nearby Madawaska River.
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 Tim 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.
Depot Creek is a river in Nipissing District in Northeastern Ontario, Canada. It is in the Saint Lawrence River drainage basin, is a tributary of Grand Lake on the Barron River, and lies entirely within Algonquin Provincial Park.
Gibson Lake is a lake in geographic Biggar Township, Nipissing District in Northeastern Ontario, Canada. It is in the Saint Lawrence River drainage basin and lies within Algonquin Provincial Park. The major outflow, at the southwest, is Gibson Creek which flows to the Nipissing River, and then via the Petawawa River and the Ottawa River to the Saint Lawrence River.
The Irondale River is a river in Haliburton County in Central Ontario, Canada. It is part of the Great Lakes Basin, and is a left tributary of the Burnt River.
Mew Lake is a lake in Nipissing District in Northeastern Ontario, Canada. The lake is in Algonquin Provincial Park, is part of the Saint Lawrence River drainage basin, and lies astride Ontario Highway 60.
Jack Creek is a stream in Nipissing District in Northeastern Ontario, Canada. It is Algonquin Provincial Park, is a right tributary of the North Madawaska River, and is part of the Saint Lawrence River drainage basin.
