3-1061: The Gardiner River is a river in Cochrane District in northeastern Ontario , Canada . It is in the James Bay drainage basin , and is a left tributary of the Mattagami River . The river lies between the Mattagami and the Missinaibi River just upstream of the confluence of those two to form the Moose River , which flows to James Bay. The river begins at the confluence of two unnamed streams in geographic Lambert Township and flows northeast through unplatted Cochrane District, then geographic Gentles Township to reach geographic McCuaig Township. It turns east, flows through geographic Mulholland Township, then into geographic Gardiner Township and reaches its mouth at
6-622: The Mattagami River. Other map sources: Cochrane District Cochrane District is a district and census division in Northeastern Ontario in the Canadian province of Ontario . It was created in 1921 from parts of Timiskaming and Thunder Bay districts. In 2016, the population was 79,682. The land area of this district is 141,268.51 km (54,544.08 sq mi), making it slightly smaller than
9-625: The US state of Michigan and the second largest district in Ontario after Kenora District . The district seat is Cochrane . Bennet Lake Esker Kame Complex Conservation Reserve is located in Cochrane District. This list is incomplete. As a census division in the 2021 Census of Population conducted by Statistics Canada , the Cochrane District had a population of 77,963 living in 33,772 of its 37,667 total private dwellings,
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