The Ogoki River is a river in the Thunder Bay and Cochrane Districts of Ontario.
The river, now mostly used for canoeing and fishing, was part of a canoe route from Hudson Bay to Lake Superior: via James Bay, Albany River, Ogoki River, portage to Ombabika River, Lake Nipigon, Nipigon River, and finally Lake Superior.
Portions of the river are protected in the Wabakimi Provincial Park and Ogoki River Provincial Park.
Fauna
The following fish species have been identified in Ogoki River system:
of the Ogoki basin is diverted by a high and long dam at the Waboose Falls (also known as Waboose Rapids), constructed in 1940-43. Together with another 3 control dams, this dam raises the water level by about , thereby creating Ogoki Reservoir (which is long and covers an area of approximately ). An average of about is diverted to the headwaters of the Little Jackfish River, a tributary of Lake Nipigon, and leaving about to flow down the Ogoki River itself.
This diversion increases the size of Lake Nipigon's watershed by almost 60%,
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The Ogoki River Provincial Park protects a long section of Ogoki River, from Ogoki Reservoir to the Thunder Bay-Cochrane boundary. It also includes Ogoki Lake in its entirety, as well as Kayedon, Harrogate, and Patience Lakes. It was established in 2004 and serves as an important recreational waterway, offering remote tourism and recreation opportunities such as angling, hunting, wildlife viewing, and backcountry canoe camping.