Kesagami River

Kesagami River

Location of the mouth of the Kesagami River in Ontario
Location
Country	Canada
Province	Ontario
Region	Northeastern Ontario
District	Cochrane
Physical characteristics

Source	Unnamed lake
• coordinates	49°40′49″N 80°20′02″W / 49.68028°N 80.33389°W / 49.68028; -80.33389
• elevation	300 m (980 ft)

Mouth	Harricana River
• coordinates	51°08′54″N 79°46′46″W / 51.14833°N 79.77944°W / 51.14833; -79.77944
• elevation	1 m (3 ft 3 in)
Basin features
River system	James Bay drainage basin
Tributaries
• left	Bodell River
• right	Lawagamau River, Seal River, Little Seal River, Shashiskau River, Little Kesagami River

The Kesagami River is a river in northern Cochrane District in Northeastern Ontario, Canada.^[1] It is part of the James Bay drainage basin, and is a left tributary of the Harricana River. The lower two-thirds of the river, from about Kesagami Lake and downstream for 112 kilometres (70 mi) to its mouth, are part of Kesagami Provincial Park.^[2]

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Geography

The river begins at an unnamed lake in the Abitibi Uplands^[2] just west of Ontario Highway 652 and flows north to the large Kesagami Lake. It exits the lake at the northeast, continues north and descends rapidly to the James Bay Lowlands,^[2] where it takes in several tributaries before reaching its mouth at the Harricana River, just upstream of that river's mouth at James Bay.

From Kesagami Lake downstream, the river can be traversed as a canoe route. Since the river drops 250 metres (820 ft) over 112 kilometres (70 mi) to its mouth, whitewater canoeing is challenging, and extreme during spring conditions.^[2]

The entire course of the Kesagami River lies within the Hudson (James) Bay Lowland and, like all other streams in that region, it flows with a swift current in a channel cut through the marine clay deposits overlying limestone rocks of Paleozoic age. The banks are generally steep. The thickness of the overburden diminishes as the river nears its mouth, and in places it flows over beds of horizontal limestone. The Kesagami has few tributaries, and these are small because of the impervious nature of the clay through which they run.^[3]

The greater part of its course, which is generally in a north-northeast direction, is through a muskeg country with mostly dwarf black spruce and tamarack trees. Second-growth timber consists chiefly of Banksian pine, poplar, and birch. Owing to the amount of moisture in the ground, trees in this region do not attain a greater average height than about 9.1 metres (30 ft), and have a maximum diameter of 10 to 13 centimetres (4 to 5 in) in a growing period of between 100 and 150 years.^[3]

Tributaries

Shonaniwau Creek (left)
Kapichilewau Creek (left)
Lawagamau River (right)
Kwastigam Creek (left)
Kachigaskotik Creek (left)
Seal River (right)
Little Seal River (right)
Shashiskau River (right)
Bodell River (left)
Kesagami Lake
- Wikweyau Creek (right)
Little Kesagami River (right)

References

^ "Kesagami River". Geographical Names Data Base. Natural Resources Canada. Retrieved 2014-07-22.
^ ^a ^b ^c ^d "Kesagami Provincial Park - Interim Management Statement". Ontario Parks. 1998-04-15. Retrieved 2023-03-02.
^ ^a ^b Georgetown University, Office of the Chief of Naval Operations (1956). Canadian North. United States: Technical Assistant to Chief of Naval Operations for Polar Projects (OP-O3A3). p. 287. Retrieved 21 April 2023. This article incorporates text from this source, which is in the public domain.