Approximate extent of the Mackenzie River watershed

The Mackenzie River (French: Fleuve Mackenzie) originates in Great Slave Lake, in the Northwest Territories, and flows north into the Arctic Ocean. It is the longest river in Canada at 1,738 km and, together with its headstreams the Peace and the Finlay, the longest river in North America at 4,241 km in length. The Mackenzie and its tributaries drain 1,805,200 square kilometers.^[1] Its mean discharge is 9,700 cubic metres per second. The Mackenzie River, the longest river in Canada. ... Mackenzie River delta from NASA Source: NASA Visible Earth Credit: Jacques Descloitres, MODIS Land Rapid Response Team, NASA/GSFC Satellite: Terra Sensor: MODIS Image Date: 08-29-2001 File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. ... [[ == Headline text == This article does not cite its references or sources. ... Mackenzie River drainage basin showing Great Slave Lakes position in the Western Canadian Arctic Great Slave Lake (French: Grand lac des Esclaves) is the second-largest lake in the Northwest Territories of Canada (behind Great Bear Lake), the deepest lake in North America at 614 meters (2015 ft), and... For other geographical names that include Northwest, see Northwest. ... A drainage basin is the area within the drainage basin divide (blue outline), and drains the surface runoff and river discharge (green lines) of a contiguous area. ... This article does not cite its references or sources. ... In hydrology, the discharge of a river is the volume of water transported by it in a certain amount of time. ... Image File history File links Mackenzie_River_drainage_basin. ... Image File history File links Mackenzie_River_drainage_basin. ... Mackenzie River drainage basin showing Great Slave Lakes position in the Western Canadian Arctic Great Slave Lake (French: Grand lac des Esclaves) is the second-largest lake in the Northwest Territories of Canada (behind Great Bear Lake), the deepest lake in North America at 614 meters (2015 ft), and... For other geographical names that include Northwest, see Northwest. ... For other uses, see Peace River. ... Finlay River is a 402 km long river in north-central British Columbia flowing north and then south from Thutade Lake in the Omineca Mountains to Williston Lake, the impounded waters of the Peace River formed by the completion of the W.A.C. Bennett Dam in 1968. ... North America North America is a continent[1] in the Earths northern hemisphere and (chiefly) western hemisphere. ...

The large marshy delta of the Mackenzie River provides habitat for migrating Snow Geese, Tundra Swans, and Brant as well as breeding habitat for other waterfowl. The estuary is a calving area for Beluga whales. Binomial name Anser caerulescens (Linnaeus, 1758) The Snow Goose (Anser caerulescens) is a North American species of goose. ... Binomial name Cygnus columbianus (Ord, 1815) The Tundra Swan (Cygnus columbianus) is a small Northern Hemisphere swan. ... Binomial name Branta bernicla (Linnaeus, 1758) The Brent Goose (Branta bernicla) is a goose of the genus Branta, known in North America as Brant. ... Binomial name Delphinapterus leucas (Pallas, 1776) Beluga range This article is about the whale. ...

The river is navigable for approximately five months of the year. It freezes over in October and the ice on the river breaks up in May. During the winter months, sections of the river are used as an ice road. Ice Road in northern British Columbia, Canada Ice roads are temporary highways formed by using frozen rivers and lake surfaces. ...

During the ice-free period the river is navigable over its entire length. Barge traffic from an intermodal hub at the railhead at Hay River serves much of the Western Arctic. An intermodal train carrying both shipping containers and highway semi-trailers in piggyback service, on flatcars, passes through the Cajon Pass in February, 1995. ... A Railhead is a terminus of a railway line that interfaces with another tranport mode, for example shipping. ... Hay River on Great Slave Lake Hay River connection to the Arctic Ocean Hay River is a community on the south shore of Great Slave Lake, in the Northwest Territories, Canada. ...

The Mackenzie (previously Disappointment River) was named after Alexander Mackenzie, who travelled the river while trying to reach the Pacific Ocean in 1789. In the Dene languages it is called Deh Cho. Alexander MacKenzie painted by Thomas Lawrence (c. ... Year 1789 (MDCCLXXXIX) was a common year starting on Thursday (link will display the full calendar) of the Gregorian calendar (or a common year starting on Monday of the 11-day slower Julian calendar). ... The Dene are a group of First Nations that live in the Arctic regions of Canada. ...

The divide between the Mackenzie basin and the basin of the Yukon River to the west forms the central portion of the boundary between Northwest Territories and the Yukon. The Yukon River is a major watercourse of northwestern North America. ... For other geographical names that include Northwest, see Northwest. ... This article or section is in need of attention from an expert on the subject. ...

Lakes and tributaries

The Mackenzie River system includes:

• Great Bear Lake
• Great Slave Lake
• Lake Athabasca

and the following rivers: Great Bear Lake, NWT, Canada Mackenzie River drainage basin showing Great Bear Lakes position in the Western Canadian Arctic Great Bear Lake (Slavey: Sahtu, French: Grand lac de lOurs) is the largest lake in the Northwest Territories of Canada, the fourth largest in North America, and the eight... Mackenzie River drainage basin showing Great Slave Lakes position in the Western Canadian Arctic Great Slave Lake (French: Grand lac des Esclaves) is the second-largest lake in the Northwest Territories of Canada (behind Great Bear Lake), the deepest lake in North America at 614 meters (2015 ft), and... Lake Athabasca, Canada Lake Athabasca is located in the Northwest corner of Saskatchewan and the Northeast corner of Alberta between the 58° and 60° latitudes. ...

• Arctic Red
• Athabasca
• Finlay
• Fond du Lac
• Fort Nelson
• Hay
• Liard
• Parsnip
• Peace
• Peel
• Pembina
• Petitot
• Slave
• Smoky
• South Nahanni

Arctic Red River is the name of a tributary to the Mackenzie River in the Northwest Territories, Canada. ... Athabasca River watershed in western Canada The Athabasca River (French: rivière Athabasca) originates from the Columbia Glacier of the Columbia Icefield in Jasper National Park in Alberta, Canada. ... Finlay River is a 402 km long river in north-central British Columbia flowing north and then south from Thutade Lake in the Omineca Mountains to Williston Lake, the impounded waters of the Peace River formed by the completion of the W.A.C. Bennett Dam in 1968. ... The Fond du Lac River is one of the tributaries of the Mackenzie River, draining into the Arctic Ocean in Canada. ... The Fort Nelson River is a tributary of the Mackenzie River, which drains into the Arctic Ocean in Canada. ... Hay River is a large river in northern Alberta and southern Northwest Territories, Canada. ... The Liard River is a river that flows through the Yukon Territory, British Columbia and the Northwest Territories, and in Canada. ... The Parsnip River is a 240 km long river in central British Columbia, Canada. ... The Peace River is a river in Canada which originates in the Rocky Mountains of northern British Columbia and flows through northern Alberta. ... The Peel River is a tributary of the Mackenzie River in the Yukon and Northwest Territories in Canada. ... Pembina is a river in central Alberta, Canada. ... Petitot is a river in nothern Alberta and British Columbia, Canada. ... The Slave River is a Canadian river that flows from Lake Athabasca in northeastern Alberta and empties into Great Slave Lake. ... Smoky River in Alberta Smoky River is a river in western Alberta, Canada. ... The South Nahanni River is the centrepiece of Nahanni National Park Reserve, located roughly 500 kilometres west of Yellowknife in the Northwest Territories of Canada. ...

See also

• List of Northwest Territories rivers
• List of Yukon rivers

The Following is a list of rivers and creeks that are situated in the Northwest Territories Arctic Watershed Horton River Beaufort Watershed Mackenzie River Anderson River Great Slave Lake Watershed Great Bear Lake Watershed Atlantic Watershed Hudson Bay Thelon River Alphabetical List: Anderson Coppermine Horton Mackenzie Thelon See Also, List... Arctic Watershed Upper Liard River Rancheria River Frances River Hyland River Coal River La Biche River Peel River Ogilvie River Blackstone River Hart River Wild River Bonnet Plume River Snake River Firth River Malcolm river Trail River Babbage River Blow River Bering Sea Watershed Yukon River Marsh Lake McClintock Creek...

References

External links

• Information and a map of the Mackenzie's watershed
• for kids.com/Resources/rivers/tr_rivers_mackenzieRiver.asp Canadian Council for Geographic Education page with a series of articles on the history of the Mackenzie River.
• Atlas of Canada's page devoted to Arctic rivers of Canada.