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Mackenzie River

Plizio editorial teamUpdated: Jun 2026Data Sources

Landmark

Weather…

The Mackenzie River is the longest river in Canada and forms the largest drainage basin in the country, encompassing nearly 1.8 million square kilometers. Originating at the Great Slave Lake in the Northwest Territories, it flows north-northwest for 1,738 kilometers until it reaches the Beaufort Sea in the Arctic Ocean. When measured from the headwaters of the Finlay River in British Columbia, the entire Mackenzie-Peace-Finlay system stretches 4,241 kilometers, making it the second-longest river system in North America. The river traverses a landscape dominated by boreal forest and tundra, characterized by permafrost and vast wetlands that support diverse wildlife. Its delta, covering 12,000 square kilometers, is a crucial habitat for migratory birds and beluga whales. Named after Sir Alexander Mackenzie, who charted the river in 1789 while searching for a Northwest Passage, it has historically served as a primary transportation route for the fur trade and today supports the logistics of northern resource extraction. The river remains ice-bound for much of the year, with navigation typically only possible from June to October, making it a seasonal but vital lifeline.

Best time to visit & climate

The most pleasant time to visit is Jun–Aug.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg °C	-23	-22	-20	-11	-1	6	9	8	3	-5	-17	-22
Rain mm	18	14	16	16	23	28	37	48	42	27	18	16

📋 Practical info

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Visiting

The Mackenzie River is the longest river system in Canada and can be visited at many points. Guided boat and canoe tours are offered during the summer months.

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Typical hours

The river itself has no opening hours as it is a natural waterway. Tour operators typically have seasonal hours from June to August.

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Photography

Photography of the Mackenzie River is allowed from the banks and viewpoints. Aerial photos from a plane require a permit.

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Time needed

A short visit to a section takes about an hour. For a boat tour, allow half a day to a full day.

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Combine with

Combine the Mackenzie River with the Great Slave Lake at its end. Yellowknife city is also a good starting point for explorations.

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Getting there

The river is best reached by plane to Yellowknife or Fort Providence. From there you can rent local tours or canoes.

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Insider tip

Book a multi-day canoe trip to experience the untouched wilderness of the river. Bring insect repellent, as mosquitoes are very active in summer.

Geography

Length

4241 km

Coordinates

69.26830, -134.19530

Facts

Length: 1,738 km (stem), 4,241 km (total system)
Drainage Basin: Approx. 1.8 million square kilometers
Delta Area: Covers about 12,000 square kilometers
Mouth: Beaufort Sea, part of the Arctic Ocean
Naming: Named after explorer Alexander Mackenzie (1789)
Source: Originates from the Great Slave Lake

Route planner — Car & Motorhome

Where do you start? We build the route here, with stops and country notes along the way.

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Overnight stops

Vehicle

Only stops with (optional): 💧 Water ♻️ Disposal 🔌 Power 🚻 Toilets 🚿 Shower

Sights nearby

Frequently asked questions

How long is the Mackenzie River?

At 1,738 kilometers, it is the longest river in Canada.

Which ocean does the river flow into?

It flows north and empties into the Arctic Ocean (Beaufort Sea).

Is the river navigable?

Yes, during the summer months, it is a key transportation route for the North.

What animals live along the Mackenzie River?

Beavers, muskoxen, caribou, and many migratory bird species are found here.

Can you cross the river in winter?

Yes, in winter, official ice roads are established on the thick ice for vehicles.

Mackenzie River: where is it located?

Mackenzie River is located in Canada.

Mackenzie River: when is the best time to visit?

The most pleasant time to visit is Jun, Aug.

Mackenzie River: why is it worth visiting?

The Mackenzie River is the longest river in Canada and forms the largest drainage basin in the country, encompassing nearly 1.8 million square kilometers.

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