Lake Winnipeg, Manitoba, Canada

Lake Locations:

Canada - Manitoba -

Lake Winnipeg is a long (271 miles) somewhat shallow outdoor enthusiast’s dream. It’s located some 35 miles north of Winnipeg, Manitoba and is a natural favorite for Canadian residents as well as visitors. Lake Winnipeg’s beautiful beaches, provincial parks and uncluttered waters afford a wealth of outdoor enjoyment for anyone making it their vacation getaway. It is the sixth largest lake in Canada and the tenth largest freshwater lake in the world. There are 30 communities along the over 1000-mile shoreline hosting over 20,000 permanent residents. Lake Winnipeg is a wonderful Canadian resource providing hydroelectric power, tourism, commercial fishing, sport fishing, boating, swimming and camping (some on pristine islands and beaches dotting the Lake). The East side of the Lake is mostly untouched boreal rivers and forests, providing even more remote sites for outdoor challenges. The south end houses most of the seven Provincial Parks and beaches while the north end is the most remote and is the start of the hydroelectric generating system.

Lake Winnipeg is a natural lake predominantly fed by three major rivers: Red River, Winnipeg River and the Saskatchewan River. Many other rivers contribute their share and Lake Winnipeg’s watershed is truly enormous (386,000 square miles in area) covering parts of four U.S. States and four Canadian provinces. The outlet of Winnipeg Lake flows northward into the Nelson River and the Jenpeg Dam’s six units at the northern end generate 97 megawatts of electricity. There are 39 additional units and four additional dams in the Nelson River Hydroelectric Project further northward generating 3,789 added megawatts for the operator, Manitoba Hydro. This electricity is supplied to the Province and some U.S. locations.

While there is fine sport fishing in Lake Winnipeg with nice catches of walleye, northern pike, lake trout, smallmouth bass, channel catfish and pickerel, the Lake provides an excellent commercial fishery employing over 1000 fishermen and helpers. In the 2002 commercial season over seven million pounds of pickerel were caught and the total value of the commercial fishing industry on Lake Winnipeg was over $20 million. With the significant size of the Lake, boating (both sailing and power) is a favorite and enjoyable outdoor activity. There are a number of marinas and sailing clubs located at the southern end of Lake Winnipeg, some part of the Provincial Parks. Some of the marinas provide boat rentals of pontoon, skiffs and runabouts. Windsurfing, kayaking and canoeing are also very much enjoyed on the Lake. A caution for boating: Due to Lake Winnipeg’s rather shallow and narrow configuration, a northerly wind can sometimes cause waves of up to 9 feet – check with the locals for the wind forecast.

While hiking, walking and wildlife viewing in the Provincial Parks, go search for and find one of the over fifty Geocaches hidden around Lake Winnipeg. Of course, a short drive away from most of the Provincial Parks is the major city of Winipeg, providing sightseeing, supplies and entertainment.

Finally, the northern end of Lake Winnipeg offers some of the most beautiful pristine outdoor locations for boating, camping and just plain enjoyment. If you are anywhere near Winnipeg, Manitoba and love the outdoors, you MUST give Lake Winnipeg a high priority on your ‘must see’ list.

Things to do at Lake Winnipeg

  • Vacation Rentals
  • Fishing
  • Boating
  • Sailing
  • Swimming
  • Beach
  • Canoeing
  • Kayaking
  • Camping
  • Hiking
  • Wildlife Viewing
  • Provincial Park

Fish species found at Lake Winnipeg

  • Bass
  • Black Bass
  • Catfish
  • Channel Catfish
  • Lake Trout
  • Northern Pike
  • Perch
  • Pickerel
  • Pike
  • Smallmouth Bass
  • Trout
  • Walleye

Lake Winnipeg Photo Gallery

Lake Winnipeg Statistics & Helpful Links

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Lake Type: Natural Freshwater Lake, Dammed

Water Level Control: Manitoba Hydro

Surface Area: 5,867,520 acres

Shoreline Length: 1,087 miles

Average Depth: 39 feet

Maximum Depth: 118 feet

Water Volume: 228,833,000 acre-feet

Completion Year: 1979

Water Residence Time: 3.5 years

Lake Area-Population: 23,000

Drainage Area: 247,040,000 sq. miles

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Trophic State | LakeLubbers

Trophic State measures the level of algae and nutrients in a lake.

An oligotrophic lake is very clear (blue in color) and does not support much plant or fish life. A hyper-oligotrophic lake is the clearest of all lakes, and is nearly devoid of plants and fish.

A mesotrophic lake is slightly green and supports a moderate degree of plant and fish life. A lake's most desired trophic state is generally this mid-point - the mesotrophic state.

A eutrophic lake is somewhat murky and supports a large amount of plant and fish life. A hypereutrophic lake is clouded with algae, plant life, and fish life. A eutrophic or hyper-eutrophic lake can be difficult to navigate by boat - and is often an unpleasant place to swim.

The use of phosphorus-rich and nitrogen-rich fertilizer on lawns and golf courses surrounding a lake can cause it to become eutrophic or hypereutrophic.


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Catchment or Drainage Area | LakeLubbers

This is the surrounding area that drains into a lake, including land, rivers and their tributaries. This is also known as the lake's "catchment basin".

Small lakes at the highest peaks of mountains have small drainage areas. The world's oceans have the largest drainage areas.


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Lake-Area Population | LakeLubbers

This is the estimated number of people who live in a house with a view of a lake, plus those who self-describe the lake as their home, for example: "I live at Smith Mountain Lake."


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Water Residence Time | LakeLubbers

This is the estimated time that it takes for an amount of water equal to the entire volume of a lake to flow out of - or evaporate from - the lake.

Residence Time can be as short as a few days for fast-flowing small lakes, and can exceed 100 years for slow-flowing large lakes.


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Completion Year | LakeLubbers

This is the year that a reservoir was first filled to the reservoir's normal elevation - or the year that a natural lake was first dammed. A large reservoir can take more than a year to fill after its dam is first closed.

The Grand Anicut in southern India is generally considered the world's oldest dam that still operates. Grand Anicut was constructed in the second century BC. It now impounds an irrigation network that includes roughly one million acres.

You can find many of the the world's newest reservoirs on LakeLubbers. Many of the world's oldest reservoirs appear on the last page of that list.


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Water Volume | LakeLubbers

This is the estimated volume of water that a lake contains -- measured at the lake's normal elevation. By this measure, the world's largest freshwater lake is Siberia's Lake Baikal.

You can find many of the the world's largest lakes (by water volume) on LakeLubbers.

Water Volume can be measured in acre-feet, in cubic miles, or in cubic kilometers. One acre-foot is the amount of water needed to cover one acre (43,560 square feet) to a depth of one foot. One cubic mile equals 3,379,200 acre-feet. One cubic kilometer equals 810,713 acre-feet.

1 acre-foot is equal to 325,851 US gallons. Siberia's Lake Baikal contains about 6,276,367,740,000,000 gallons of freshwater - nearly 1 million gallons for every living person on earth.

The other - and more widely used - measure of a lake's size is the lake's surface acreage. By that measure, the world's largest freshwater lake is North America's Lake Superior.


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Maximum Depth | LakeLubbers

This is the estimated greatest depth of the water in a lake -- measured at the lake's normal elevation. The world's deepest lake is Siberia's Lake Baikal; that lake's maximum depth is estimated at 5,314 feet.

You can find many of the the world's deepest lakes on LakeLubbers. If you select the last page of that list, you will find the (maximum depth of) the shallowest lakes in our database.


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Average Depth | LakeLubbers

This is the estimated average depth of the water in a lake -- measured at the lake's normal elevation. If the water volume and surface area of a lake are known, an estimate of the lake's average depth can be calculated:

Water volume ÷ Surface Area = Average Depth

Example: 1,000,000 acre-feet ÷ 20,000 acres = 50 feet average depth


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Maximum Elevation | LakeLubbers

This is a lake's highest water level, measured by the lake's surface distance above sea level, that can occur during flooding. A lake's highest possible maximum elevation is usually the top of the lake's dam or spillway.

At lakes that include residential development, government regulations usually forbid the construction of homes below a lake's maximum elevation.


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Minimum Elevation | LakeLubbers

This is a lake's lowest water level, measured by the lake's surface distance above sea level, that can be reasonably expected to occur. Low lake levels can occur due to deliberate seasonal draw downs for irrigation or impending snow melt, reduced water inflows, drought and evaporation, residential or commercial water demands, and hydropower generation.

Some lakes' minimum and maximum elevations are virtually the same. Lakes that generate hydropower may vary by several feet - according to power demand. Lakes whose primary purpose is to prevent flooding can seasonally vary by 100 feet or more.

When some lakes reach their minimum elevation, their boat ramps may not be long enough to permit boat access - and boats docked on shallow parts of the lake may end up on dry ground. In those cases, kayakers and shore-based anglers may be among the few happy recreational users of the lake.


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Normal Elevation | LakeLubbers

This is a lake's normal water level, measured by the lake's surface distance above sea level. For a reservoir, this water level is also known as "full pond" or "full pool".

You can find many of the world's highest-elevated lakes on LakeLubbers. Lakes with the lowest elevations (known by LakeLubbers) are shown on the final page of that list.


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Shoreline Length | LakeLubbers

This is the length of the exterior shoreline around a lake - measured at the lake's normal elevation. The shoreline length can be considerably shorter or longer when lake water levels are lower or higher than normal.

A lake with many coves has a much longer shoreline than a lake of similar surface area that is nearly circular in shape.

When known, the shoreline miles that we report in our statistics include only the lake's exterior shoreline, and exclude the shorelines of islands located within a lake's boundaries. In lakes with many islands, those islands' combined shorelines may exceed a lake's exterior shoreline.

You can find many of the world's longest-shoreline lakes on Lakelubbers.


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Surface Area | LakeLubbers

This is the area (acreage, square kilometers, etc.) of the top surface area of a lake - measured at a lake's normal elevation. The surface area can be considerably smaller or larger when lake levels are lower or higher than normal. North America's Lake Superior is the world's largest freshwater lake by this measure.

The other measure of a lake's size is the lake's water volume. By that measure, the world's largest freshwater lake is Lake Baikal in Siberia.

You can find many of the world's largest lakes (acres) on Lakelubbers. There is no widely-accepted minimum surface area that defines a lake. What Lakelubbers describes as a lake, you might call a pond. The smallest lake that Lakelubbers currently includes is Hawaii's 2-acre Lake Waiau.


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Water Level Control | LakeLubbers

This is the organization that controls water releases or outflows from the lake or reservoir. In the USA, this is often the US Army Corps of Engineers, a power company, a municipal water system, an irrigation district, or a paper manufacturing company. In the case of private or gated lakes, a homeowners' association may be the lake's controlling authority.

Many lakes cross borders, including North America's Great Lakes. The control of such lakes and their coveted freshwater may be amicably shared - or hotly disputed.

"Water wars" continue at many lakes as growing populations and crop irrigation needs compete for the freshwater that lakes contain.


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Lake Type | LakeLubbers

There are 3 basic types of lakes that are currently included on LakeLubbers. 2 types may be dammed or not dammed, producing 5 classifications.

- A Reservoir is a man-made freshwater lake that is usually created by damming rivers.

- A Natural Freshwater Lake occurs naturally - often by glacial activity - and has a salinity of less than 30 parts per thousand. It may be dammed to produce electricity or for other reasons.

- A Natural Saltwater Lake occurs naturally and has a salinity of more than 30 parts per thousand (ppt). It may be dammed.

"Brackish" water may be categorized as freshwater or saltwater, depending on its salt content (salinity). Oligohaline water has less than 15 ppt of salt. Mesohaline water has 15-29 ppt. Polyhaline has 30-335 ppt.


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