Lake Diefenbaker
Reservoir Reservoir in Saskatchewan created by Gardiner Dam
Lake Diefenbaker is a major Saskatchewan reservoir formed by damming the South Saskatchewan and Qu’Appelle rivers; recreation focuses on boating, angling, camping and waterside provincial parks.
Lake Diefenbaker
Lake Diefenbaker is a large reservoir on the South Saskatchewan River in southern Saskatchewan, Canada, created by the construction of major dams in the 1960s and named after Prime Minister John Diefenbaker. The reservoir is a regional water-management and recreation resource.
The lake supports boating, fishing, irrigation and power generation and has extensive shoreline used for urban and recreational development. It was formed through coordinated dam construction to regulate river flow and provide water for downstream uses.
The reservoir occupies a stretch of the South Saskatchewan River system in southern Saskatchewan and is formed where the river was impounded by the Gardiner Dam and the Qu’Appelle River Dam.
- Purpose: Created by the construction of major dams on the South Saskatchewan River in the 1960s to provide irrigation, water supply, hydroelectric generation, and flood control.
What to See #
- Gardiner Dam: Gardiner Dam - an earth-fill embankment dam completed in the 1960s that, together with the Qu'Appelle River Dam, impounds the South Saskatchewan River to form the reservoir.
- Qu'Appelle River Dam: Qu'Appelle River Dam - constructed at the same time as Gardiner Dam to create the reservoir and regulate flows for irrigation and municipal use.
How to Get to Lake Diefenbaker #
Lake Diefenbaker is accessible by road from towns like Estevan and Saskatoon; follow provincial highways to the major dams and recreation areas. Local parks and municipal sites provide maps of launch points and beaches.
Tips for Visiting Lake Diefenbaker #
- Boat launches and marinas cluster at accessible points; check local authorities for launch fees.
- Combine a trip with a visit to nearby provincial parks, fishing lodges and heritage sites along the South Saskatchewan River.
- Summer winds can be strong on open stretches; small craft should watch weather forecasts.
Best Time to Visit Lake Diefenbaker #
A large reservoir in southern Saskatchewan created by damming the South Saskatchewan River; used for irrigation, power and recreation.
Weather & Climate near Lake Diefenbaker #
Lake Diefenbaker's climate is classified as Cold Semi-Arid - Cold Semi-Arid climate with mild summers (peaking in July) and freezing winters (coldest in January). Temperatures range from -19°C to 26°C. Semi-arid with limited rainfall.
January
January is the coldest month with highs of -9°C and lows of -19°C. Light rainfall.
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February
February is freezing with highs of -5°C and lows of -15°C. The driest month with just 11 mm.
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March
March is freezing with highs of 2°C and lows of -9°C. Light rainfall.
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April
April is cold with highs of 11°C and lows of -2°C. Light rainfall.
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May
May is cool with highs of 18°C and lows of 5°C. Moderate rainfall (41 mm).
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June
June is cool with highs of 23°C and lows of 10°C. The wettest month with 65 mm of rain.
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July
July is the warmest month with highs of 26°C and lows of 12°C. Moderate rainfall (57 mm).
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August
August is mild with highs of 26°C and lows of 12°C. Moderate rainfall (40 mm).
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September
September is cool with highs of 20°C and lows of 6°C. Moderate rainfall (32 mm).
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October
October is cold with highs of 13°C and lows of 1°C. Light rainfall.
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November
November is freezing with highs of 2°C and lows of -7°C. The driest month with just 11 mm.
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December
December is freezing with highs of -5°C and lows of -15°C. Light rainfall.
