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Baskatong Reservoir

Baskatong Reservoir is a man-made lake in western Quebec, Canada, created by the construction of the Mercier Dam on the Gatineau River system in the 1920s.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 26, 2026|2 min read| Fact-checked

Baskatong Reservoir is a man-made lake in western Quebec, Canada, created by the construction of the Mercier Dam on the Gatineau River system in the 1920s. It is known for its large size, irregular shoreline, many islands, and recreational use, especially fishing and camping.

History

Baskatong Reservoir was created in the 1920s during construction of the Mercier Dam. The flooded area incorporated the original Lake Baskatong, the Baskatong River, and other nearby bodies of water; the official name Réservoir Baskatong was adopted in 1962.

Geography

The reservoir lies in western Quebec between the Outaouais and Upper Laurentian regions, near Grand-Remous, Mont-Laurier, and Maniwaki. Sources describe it as having a very irregular shape, many islands, and a shoreline of about 2,800 km.

Hydroelectric role

The reservoir is managed as part of the Gatineau River hydroelectric system and helps regulate water flow for downstream facilities. Hydro-Québec notes that it is drawn down in winter and refilled in spring to manage runoff and reduce flood risk.

Recreation

Baskatong is a major outdoor destination in Quebec, with fishing, camping, canoeing, boating, and swimming among the common activities. Local tourism and outfitting organizations emphasize its beaches, islands, and fish populations.

Key facts

  • Baskatong Reservoir is an artificial reservoir in western Quebec, created by the Mercier Dam in the 1920s.
  • It has an area commonly cited as 400–413 km², though official toponymic records list 329 km².
  • The reservoir has a highly irregular shoreline of about 2,800 km with numerous islands and inlets.
  • It is used for hydroelectric water management on the Gatineau River system.
  • The area is popular for outdoor recreation, including fishing, camping, boating, and swimming.
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Canadian context

Baskatong Reservoir is a notable Quebec reservoir in the Outaouais and Laurentians, significant for hydroelectric water management and as a recreational destination for Canadian visitors and anglers.

Frequently asked questions

What is Baskatong Reservoir?
It is a man-made reservoir in western Quebec, created by the Mercier Dam in the 1920s.
Where is it located?
It lies in western Quebec, mainly between the Outaouais and Upper Laurentian regions, near Grand-Remous, Maniwaki, and Mont-Laurier.
How big is it?
Sources commonly give its area as about 400–413 km², though Quebec toponymic records list 329 km².
Why was it created?
It was created to support hydroelectric production and water management on the Gatineau River system.
What is it used for today?
It is used for hydroelectric regulation and is also a popular destination for fishing, boating, camping, and other outdoor activities.
Is there a single official area figure?
No. Published sources differ, with figures ranging from 329 km² to 413 km² depending on the source and measurement method.

References

  1. Wikipediahttps://en.wikipedia.org/wiki/Baskatong_Reservoir
    Supports: General description, artificial lake, area, irregular shoreline
  2. Wikipediahttps://fr.wikipedia.org/wiki/R%C3%A9servoir_Baskatong
    Supports: Location in Quebec and general size description
  3. Association des pourvoiries du Réservoir Baskatonghttps://www.reservoirbaskatong.qc.ca/en/
    Supports: Recreation area, shoreline, regional location, area claim
  4. Commission de toponymie du Québechttps://toponymie.gouv.qc.ca/ct/ToposWeb/Fiche.aspx?no_seq=3764
    Supports: Official name, location, creation period, 329 km² area, historical naming
  5. Association faunique communautaire du réservoir Baskatonghttps://afcbaskatong.com/en/the-baskatong/
    Supports: History, Mercier Dam, hydroelectric purpose, recreation
  6. Hydro-Québechttps://www.hydroquebec.com/generation/runoff/outaouais.html
    Supports: Hydroelectric water management and reservoir operation