Great Lakes- St. Lawrence Lowlands

By: Amatul, Basmah, Navneet, Komal, Vanie and Maleah


The Great Lakes St. Lawrence Lowland is the smallest region in Canada. It is located on the southern parts of Ontario and Quebec.This region has much flat land surrounded by few hills. At one point , it was covered in pine forest, birch, hemlock, and maple trees but most of this land has been cleared for the use of farmland.

How The Region Was Formed

- 1400 years ago the entire Great Lakes lowlands were under a glacier that began to retreat at the end of the ice age.

- As the glacier retreated, it left indents in the ground that began to fill up with the water that was melting off the glacier.

- And as the glacier continued to retreat more and more indents were made and filled, which then the Great Lakes of today became more visible.

- The glacier had fully retreated and the indentations were completely filled, now it is recognizable as the current Great Lakes.

Physical Description

  • Includes several escarpments ( Niagara Escarpment)
  • Great Lakes region features a rolling landscape as a result of glaciers.
  • Great Lakes are basins gouged out by glaciers.
  • Smallest geographical region in Canada
  • Formed when the cracks in the Earths crust created a rift valley
  • Has rich fertile soil
  • Very cold winters and very hot summers.
  • Bowl shaped area
  • Great Lake St. Lawrence Lowland has a rolling landscape( meaning that there are many small hills or slopes).
  • The land is not flat or plain.
  • The rolling landscape had been created mainly by glaciation.
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Rock Type

- This lowland has bedrock formed from sedimentary rocks

-Paleozoic bedrock can be seen in many different parts of the Great Lakes- St. Lawrence

- Bed rock formed of sedimentary layers

- Along with the rocks there are many minerals such as zinc, silver, copper, iron, nickel, coal and lead

-Clay is also found in this region

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Geologic Age

-The bedrock is known as Paleozoic bedrock since it was created during the Paleozoic era

-The great lakes & Lawrence lowlands region was formed in the Paleozoic era

-The Paleozoic era was formed 245 million years ago

Locations And Cities It Includes

-The Great Lakes- St. Lawrence Lowland is located south of the Canadian shield

- The Great Lakes- St. Lawrence Lowland is seperated into two parts in Southern Ontario and Quebec.

- The Great Lakes- St. Lawrence Lowland includes cities such as Toronto, Montreal, Quebec City, Ottawa, Hamilton and London

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Land Use And Activities

This region includes a variety of activities that could be done to spend a good time. Some things that could be done are activities such as swimming,camping, boating, cottaging,golfing, fishing and more.There are many popular attraction areas that cannot be left unseen. Some of the most famous ones are:

- Sauble Falls Provincial Park/ Sauble Beach

-Niagara Falls

-CN Tower

Niagra Falls

Niagara Falls, Canada Travel Guide - Must-See Attractions

Sauble FallsProvincial Park/ Sauble Beach

Sauble Beach - Absolutely Fabulous Getaway!

CN Tower

Toronto Attractions - CN Tower


In conclusion, the Great Lakes and St. Lawrence Lowlands Makes up 1.4% of Canada's total area and Is the most densely populated area in Canada. This region has approximately 50% of Canada's total population. The Great lakes- St Lawrence Lowlands is a stunning region that is full of nature's beauty and is located in the southern parts of Ontario and Quebec.

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