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 Location and Geography of Sarnia-Lambton 


Sarnia-Lambton is located in the Canadian province of Ontario and is home to 128,204 residents. The County of Lambton is located in the geographical region known as Southwestern Ontario. It is bordered on the north by Lake Huron, which flows into the St. Clair River, and shares its western border with the United States of America. To the south is Lake St. Clair and the Municipality of Chatham-Kent, a region in Ontario. Lambton County's eastern border follows the Ausable River north until it reaches Lake Huron at the beach community of Grand Bend.

The largest city in Lambton County is Sarnia, which is located at the mouth of the St. Clair River. The two Blue Water Bridges cross the river at Point Edward, connecting Sarnia-Lambton to Port Huron, Michigan, U.S.A. The bridges are one of the busiest border crossings between the two countries. 

Distance to Sarnia-Lambton from other Cities:

Canada Miles Kilometres
Halifax 942 1516
Montreal 470 756
Ottawa 416 670
Toronto 173 280
Edmonton 1588 2556
Winnipeg 1415 2280

United States Miles Kilometres
New York 458 738
Chicago 319 510
Detroit 56 90
Seattle 1944 3128
Los Angeles 2014 3242
Miami 1193 1921


Most of Lambton County is covered by a large, relatively level clay plain. The Lake Huron shoreline and the northeastern part of the County exhibit evidence of ancient glacial lakes: sand deposits, beach terraces, shorecliffs, and moraines. Close proximity to Lake Huron, the St. Clair River, and the northern edge of the Carolinian Forest zone, give the area a high amount of biological diversity.

The soil in this region is a very important natural resource as it is within the main agricultural region of the province. The soil is very rich and productive owing its existence to the ancient sea that once flooded this area for a long period of time. During this time, organisms and plants fell into the sea leaving multiple layers of sediment behind. This sea floor also created very flat land making it ideal for agriculture. The subsequent deposits of decaying organic material also has endowed the area with rich oil deposits.