Cornwall is a
city in eastern
Ontario,
Canada and the seat of the
United Counties of Stormont, Dundas and Glengarry, Ontario. Cornwall is Ontario's easternmost city, located on the
St. Lawrence River and
Highway 401, and is the urban centre for surrounding communities, which include
Long Sault and
Ingleside to the west,
Mohawk Territory of
Akwesasne to the south, St. Andrew's and Avonmore to the north, and Glen Walter, Martintown, Williamstown, and Lancaster to the east.
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