Southwestern Ontario is the geographic area of Ontario extending from the Bruce Peninsula and Lake Huron on the north, the Lake Huron shoreline on the west, the Lake Erie shoreline on the south, and neighbouring the Toronto-Hamilton-Niagara Golden Horseshoe region on the east. Its principal population centres are on the '401 corridor' cities - Windsor and Chatham-Kent, London and St Thomas, Woodstock and Ingersoll, Kitchener-Waterloo, Cambridge and Guelph, with Sarnia, the western terminus of highway 402; Brantford, on highway 403, and Stratford. Other significant centres are Collingwood and Owen Sound, Goderich, Tillsonburg and Simcoe.

Regions

• Brant County
• Bruce County
• Elgin County
• Essex County
• Grey County
• Huron County
• Kent County
• Lambton County
• Middlesex County
• Norfolk County
• Oxford County
• Perth County
• Waterloo Region
• Wellington County

Cities

• Brantford
• Cambridge
• Chatham-Kent
• Elmira
• Kitchener
• London
• Waterloo
• Windsor
• Woodstock

See

Itineraries

• Windsor-Quebec corridor
• Windsor-Niagara and southern Ontario are the final stop on the Underground Railroad for those escaping slavery in the United States.

Do

• Point Pelee National Park of Canada 50 km (30 miles) south-east of Windsor, one of Canada's smallest national parks, attracts approximately 300 000 visitors each year.