Map of Brockville

Map of Brockville, a city on the St. Lawrence River in Eastern Ontario, in the heart of the Thousand Islands region.

Last reviewed on April 27, 2026

About Brockville

Brockville is one of Ontario's oldest European-settled towns, with notable 19th-century stone architecture and the landmark Brockville Railway Tunnel beneath downtown. It is a popular base for boating, diving, and Thousand Islands cruises.

Geography & Major Routes

Highway 401 runs north of the city, and the city is on the VIA Rail Toronto–Ottawa–Montreal corridor. The St. Lawrence River and a chain of small islands sit immediately south.

Brockville Districts & Communities

The downtown waterfront, the Court House Square heritage district, North Augusta Road, and the Aquatarium area are central to the city.

Region

Brockville is part of Eastern Ontario, with a population of approximately 22,000. For broader context, see the Eastern Ontario regional map and the Ontario map with cities.

Related Ontario Maps

Other useful maps for trips through this part of Ontario

Eastern Ontario Map

Regional map with Ottawa, Kingston, and the St. Lawrence corridor.

Ontario Highway Map

Complete provincial highway network including the 400-series.

Ontario Cities Map

All major Ontario cities and towns on a single map.

All Ontario Cities

Full directory of city and town maps across the province.