Ontario topographic maps
Click on a map to view its topography, its elevation and its terrain.
Toronto
Despite its deep ravines, Toronto is not remarkably hilly, but its elevation does increase steadily away from the lake. Elevation differences range from 76.5 metres (251 ft) above sea level at the Lake Ontario shore to 209 m (686 ft) ASL near the York University grounds in the city's north end at the…
Average elevation: 371 ft
London
Canada > Ontario > London > London
London has a humid continental climate (Köppen Dfb), though due to its downwind location relative to Lake Huron and elevation changes across the city, it is virtually on the Dfa/Dfb (hot summer) boundary favouring the former climate zone to the southwest of the confluence of the South and North Thames Rivers,…
Average elevation: 879 ft
Central Ontario
Along the northern edge of Central Ontario, are some of the highest elevations in Southern Ontario. These highlands are known as the Opeongo Hills, and they stretch into portions of Eastern Ontario as well.
Average elevation: 837 ft
Guelph
This region of Ontario has cold winters and warm, humid summers, falling into the Köppen climate classification Dfb zone, with moderately high rainfall and snowfall. It is generally a couple of degrees cooler than lower elevation regions on the Great Lakes shorelines, especially so in winter, the exception…
Average elevation: 1,129 ft
Peterborough
Canada > Ontario > Peterborough
Peterborough's topography is largely defined by land formations created by the receding Wisconsian glaciers 10,000–15,000 years ago. The South End and Downtown portions of the City sit on what was the bottom of the glacial Lake Peterborough—part of a glacial spillway created when glacial meltwaters from…
Average elevation: 771 ft
Trowbridge Island
Canada > Ontario > Thunder Bay District > Unorganized Thunder Bay District
Average elevation: 587 ft
Lake Ontario
Lake Ontario is the easternmost of the Great Lakes and the smallest in surface area (7,340 sq mi, 18,960 km2), although it exceeds Lake Erie in volume (393 cu mi, 1,639 km3). It is the 13th largest lake in the world. When its islands are included, the lake's shoreline is 712 miles (1,146 km) long. As the last…
Average elevation: 702 ft
Raglan White Lake
Canada > Ontario > Renfrew County > Brudenell, Lyndoch and Raglan
Average elevation: 1,063 ft
Scarborough
Topographically, the district is dominated by two watersheds, Highland Creek and the Rouge River. Highland Creek lies almost entirely within Scarborough and occupies approximately 70% of its total area. It occupies the western half of Scarborough, while the Rouge River flows through the eastern portion. Both…
Average elevation: 453 ft
Cameron Island
Canada > Ontario > Kenora District > Unorganized Kenora District
Average elevation: 1,109 ft
Why Island
Canada > Ontario > Leeds and Grenville Counties > Leeds and the Thousand Islands
Average elevation: 302 ft
Mattagami Lake
Canada > Ontario > Sudbury District > Unorganized North Sudbury > Mattagami
Average elevation: 1,207 ft
Wabaskang Lake
Canada > Ontario > Kenora District > Unorganized Kenora District
Average elevation: 1,230 ft
Arrow Lake
Canada > Ontario > Cochrane District > Unorganized South West Cochrane
Average elevation: 974 ft
Arrow Lake
Canada > Ontario > Nipissing District > Unorganized South Nipissing
Average elevation: 1,358 ft
Proudfoot Point
Canada > Ontario > Sudbury District > Sables-Spanish Rivers Township
Average elevation: 587 ft
Lake Nipissing
Canada > Ontario > Nipissing District
Lake Nipissing (/ˈnɪpəsɪŋ/; French: lac Nipissing, Ojibwe: Gichi-nibiinsing-zaaga’igan) is a lake in the Canadian province of Ontario. It has a surface area of 873.3 km2 (337.2 sq mi), a mean elevation of 196 m (643 ft) above sea level, and is located between the Ottawa River and Georgian Bay. Lake…
Average elevation: 892 ft
Thistle Lake
Canada > Ontario > Nipissing District > Unorganized South Nipissing
Average elevation: 1,506 ft
Markham
Canada > Ontario > York Region
Markham's average altitude is at 200 m (660 ft) and in general consists of gently rolling hills. The city is intersected by two rivers; the Don River and Rouge River, as well as their tributaries. To the north is the Oak Ridges Moraine, which further elevates the elevation towards the north.
Average elevation: 709 ft
Pog Lake
Canada > Ontario > Nipissing District > Unorganized South Nipissing
Average elevation: 1,362 ft
Big Canon Lake
Canada > Ontario > Kenora District > Unorganized Kenora District
Average elevation: 1,191 ft
Niagara River
Canada > Ontario > Niagara Region > Niagara Falls
The river, occasionally described as a strait, is approximately 58 kilometres (36 mi) long and includes Niagara Falls. Over the past 12,000 years, the falls have moved roughly 11 kilometres (6.8 mi) upstream from the leading edge of the Niagara Escarpment, creating a gorge below the falls. Today, the diversion…
Average elevation: 581 ft
Drag lake
Canada > Ontario > Haliburton County > Dysart et al > Haliburton
Average elevation: 1,293 ft
Guelph Lake Conservation Area
Canada > Ontario > Wellington County > Guelph
Average elevation: 1,168 ft
Quetico Lake
Canada > Ontario > Rainy River District > Unorganized Rainy River
Average elevation: 1,309 ft
Kenogami Lake
Canada > Ontario > Timiskaming District > Unorganized West Timiskaming
Average elevation: 1,037 ft
Rye
Canada > Ontario > Parry Sound District > Unorganized Centre Parry Sound
Average elevation: 1,129 ft
St. Catharines
Canada > Ontario > Niagara Region
The most defining transportation icon of St. Catharines is the Welland Canal, a ship canal that runs 43.4 kilometres (27.0 mi), passing through the city. Four of its locks are within city boundaries. The canal allows shipping vessels to traverse the 99.5-metre (326.5 ft) drop in altitude from Lake Erie to Lake…
Average elevation: 338 ft
Timmus Lake
Canada > Ontario > Thunder Bay District > Unorganized Thunder Bay District
Average elevation: 1,512 ft
Darlington Provincial Park
Canada > Ontario > Durham Region > Clarington
Darlington Provincial Park is a provincial park in Ontario, Canada. It is located just south of Highway 401 in the city of Bowmanville. A small park, the topography is dominated by gentle hills formed by a terminal moraine deposited by glaciers at the end of the last Ice Age. The park borders on the northern…
Average elevation: 276 ft
Larder Lake
Canada > Ontario > Timiskaming District > Larder Lake Township > Larder Lake
Average elevation: 991 ft
Dundas
Canada > Ontario > Hamilton > Dundas
Dundas /ˈdʌnˌdæs/ is a community and former town in Hamilton, Ontario, Canada. It is nicknamed the Valley Town because of its topographical location at the bottom of the Niagara Escarpment on the western edge of Lake Ontario. The population has been stable for decades at about twenty thousand, largely…
Average elevation: 561 ft
