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: 113 m
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: 268 m
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: 344 m
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: 255 m
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: 235 m
Scarborough
Topographically, Scarborough 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 of…
Average elevation: 138 m
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: 216 m
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: 103 m
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: 214 m
Outlet
Canada > Ontario > Leeds and Grenville Counties > Leeds and the Thousand Islands
Average elevation: 97 m
District Lake
Canada > Ontario > Thunder Bay District > Unorganized Thunder Bay District
Average elevation: 481 m
Glen Nevis
Canada > Ontario > Stormont, Dundas and Glengarry Counties > South Glengarry
Average elevation: 70 m
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: 272 m
Beckwith Island
Canada > Ontario > Simcoe County
The island's highest elevation is 226 meters (741 feet) above sea level. Like its populated neighbour Christian Island to the west, and Hope Island to the northwest, the uninhabited island is part of an Ojibwa reserve. On the mainland, Cedar Point lies directly south of the island and Thunder Beach is located…
Average elevation: 185 m
Moose Factory Island
Canada > Ontario > Cochrane District > Unorganized North Cochrane
Average elevation: 4 m
Radiant Lake
Canada > Ontario > Nipissing District > Unorganized South Nipissing
Average elevation: 295 m
Wasaga Beach
Canada > Ontario > Simcoe County
The Town of Wasaga Beach covers an area of 61.13 square kilometres (23.60 sq mi) composed predominantly of sand and loamy sand that exhibit excessive to good drainage and irregular to moderately sloping topography. The poor soil quality makes it difficult to sustain lush lawns in the town. The Canada Land…
Average elevation: 190 m
