Ontario topographic maps

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

Average elevation: 235 m

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

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

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

Average elevation: 181 m

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Average elevation: 206 m

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

Arnprior is located on the Trans-Canada Highway system, where Highway 417 to the east becomes the two-lane Highway 17 to the west. The town is served by the Arnprior Airport, elevation 108 m (355 ft), and the nearby Arnprior Water Aerodrome, elevation 100 m (330 ft), for general aviation; although there is no…

Average elevation: 93 m

Average elevation: 269 m

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Average elevation: 272 m

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The road network in Simcoe County is based on a grid pattern, with most roads running north–south or east–west. The topography of the land has permitted roads to be set in predominantly straight lines.

Average elevation: 265 m

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Average elevation: 277 m

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: 269 m

Average elevation: 295 m

Average elevation: 377 m

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Average elevation: 372 m