Carte topographique Niagara Escarpment

Ottawa, the capital city of Canada, is situated on the south bank of the Ottawa River at the confluence with the Rideau River. The city's topography is characterized by gently rolling terrain with elevations ranging from approximately 44 meters (144 feet) above sea level at the Ottawa River to its highest…

Altitude moyenne : 105 m

The shoreline of former Glacial Lake Iroquois roughly follows the Dundas Street alignment, although it is not noticeable in some places but is more prominent in others, such as the site of the former brickyard (Shoreline Dr. near Mavis Rd.), the ancient shoreline promenteau affords a clear view of downtown…

Altitude moyenne : 151 m

Altitude moyenne : 248 m

Altitude moyenne : 341 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…

Altitude moyenne : 214 m

Altitude moyenne : 305 m

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) above sea level near the York University grounds in the city's north end at…

Altitude moyenne : 139 m

Newmarket's geographical coordinates are 44.05°N, 79.46°W, and its elevation above sea level is 252 m. It has an area of 38.33 km². The town is bounded on the south by Aurora, on the west by King, on the north by East Gwillimbury and on the east by Whitchurch–Stouffville.

Altitude moyenne : 270 m

Altitude moyenne : 386 m

On September 7, 1977, a private aircraft, flown by "Army" Hollingsworth, dropped altitude to 500 feet (152 m) in dense fog and struck CKVR's 1,000-foot (305 m) transmitter tower, killing all five people aboard the plane and destroying the tower and antenna. The station's 225-foot (69 m) auxiliary tower was…

Altitude moyenne : 265 m

Altitude moyenne : 235 m

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.

Altitude moyenne : 216 m

Altitude moyenne : 249 m

Altitude moyenne : 240 m

Altitude moyenne : 205 m

Altitude moyenne : 104 m

Altitude moyenne : 183 m

Altitude moyenne : 106 m

Altitude moyenne : 167 m

Altitude moyenne : 237 m

Altitude moyenne : 148 m

Altitude moyenne : 302 m

Altitude moyenne : 370 m

Altitude moyenne : 94 m

Altitude moyenne : 231 m

Altitude moyenne : 337 m

Altitude moyenne : 318 m

Along the extreme western edge of Eastern Ontario is a continuation of the Laurentian Highlands, known as the Opeongo Hills, and they contain some of the highest elevations in Southern Ontario. They stretch into the northern portions of Central Ontario, near Algonquin Provincial Park.

Altitude moyenne : 243 m

Altitude moyenne : 247 m

Altitude moyenne : 183 m

Altitude moyenne : 469 m

Altitude moyenne : 84 m

Altitude moyenne : 321 m

Altitude moyenne : 235 m

Altitude moyenne : 294 m

Its highest point, known colloquially and by surveyors as "the Mountain", is near the centre of the island near Carterton with an elevation of 345.6 m, which is about 169 m above Lake Huron.

Altitude moyenne : 196 m

Altitude moyenne : 226 m

Altitude moyenne : 96 m

Altitude moyenne : 221 m

Altitude moyenne : 234 m

The village of Richmond Hill was incorporated by a bylaw of the York County Council on June 18, 1872, coming into effect January 1, 1873. In September 1956, the Ontario Municipal Board approved its elevation to Town status, effective January 1, 1957.

Altitude moyenne : 256 m

Altitude moyenne : 222 m

Sarnia is located on the eastern shore of Lake Huron at its extreme southern point, where it flows into the St. Clair River. Most of the surrounding area is flat, and the elevation ranges from 169 metres (554 ft) and 281 metres (922 ft) above sea level. The soil mostly comprises clay. Despite this high…

Altitude moyenne : 186 m

Altitude moyenne : 348 m

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…

Altitude moyenne : 272 m

Altitude moyenne : 197 m

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…

Altitude moyenne : 139 m

Altitude moyenne : 368 m

Altitude moyenne : 112 m

Altitude moyenne : 222 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…

Altitude moyenne : 232 m

Altitude moyenne : 101 m

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…

Altitude moyenne : 103 m

Altitude moyenne : 155 m

Altitude moyenne : 141 m

Altitude moyenne : 179 m

Altitude moyenne : 209 m

Altitude moyenne : 386 m

Altitude moyenne : 223 m

Kitchener is located in Southwestern Ontario, in the Saint Lawrence Lowlands. This geological and climatic region has wet-climate soils and deciduous forests. Situated in the Grand River Valley, the area is generally above 300 m (1,000 ft) in elevation.

Altitude moyenne : 336 m

The airport's open, rural location and higher altitude results in lower temperatures, generally windier conditions, and higher snowfall amounts than lower, built-up areas of the city. The highest temperature ever recorded in Hamilton was 41.1 °C (106 °F) on July 14, 1868. The coldest temperature ever…

Altitude moyenne : 187 m

Altitude moyenne : 283 m

Altitude moyenne : 167 m

Altitude moyenne : 74 m

Altitude moyenne : 194 m

Altitude moyenne : 233 m

Altitude moyenne : 99 m

Altitude moyenne : 178 m

Altitude moyenne : 111 m

Altitude moyenne : 357 m

Altitude moyenne : 432 m

Altitude moyenne : 256 m

Altitude moyenne : 403 m

Altitude moyenne : 177 m

Altitude moyenne : 403 m

Altitude moyenne : 206 m

Altitude moyenne : 211 m

Altitude moyenne : 184 m

Altitude moyenne : 362 m

Altitude moyenne : 98 m

Altitude moyenne : 466 m

Altitude moyenne : 330 m

Altitude moyenne : 262 m

Altitude moyenne : 268 m

Altitude moyenne : 93 m

Altitude moyenne : 251 m

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.

Altitude moyenne : 265 m

Altitude moyenne : 342 m

Altitude moyenne : 190 m

Altitude moyenne : 128 m

Altitude moyenne : 248 m

Altitude moyenne : 243 m

Altitude moyenne : 188 m

Hamilton's climate is humid-continental, characterized by changeable weather patterns. In the Köppen classification, Hamilton it is on the Dfb/Dfa border found in southern Ontario because the average temperature in July is 22.0 °C (71.6 °F). However, its climate is moderate compared with most of Canada. The…

Altitude moyenne : 187 m

Altitude moyenne : 189 m

Altitude moyenne : 249 m

Altitude moyenne : 169 m

Altitude moyenne : 406 m

Altitude moyenne : 288 m

Altitude moyenne : 200 m