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

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

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 : 305 m

Altitude moyenne : 432 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

Altitude moyenne : 96 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

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

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

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

Altitude moyenne : 148 m

This region of Ontario has cold winters and warm, humid summers, falling into the Köppen climate classification Dfb zone (humid continental), 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…

Altitude moyenne : 335 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 : 469 m

Altitude moyenne : 300 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 : 248 m

Altitude moyenne : 223 m

Altitude moyenne : 386 m

The Town of Wasaga Beach covers an area of 61.13 square kilometres (23.60 sq mi) comprised 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…

Altitude moyenne : 190 m

Altitude moyenne : 318 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

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 : 239 m

Kirkland Lake is located in the resource-rich Precambrian Shield, an ancient geological core of the North American continent. Nearby is the Arctic Watershed, a drainage divide at an elevation of 318 m (1,043 ft). Rivers south of that elevation flow into a drainage basin which includes Lake Ontario and the…

Altitude moyenne : 332 m

Altitude moyenne : 221 m

Altitude moyenne : 116 m

Altitude moyenne : 249 m

Altitude moyenne : 240 m

Altitude moyenne : 169 m

Altitude moyenne : 288 m

Altitude moyenne : 178 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,…

Altitude moyenne : 263 m

Altitude moyenne : 276 m

Altitude moyenne : 183 m

Altitude moyenne : 328 m

Altitude moyenne : 266 m

Altitude moyenne : 364 m

Altitude moyenne : 141 m

Altitude moyenne : 179 m

Altitude moyenne : 244 m

Altitude moyenne : 307 m

Altitude moyenne : 183 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

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 : 139 m

Altitude moyenne : 277 m

Altitude moyenne : 229 m

Altitude moyenne : 367 m

Altitude moyenne : 259 m

Altitude moyenne : 220 m

Altitude moyenne : 302 m

Altitude moyenne : 298 m

Altitude moyenne : 108 m

Altitude moyenne : 370 m

Altitude moyenne : 336 m

Altitude moyenne : 192 m

Altitude moyenne : 189 m

Altitude moyenne : 284 m

Mono is a rural community in both geography and character. It has a wide variation in topography, being composed of mostly rolling, tree-covered hills. It holds many streams and creeks which form the headwaters of three rivers - the Humber River, Nottawasaga River and Credit River and most of the town is…

Altitude moyenne : 440 m

Altitude moyenne : 181 m

Altitude moyenne : 324 m

Altitude moyenne : 66 m

Altitude moyenne : 415 m

Altitude moyenne : 332 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 : 179 m

The stagnant waters of the lake caused a wave of deadly fevers in the surrounding farms, and the new lake limits quickly became very unpopular with the local residents. On one day in the summer of 1838, settlers from the countryside surrounding the lake rose up and using axes, flintlocks and pitchforks, tore…

Altitude moyenne : 269 m

Altitude moyenne : 336 m

Altitude moyenne : 247 m

Altitude moyenne : 381 m

Altitude moyenne : 229 m

Altitude moyenne : 162 m

Altitude moyenne : 77 m

Altitude moyenne : 373 m

Altitude moyenne : 403 m

Most of the locks are still hand-operated. There are a total of 45 locks at 23 stations along the canal, plus two locks (locks 33 and 34) at the entrance to the Tay Canal (leading to Perth). The elevation between the Ottawa River and its summit at Upper Rideau Lake, is 83 metres (273 feet), the elevation…

Altitude moyenne : 69 m

Altitude moyenne : 82 m

Altitude moyenne : 466 m

Altitude moyenne : 103 m

Altitude moyenne : 473 m

Altitude moyenne : 220 m

Altitude moyenne : 190 m

The climate in North Bay is common to most places in Northern Ontario. North Bay tends to be a less humid climate than that found in Southern Ontario due somewhat to the distance from the Great Lakes and less warm than some other locations in Northern Ontario due to cooling from Lake Nipissing. On May 31,…

Altitude moyenne : 266 m

Altitude moyenne : 128 m

Altitude moyenne : 183 m

Altitude moyenne : 237 m

Altitude moyenne : 243 m

Altitude moyenne : 175 m

Altitude moyenne : 348 m

Altitude moyenne : 188 m

Altitude moyenne : 451 m

Altitude moyenne : 367 m

Altitude moyenne : 190 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…

Altitude moyenne : 93 m

Altitude moyenne : 84 m