Geolocate

Lake Ontario topographic map

Interactive map

Click on the map to display elevation.

About this map

Name: Lake Ontario topographic map, elevation, terrain.

Location: Lake Ontario, Ontario, Canada (43.15936 -79.92534 44.36087 -76.00101)

Average elevation: 215 m

Minimum elevation: 70 m

Maximum elevation: 679 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 lake in the Great Lakes' hydrologic chain, Lake Ontario has the lowest mean surface elevation of the lakes at 243 feet (74 m) above sea level; 326 feet (99 m) lower than its neighbor upstream. Its maximum length is 193 statute miles (311 kilometres; 168 nautical miles) and its maximum width is 53 statute miles (85 km; 46 nmi). The lake's average depth is 47 fathoms 1 foot (283 ft; 86 m), with a maximum depth of 133 fathoms 4 feet (802 ft; 244 m). The lake's primary source is the Niagara River, draining Lake Erie, with the St. Lawrence River serving as the outlet. The drainage basin covers 24,720 square miles (64,030 km2). As with all the Great Lakes, water levels change both within the year (owing to seasonal changes in water input) and among years (owing to longer-term trends in precipitation). These water level fluctuations are an integral part of lake ecology, and produce and maintain extensive wetlands. The lake also has an important freshwater fishery, although it has been negatively affected by factors including over-fishing, water pollution and invasive species.

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Collingwood

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Orillia

Canada > Ontario

Orillia, Central Ontario, Ontario, Canada

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Canada > Ontario

Toronto, Golden Horseshoe, Ontario, Canada

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Canada > Ontario > Lanark County

Lanark Highlands, Lanark County, Eastern Ontario, Ontario, Canada

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Canada > Ontario > York Region > Georgina

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Wolf Island

Canada > Ontario > Kenora District > Unorganized Kenora District

Wolf Island, Unorganized Kenora District, Kenora District, Northwestern Ontario, Ontario, Canada

Average elevation: 327 m

Chatham

Canada > Ontario > Chatham-Kent

Chatham, Chatham-Kent, Southwestern Ontario, Ontario, N7M 2G6, Canada

Average elevation: 184 m

Jones Landing

Canada > Ontario > Algoma District > Unorganized North Algoma

Jones Landing, Unorganized North Algoma, Algoma District, Northeastern Ontario, Ontario, Canada

Average elevation: 225 m

Batchawana Bay

Canada > Ontario > Algoma District > Unorganized North Algoma

Batchawana Bay, Unorganized North Algoma, Algoma District, Northeastern Ontario, Ontario, P0S 1A0, Canada

Average elevation: 195 m

Greater Madawaska

Canada > Ontario > Renfrew County

Greater Madawaska, Renfrew County, Eastern Ontario, Ontario, Canada

Average elevation: 261 m

Havelock-Belmont-Methuen

Canada > Ontario > Peterborough County

Havelock-Belmont-Methuen, Peterborough County, Central Ontario, Ontario, K0L 1Z0, Canada

Average elevation: 253 m

Minnehaha Point

Canada > Ontario > Muskoka District > Georgian Bay Township

Minnehaha Point, Georgian Bay Township, District Municipality of Muskoka, Muskoka District, Central Ontario, Ontario, P0E 1E0, Canada

Average elevation: 183 m

Toronto

Canada > Ontario > Toronto

Toronto, Golden Horseshoe, Ontario, M6K 1X9, Canada

Average elevation: 113 m

Barrie

Canada > Ontario

Barrie, Central Ontario, Ontario, Canada

Average elevation: 265 m

Greater Sudbury

Canada > Ontario > Sudbury District

Greater Sudbury, Sudbury District, Northeastern Ontario, Ontario, Canada

Average elevation: 305 m

Guelph/Eramosa

Canada > Ontario > Wellington County > Guelph/Eramosa

Guelph/Eramosa, Wellington County, Southwestern Ontario, Ontario, Canada

Average elevation: 361 m

The International Falls

Canada > Ontario > Rainy River District > Fort Frances

The International Falls, Fort Frances, Rainy River District, Northwestern Ontario, Ontario, P9A 3P8, Canada

Average elevation: 341 m

Elora Gorge Conservation Area

Canada > Ontario > Centre Wellington

Elora Gorge Conservation Area, Centre Wellington, Wellington County, Ontario, N0B 1S0, Canada

Average elevation: 384 m

London

Canada > Ontario > London

London, Southwestern Ontario, Ontario, Canada

Average elevation: 263 m

Munroe Island

Canada > Ontario > Peterborough County > Douro-Dummer

Munroe Island, Douro-Dummer, Peterborough County, Central Ontario, Ontario, Canada

Average elevation: 241 m

Fort Frances

Canada > Ontario > Rainy River District > Fort Frances

Fort Frances, Rainy River District, Northwestern Ontario, Ontario, Canada

Average elevation: 343 m

Attawapiskat

Canada > Ontario > Kenora District > Attawapiskat

Attawapiskat, Kenora District, Northwestern Ontario, Ontario, P0L 1A0, Canada

Average elevation: 6 m

Guelph

Canada > Ontario > Guelph

Guelph, Southwestern Ontario, Ontario, Canada

Average elevation: 335 m

Fonthill

Canada > Ontario > Fonthill

Fonthill, Pelham, Niagara Region, Golden Horseshoe, Ontario, L3C 3H1, Canada

Average elevation: 193 m

Fergus

Canada > Ontario > Wellington County > Centre Wellington

Fergus, Centre Wellington, Wellington County, Ontario, N1M 1P6, Canada

Average elevation: 415 m

Puslinch

Canada > Ontario > Wellington County > Puslinch

Puslinch, Wellington County, Southwestern Ontario, Ontario, Canada

Average elevation: 317 m

Plattsville

Canada > Ontario > Oxford County > Blandford-Blenheim > Plattsville

Plattsville, Blandford-Blenheim, Oxford County, Southwestern Ontario, Ontario, N0J 1S0, Canada

Average elevation: 315 m

Burketon Station

Canada > Ontario > Clarington > Burketon Station

Burketon Station, Clarington, Durham Region, Golden Horseshoe, Ontario, Canada

Average elevation: 316 m

Innisfil

Canada > Ontario > Simcoe County > Innisfil

Innisfil, Simcoe County, Central Ontario, Ontario, Canada

Average elevation: 243 m

Stayner

Canada > Ontario > Simcoe County > Clearview > Stayner

Stayner, Clearview, Simcoe County, Central Ontario, Ontario, L0M 1S0, Canada

Average elevation: 222 m

Haldimand County

Canada > Ontario

Haldimand County, Southwestern Ontario, Ontario, Canada

Average elevation: 190 m

North Bay

Canada > Ontario > North Bay

North Bay, Nipissing District, Northeastern Ontario, Ontario, Canada

Average elevation: 266 m

North Kawartha

Canada > Ontario > Peterborough County

North Kawartha, Peterborough County, Central Ontario, Ontario, Canada

Average elevation: 311 m

Niagara Region

Canada > Ontario

Niagara Region, Golden Horseshoe, Ontario, Canada

Average elevation: 148 m

Wilno

Canada > Ontario > Madawaska Valley > Wilno

Wilno, Madawaska Valley, Renfrew County, Eastern Ontario, Ontario, K0J 2N0, Canada

Average elevation: 332 m

Westmeath

Canada > Ontario > Westmeath

Westmeath, Renfrew County, Eastern Ontario, Ontario, K0J 2L0, Canada

Average elevation: 123 m

Fiji Island

Canada > Ontario > Selwyn

Fiji Island, Selwyn, Peterborough County, Central Ontario, Ontario, Canada

Average elevation: 237 m

Belfountain

Canada > Ontario > Caledon > Belfountain

Belfountain, Caledon, Peel Region, Golden Horseshoe, Ontario, L7K 0E7, Canada

Average elevation: 393 m

Addington Highlands

Canada > Ontario > Addington Highlands

Addington Highlands, Lennox and Addington County, Eastern Ontario, Ontario, Canada

Average elevation: 302 m

Hamilton

Canada > Ontario > Hamilton

Hamilton, Golden Horseshoe, Ontario, L8P 0B3, Canada

Average elevation: 182 m

Thunder Bay

Canada > Ontario > Thunder Bay District > Thunder Bay

Thunder Bay, Thunder Bay District, Northwestern Ontario, Ontario, Canada

Average elevation: 240 m

York

Canada > Ontario > Toronto

York, Toronto, Golden Horseshoe, Ontario, Canada

Average elevation: 132 m

Old Toronto

Canada > Ontario

Old Toronto, Toronto, Golden Horseshoe, Ontario, Canada

Average elevation: 116 m

Orillia

Canada > Ontario > Orillia

Orillia, Central Ontario, Ontario, L3V 5A9, Canada

Average elevation: 236 m

Elora

Canada > Ontario > Elora

Elora, Wellington County, Southwestern Ontario, Ontario, N0B 1S0, Canada

Average elevation: 395 m

Leeds

Canada > Ontario > Leeds and the Thousand Islands

Leeds, Leeds and the Thousand Islands, Leeds and Grenville Counties, Eastern Ontario, Ontario, Canada

Average elevation: 104 m