Lake · New York

Lake Ontario

74 m243 ft

Area: 18,961 km²
Max depth: 244 m

Lake Ontario is a lake at 74 m above sea level in New York, United States, 18,961 km² in area and 321.1 km long.

All facts

Surface elevation: 74 m
Length: 321.1 km
Shoreline: 2,461.5 km

Open the 3D view

3D map

Lake Ontario 3D map

Drag to orbit · click, then scroll to zoom (or Ctrl/⌘ + scroll) · One finger scrolls the page · two fingers orbit and zoom · 20 × 20 km

Surface

Vertical scale

Topographic map

Lake Ontario topographic map

10 m contours from the Copernicus GLO-30 terrain model. Click two points on the map to draw your own cross-section.Tap two points on the map to draw your own cross-section.

Index contours every 50 mShowing west → east through the centre

Lake Ontario elevation profile

West → east through the centre

Hover the profile to read elevation and distance.Tap or drag along the profile to read elevation and distance.

Downloads

Lake Ontario downloads: topographic map, heightmap, STL 3D model and DEM

Free files made in your browser from this page's terrain data. No sign-up; credit the sources below.

Print & wall

JPGLake Ontario satellite image (JPEG)Sentinel-2 true-colour image of the same area, taken 2026-07-19.

3D printing & 3D apps

GIS & GPS

</>Embed this mapPaste this into your site to show the interactive 3D terrain, with a credit link back here.

<iframe src="https://topolu.com/embed/lake-ontario" width="100%" height="480" style="border:0" loading="lazy" allowfullscreen title="3D terrain of Lake Ontario"></iframe>
<p><a href="https://topolu.com/lake-ontario" rel="nofollow">Topolu</a></p>

Free to use with credit: see the data sources

Lake

Lake Ontario in numbers

Shoreline from OpenStreetMap.

Shoreline: 2,461.5 km

Weather

Lake Ontario weather

Lake Ontario forecast for about 74 m: unavailable right now. Try again in a few minutes.

Forecast data: NOAA National Weather Service, public domain.

Slope

Share of the 20 × 20 km view by steepness, from the 30 m model.

Mostly gentle: 99% of the view is under 15°.

Gentle, 0–15°

98.9%

Moderate, 15–30°

1.1%

Steep, 30–45°

0.0%

Cliffs, 45° and over

0.0%

Steeper than 30°: 0.0% of the 400 km² view
Relief in view: 227 m low point 72 m

Land cover

ESA WorldCover 10 m classification of the same area.

Water 52.9%Trees 19.7%Cropland 14.3%Grassland 9.7%Built-up 3.3%

Snow & ice means glaciers and year-round snow (a yearly average), not today’s snow cover.

Where it sits

Where Lake Ontario sits

Nearby

Nearby places

More 1

Moira Lake153 m81 km NE

Sources

Data sources

Terrain: Produced using Copernicus WorldDEM-30 © DLR e.V. 2010-2014 and © Airbus Defence and Space GmbH 2014-2018 provided under COPERNICUS by the European Union and ESA; all rights reserved. The European Union, ESA, DLR and Airbus incur no liability for any use of this data and do not endorse this service.
Imagery: Contains modified Copernicus Sentinel data 2026 (scene 2026-07-19)
Land cover: © ESA WorldCover project 2021 / Contains modified Copernicus Sentinel data (2021) processed by ESA WorldCover consortium
Facts: Wikidata (CC0)
Forecast: Weather forecast from NOAA National Weather Service (public domain)
Sources: Wikidata · GeoNames · Wikipedia