Lake · Quebec

Lake St. John

99 m325 ft

Area: 1,030 km²
Max depth: 63 m
Tonight: 2°CClear · Wind 11 km/h NW

Lake St. John is a lake at 99 m above sea level in Quebec, Canada, 1,030 km² in area and 48.1 km long.

All facts

Surface elevation: 99 m
Length: 48.1 km
Shoreline: 259.4 km

Open the 3D view

Lake

Lake St. John in numbers

Shoreline from OpenStreetMap.

Shoreline: 259.4 km

3D map

Lake St. John 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 St. John terrain and contours

5 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 25 mShowing west → east through the centre

Lake St. John 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.

Weather

Lake St. John weather

Tonight · Clear · 2°C (36°F) · Wind 11 km/h NW

Lake St. John forecast for about 99 m.

Tonight2°–11 km/h NW
Sat2°11°–23 km/h S
Sun6°14°1.5 mm31 km/h SW
Mon2°9°–37 km/h NW
Tue1°4°–24 km/h NW
Wed0°5°–15 km/h SW
Thu3°6°2.4 mm12 km/h SE
Fri2°8°–24 km/h W
Sat4°8°2.3 mm13 km/h SE
Sun7°13°–22 km/h S

Forecast data: MET Norway, CC BY 4.0; daily low and high, precipitation total and strongest wind from the hourly data, model run Oct 24, 01:17 UTC.

Slope

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

Mostly gentle: 100% of the view is under 15°.

Gentle, 0–15°

99.6%

Moderate, 15–30°

0.4%

Steep, 30–45°

0.0%

Cliffs, 45° and over

0.0%

Steeper than 30°: 0.0% of the 400 km² view
Relief in view: 73 m low point 95 m

Land cover

ESA WorldCover 10 m classification of the same area.

Water 65.9%Trees 17.5%Grassland 12.3%Wetland 2.3%Cropland 1.3%

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

Wildlife

Wildlife seen nearby

Sightings of the most-seen species on iNaturalist (research grade) within 10 km; 531 species recorded in all.

Sightings per species 6

Purple pitcher plant31
Sheep laurel22
Sweetfern22
Black spruce20
Bog Labrador Tea20
American Toad19

Where it sits

Where Lake St. John sits

Nearby

Nearby places

Downloads

Lake St. John 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 St. John satellite image (JPEG)Sentinel-2 true-colour image of the same area, taken 2026-09-26.

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

Free to use with credit: see the data sources

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 2026-09-26)
Land cover: © ESA WorldCover project 2021 / Contains modified Copernicus Sentinel data (2021) processed by ESA WorldCover consortium
Facts: Wikidata (CC0)
Wildlife: iNaturalist community observations, counts only
Forecast: Weather forecast from MET Norway (CC BY 4.0)
Sources: Wikidata · GeoNames · Wikipedia