Lake · Northwest Territories

Great Slave Lake

155 m509 ft

Area: 26,217 km²
Max depth: 614 m
Tonight: 1°CPartly cloudy · Wind 26 km/h N

Great Slave Lake is a lake at 155 m above sea level in Northwest Territories, Canada, 26,217 km² in area and 442.4 km long.

All facts

Surface elevation: 155 m
Length: 442.4 km
Shoreline: 10,511.3 km

Open the 3D view

3D map

Great Slave Lake 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

Great Slave Lake topographic map

2 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 10 mShowing west → east through the centre

Great Slave Lake 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

Great Slave Lake 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

JPGGreat Slave Lake satellite image (JPEG)Sentinel-2 true-colour image of the same area, taken 2026-07-15.

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

Free to use with credit: see the data sources

Lake

Great Slave Lake in numbers

Shoreline from OpenStreetMap.

Shoreline: 10,511.3 km

Weather

Great Slave Lake weather

Today · Fair · 1 / 2°C (34 / 36°F) · Wind 26 km/h N

Great Slave Lake forecast for about 155 m.

Today1°2°–26 km/h N
Sat0°1°–30 km/h N
Sun1°3°–39 km/h S
Mon2°4°–38 km/h S
Tue1°2°1.7 mm31 km/h N
Wed0°2°0.8 mm27 km/h N
Thu0°0°0.6 mm24 km/h SW
Fri2°3°–39 km/h S
Sat1°3°–40 km/h S
Sun3°4°–26 km/h SW

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°

100.0%

Moderate, 15–30°

0.0%

Steep, 30–45°

0.0%

Cliffs, 45° and over

0.0%

Steeper than 30°: 0.0% of the 400 km² view
Relief in view: 31 m low point 154 m

Land cover

ESA WorldCover 10 m classification of the same area.

Water 72.8%Trees 14.0%Grassland 9.3%Shrubland 2.6%Wetland 1.0%

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

Where it sits

Where Great Slave Lake sits

Nearby

Nearby places

Frame Lake71 km N

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 2026-07-15)
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