Lake · Alaska

Iliamna Lake

13 m43 ft

Area: 2,632 km²
Max depth: 301 m
Tonight: 43°FLight rain · Wind 30–35 mph SE

Iliamna Lake is a lake at 13 m above sea level in Alaska, United States, 2,632 km² in area and 123.9 km long.

All facts

Surface elevation: 13 m
Length: 123.9 km
Shoreline: 1,101.6 km

Open the 3D view

3D map

Iliamna 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

Iliamna Lake topographic map

5 m contours from the USGS 3DEP 10 m 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

Iliamna 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

Iliamna 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

JPGIliamna Lake satellite image (JPEG)Sentinel-2 true-colour image of the same area, taken 2025-09-29.

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

Free to use with credit: see the data sources

Lake

Iliamna Lake in numbers

Shoreline from OpenStreetMap.

Shoreline: 1,101.6 km

Weather

Iliamna Lake weather

Today · Light rain at night · 43 / 44°F (6 / 7°C) · 60% chance of precipitation · Wind 30 mph SE

Iliamna Lake forecast for about 14 m.

Today43°44°60%30 mph SE
Sat41°45°87%25–30 mph SE
Sun40°44°63%0–10 mph S
Mon41°45°63%15 mph SW
Tue38°46°6%5 mph W
Wed39°46°30%5–10 mph E
Thu41°46°62%5–15 mph E

Forecast data: NOAA National Weather Service, public domain, model run Oct 23, 21:04 UTC.

Slope

Share of the 20 × 20 km view by steepness, from the 10 m model.

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

Gentle, 0–15°

99.5%

Moderate, 15–30°

0.5%

Steep, 30–45°

0.0%

Cliffs, 45° and over

0.0%

Steeper than 30°: 0.0% of the 400 km² view
Relief in view: 128 m low point 11 m

Land cover

ESA WorldCover 10 m classification of the same area.

Water 59.6%Grassland 30.3%Trees 6.4%Wetland 2.0%Moss & lichen 1.6%

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

Where it sits

Where Iliamna Lake sits

Nearby

Nearby places

Sources

Data sources

Terrain: U.S. Geological Survey, 3D Elevation Program (public domain)
Imagery: Contains modified Copernicus Sentinel data 2025 (scene 2025-09-29)
Land cover: © ESA WorldCover project 2021 / Contains modified Copernicus Sentinel data (2021) processed by ESA WorldCover consortium
Facts: Wikidata (CC0)
Panorama: Includes Copernicus WorldDEM-90 © 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.
Forecast: Weather forecast from NOAA National Weather Service (public domain)
Sources: Wikidata · GeoNames · Wikipedia