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Begich Peak · 1,409 m · 6.0 km N
Lake · Alaska

Portage Lake

29 m95 ft
Area
5.11 km²

Portage Lake is a lake at 29 m above sea level in Alaska, United States, 5.11 km² in area and 5.0 km long.

All facts
Surface elevation
29 m
Length
5.0 km
Shoreline
12.6 km
Open the 3D view
Lake

Portage Lake in numbers

Shoreline from OpenStreetMap.

5.0 km longest1 kmN ↑
Shoreline
12.6 km≈3¼ h to walk around
3D map

Portage Lake 3D map

Drag to orbit · click, then scroll to zoom (or Ctrl/⌘ + scroll) · One finger scrolls the page · two fingers orbit and zoom · 7 × 7 km

Surface
Vertical scale
Topographic map

Portage Lake terrain and contours

50 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 250 mShowing west → east through the centre

Portage 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.
Weather

Portage Lake weather

Portage Lake forecast for about 29 m: unavailable right now. Try again in a few minutes.

Forecast data: NOAA National Weather Service, public domain.

Camping & parking

Camping & parking near Portage Lake

Campsites, parking, trailheads and mountain huts mapped in OpenStreetMap around Portage Lake, nearest first, by straight-line distance. Check access, fees and permits locally.

  • Nearest parking

    0.8 km WSW

    +2 more within 0.8 km

  • Nearest trailhead

    1.5 km W

    +2 more within 4.7 km

  • Nearest campsite

    Freestone Ponds Campsite

    2.5 km WNW · +2 more within 5.0 km

  • Nearest caravan site

    Black Bear Campground

    4.2 km WNW · +2 more within 6.9 km

All mapped places 12
PlaceDistance
Parking0.8 km WSW
Parking0.8 km WSW
Parking0.8 km WSW
Trailhead1.5 km W
Trailhead1.7 km NW
Freestone Ponds CampsiteCampsite2.5 km WNW
Williwaw CampgroundCampsite3.6 km WNW
Black Bear CampgroundCaravan site4.2 km WNW
Portage Pass TrailheadTrailhead4.7 km E
Tangle Pond Informal CampsiteCampsite5.0 km WNW
City of Whittier CampgroundCaravan site5.3 km E
Creek CampgroundCaravan site6.9 km E
Slope

Slope

Share of the 7 × 7 km view by steepness, from the 10 m model.

Mixed terrain: gentle slopes, steep faces and everything between.

Gentle, 0–15°
33.6%
Moderate, 15–30°
28.9%
Steep, 30–45°
29.5%
Cliffs, 45° and over
8.0%
Steeper than 30°
37.5% of the 49 km² view
Relief in view
1,216 m low point 22 m
Land cover

Land cover

ESA WorldCover 10 m classification of the same area.

Snow & ice 29.5%Grassland 29.1%Trees 17.8%Water 12.6%Moss & lichen 9.3%Bare rock / sparse 1.4%

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 3.5 km; 239 species recorded in all.

Sightings per species 6
  • Dwarf Fireweed96
  • Arctic raspberry56
  • Salmonberry54
  • Sitka burnet45
  • Red-berried elder43
  • Devil's Club33
Where it sits

Where Portage Lake sits

Region
Alaska30United States943North America1,328
Nearby

Nearby places

More 1
Downloads

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

Free to use with credit: see the data sources

Sources

Data sources

Terrain
U.S. Geological Survey, 3D Elevation Program (public domain)
Imagery
Contains modified Copernicus Sentinel data 2026 (scene 2026-09-02)
Land cover
© ESA WorldCover project 2021 / Contains modified Copernicus Sentinel data (2021) processed by ESA WorldCover consortium
Facts
Wikidata (CC0)
Camping & parking, Geometry
© OpenStreetMap contributors (ODbL)
Summits
© OpenStreetMap contributors, via Overture Maps Foundation (ODbL)
Protected area
USGS Gap Analysis Project, PAD-US (public domain)
Wildlife
iNaturalist community observations, counts only
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