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Lake · Washington

Lake Union

5 m16 ft
Area
2.33 km²
Tonight
41°FPartly cloudy · Wind 1 mph E

Lake Union is a lake at 5 m above sea level in Washington, United States, 2.33 km² in area and 3.3 km long.

All facts
Surface elevation
5 m
Length
3.3 km
Shoreline
11.1 km
Open the 3D view
Lake

Lake Union in numbers

Shoreline from OpenStreetMap.

3.3 km longest1 kmN ↑
Shoreline
11.1 km≈2¾ h to walk around
3D map

Lake Union 3D map

Drag to orbit · click, then scroll to zoom (or Ctrl/⌘ + scroll) · One finger scrolls the page · two fingers orbit and zoom · 5.3 × 5.3 km

Surface
Vertical scale
Topographic map

Lake Union terrain and contours

10 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 50 mShowing west → east through the centre

Lake Union 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 Union weather

Tonight · Partly cloudy · 41°F (5°C) · 4% chance of precipitation · Wind 1 mph E

Lake Union forecast for about 1 m.

  • Tonight41°4%1 mph E
  • Sat44°56°55%2 mph S
  • Sun45°57°55%5 mph NNE
  • Mon45°58°15%5 mph N
  • Tue45°57°26%3 mph S
  • Wed42°56°26%5–8 mph NE
  • Thu41°57°9%5 mph N

Forecast data: NOAA National Weather Service, public domain, model run Oct 23, 18:26 UTC.

Camping & parking

Camping & parking near Lake Union

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

  • Nearest parking

    0.3 km ENE

    +2 more within 0.5 km

    DirectionsMap

  • Nearest trailhead

    Beaver Pond Natural Area

    7.2 km N · +2 more within 7.3 km

    DirectionsMap
All mapped places 6
PlaceDistance
Parking0.3 km ENE
Parking0.5 km W
Parking0.5 km WSW
Beaver Pond Natural AreaTrailhead7.2 km N
Trailhead7.2 km NE
Beaver Pond Natural AreaTrailhead7.3 km N
Slope

Slope

Share of the 5.3 × 5.3 km view by steepness, from the 10 m model.

Mostly gentle: 93% of the view is under 15°.

Gentle, 0–15°
93.1%
Moderate, 15–30°
6.0%
Steep, 30–45°
0.8%
Cliffs, 45° and over
0.0%
Steeper than 30°
0.8% of the 28 km² view
Relief in view
150 m low point -7 m
Land cover

Land cover

ESA WorldCover 10 m classification of the same area.

Built-up 57.0%Trees 30.3%Water 10.8%Grassland 1.8%

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

Where it sits

Where Lake Union sits

Region
Washington57United States932North America1,313
Nearby

Nearby places

More 1
Downloads

Lake Union 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/lake-union" width="100%" height="480" style="border:0" loading="lazy" allowfullscreen title="3D terrain of Lake Union"></iframe> <p><a href="https://topolu.com/lake-union" 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 2026-08-07)
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)
Forecast
Weather forecast from NOAA National Weather Service (public domain)
Sources
Wikidata · GeoNames · Wikipedia