
Lake Washington
- Area
- 88 km²
- Max depth
- 65 m
- Tonight
- 41°FPartly cloudy · Wind 2 mph ESE
Lake Washington is a lake at 5 m above sea level in Washington, United States, 88 km² in area and 28.8 km long.
All facts
- Surface elevation
- 5 m
- Length
- 28.8 km
- Shoreline
- 135.0 km
Lake Washington 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
Lake Washington topographic map
20 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.
Lake Washington elevation profile
West → east through the centre
Lake Washington 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
Free to use with credit: see the data sources
Lake Washington in numbers
Shoreline from OpenStreetMap.
- Shoreline
- 135.0 km
Lake Washington weather
Tonight · Partly cloudy · 41°F (5°C) · 4% chance of precipitation · Wind 2 mph ESE
Lake Washington forecast for about 1 m.
- Tonight41°4%2 mph ESE
- Sat45°56°51%2 mph S
- Sun46°58°51%2 mph NNE
- Mon46°58°15%3 mph N
- Tue45°58°28%2 mph SSW
- Wed42°57°26%6 mph NE
- Thu42°58°8%3 mph NNE
Forecast data: NOAA National Weather Service, public domain, model run Oct 23, 18:26 UTC.
Camping & parking near Lake Washington
Campsites, parking, trailheads and mountain huts mapped in OpenStreetMap around Lake Washington, nearest first, by straight-line distance. Check access, fees and permits locally.
Nearest parking
1.4 km WNW
Nearest trailhead
5.2 km N
Slope
Share of the 20 × 20 km view by steepness, from the 10 m model.
Mostly gentle: 94% of the view is under 15°.
- Steeper than 30°
- 0.7% of the 400 km² view
- Relief in view
- 344 m low point -16 m
Land cover
ESA WorldCover 10 m classification of the same area.
Snow & ice means glaciers and year-round snow (a yearly average), not today’s snow cover.
Nearby summits
Named peaks within 10 km of Lake Washington.
Summit list 4
- 1Capitol Hill135 m 2.9 km W
- 2Cherry Hill132 m 3.0 km WSW
- 3First Hill112 m 4.3 km SW
- 4Promontory Point29 m 5.0 km NNE
Where Lake Washington sits
- Region
- Washington57United States932North America1,313
Nearby places
Lake Union↑4.4 km W
Green Lake↑6.8 km NW
Haller Lake↑11 km NNW
Bitter Lake↑12 km NNW
Lake Sammamish9 m↑14 km E
More 1
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)