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Lake · Washington

Potholes Reservoir

292 m958 ft
Tonight
35°FFair · Wind 3 mph N

Potholes Reservoir is a lake at 292 m above sea level in Washington, United States.

All facts
Surface elevation
292 m
Open the 3D view
3D map

Potholes Reservoir 3D map

Drag to orbit · click, then scroll to zoom (or Ctrl/⌘ + scroll) · One finger scrolls the page · two fingers orbit and zoom · 4 × 4 km

Surface
Vertical scale
Topographic map

Potholes Reservoir terrain and contours

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

Potholes Reservoir 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

Potholes Reservoir weather

Tonight · Fair · 35°F (2°C) · Wind 3 mph N

Potholes Reservoir forecast for about 305 m.

  • Tonight35°–3 mph N
  • Sat38°55°3%3 mph E
  • Sun41°56°20%1–5 mph N
  • Mon40°56°16%2–9 mph NW
  • Tue39°55°22%3 mph W
  • Wed37°54°22%6 mph N
  • Thu35°53°6%1–9 mph N

Forecast data: NOAA National Weather Service, public domain, model run Oct 23, 22:52 UTC.

Camping & parking

Camping & parking near Potholes Reservoir

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

  • Nearest parking

    O'Sullivan Dam Parking

    0.3 km E · +2 more within 2.0 km

    DirectionsMap

  • Nearest caravan site

    MarDon Resort

    3.2 km SW · +2 more within 4.4 km

    DirectionsMap

  • Nearest campsite

    Potholes State Park Campground

    4.6 km W

    DirectionsMap
All mapped places 7
PlaceDistance
O'Sullivan Dam ParkingParking0.3 km E
Parking1.7 km ESE
Medicare East Water Access SiteParking2.0 km ENE
MarDon ResortCaravan site3.2 km SW
The Last Resort RV ParkCaravan site4.3 km WSW
O'Sullivan Sportsman ResortCaravan site4.4 km WSW
Potholes State Park CampgroundCampsite4.6 km W
Slope

Slope

Share of the 4 × 4 km view by steepness, from the 10 m model.

Mostly gentle: 92% of the view is under 15°.

Gentle, 0–15°
91.9%
Moderate, 15–30°
6.6%
Steep, 30–45°
1.4%
Cliffs, 45° and over
0.1%
Steeper than 30°
1.5% of the 16 km² view
Relief in view
89 m low point 271 m
Land cover

Land cover

ESA WorldCover 10 m classification of the same area.

Grassland 46.2%Water 42.2%Cropland 5.4%Trees 4.1%Bare rock / sparse 1.3%Built-up 0.9%

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 2 km; 111 species recorded in all.

Sightings per species 6
  • Snow Goose24
  • Forster's Tern23
  • Ring-billed Gull9
  • Western Grebe7
  • Canada Goose7
  • American White Pelican6
Where it sits

Where Potholes Reservoir sits

Region
Washington57United States932North America1,313
Nearby

Nearby places

More 1
Downloads

Potholes Reservoir 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/potholes-reservoir" width="100%" height="480" style="border:0" loading="lazy" allowfullscreen title="3D terrain of Potholes Reservoir"></iframe> <p><a href="https://topolu.com/potholes-reservoir" 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 2026-07-30)
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)
Wildlife
iNaturalist community observations, counts only
Forecast
Weather forecast from NOAA National Weather Service (public domain)
Sources
Wikidata · GeoNames · Wikipedia