Lakes / Washington / Diamond Lake
Diamond Lake, Pend Oreille County, Washington
753 acres
Surface Area
About 55 ft
Max Depth (Approximate)
2,346 ft
Surface Elevation
Where It Sits, and How Deep It Goes
Locator - Washington
48.13 degrees N, 117.20 degrees W - Pend Oreille County. State and county outlines drawn from Census boundary data; the lake marker is placed by its Washington DFW coordinates, not by eye. Schematic - not a survey map.
Depth Profile - Diamond Lake
Schematic cross-section drawn to one shared depth scale - not a survey or bathymetric map. Max depth is approximate, from Washington Dept. of Ecology bathymetry.
How Diamond Lake Stacks Up
- About 34 miles from Spokane, as the crow flies.
- 8 fish species on the WDFW list for this lake.
Fish Species
Black crappieBrown bullheadBrown troutGreen sunfishLargemouth bassPumpkinseed SunfishRainbow troutYellow perch
Species recorded for this lake. Presence only - no abundance ratings.
Facts and Figures
Waterbody ID129647240
CountyPend Oreille
Lake TypeLake
Coordinates48.1281, -117.2011
Largest Lakes in Washington
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Franklin D Roosevelt Lake | Ferry | 71,323 acres | - |
| 2 | Lake Umatilla | Klickitat | 50,042 acres | - |
| 3 | Lake Chelan | Chelan | 32,677 acres | About 1,500 ft |
| 4 | Banks Lake | Grant | 26,879 acres | - |
| 5 | Lake Wallula | Benton | 26,343 acres | - |
Sources: Washington DFW; USGS NHD via WA Dept of Ecology lake data (ID 129647240); Washington Dept. of Ecology bathymetry (approximate max depth). Verified October 30, 2026.