Lakes / Washington / Lake Bonneville
Lake Bonneville, Washington
19,452 acres
Surface Area
80 ft
Surface Elevation
Where It Sits, and How Deep It Goes
Locator - Washington
45.71 degrees N, 121.57 degrees W - Skamania 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.
How Lake Bonneville Stacks Up
- Ranks #7 for surface area among the Washington lakes counted so far - 19,452 acres.
- The largest lake in Skamania County among those counted.
- About 112 miles from Olympia, as the crow flies.
Facts and Figures
Waterbody ID{C96EF4C9-17A1-4F47-971A-BD7C31FCE5B0}
CountySkamania
Lake TypeLake
Coordinates45.7097, -121.5663
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: USGS NHD via WA Dept of Ecology lake data (ID {C96EF4C9-17A1-4F47-971A-BD7C31FCE5B0}). Verified October 30, 2026.