Lakes / Washington / Banks Lake
Banks Lake, Washington
26,879 acres
Surface Area
1,569 ft
Surface Elevation
Where It Sits, and How Deep It Goes
Locator - Washington
47.81 degrees N, 119.19 degrees W - Grant 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 Banks Lake Stacks Up
- Ranks #4 for surface area among the Washington lakes counted so far - 26,879 acres.
- The largest lake in Grant County among those counted.
- About 83 miles from Spokane, as the crow flies.
- 12 fish species on the WDFW list for this lake.
Fish Species
Black crappieBluegillBurbotChannel catfishCommon carpKokaneeLake whitefishLargemouth bassRainbow troutSmallmouth bassWalleyeYellow perch
Species recorded for this lake. Presence only - no abundance ratings.
Facts and Figures
Waterbody ID147546723
CountyGrant
Lake TypeLake
Coordinates47.8060, -119.1917
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 147546723). Verified October 30, 2026.