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Fishing Quincy Lake: what the data says
48-acre lake near Grant County. The lake tops out around 20 ft. The depth chart is built from real state fisheries GPS surveys, so the humps, channels and drop-offs you see are measured, not guessed. Here is how the season plays out for each species, straight from the data behind the map.
Rainbow Trout fishing at Quincy Lake
In spring, rainbow trout run shallow here, mostly 5 to 20 ft. Summer fish stay in 5 to 20 ft, and winter fish hold in 4 to 20 ft. Break off the point is the standout, a drop-off at roughly 11 ft, rated prime for winter rainbow trout. Best bite is early morning and the evening. Tie on a dodger + spoon (deep troll) or a flutter spoon and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 5 to 20 ft | dawn & dusk | Inline spinner (silver), Small spoon |
| Summer | 5 to 20 ft | dawn & dusk | Dodger + spoon (deep troll), Flutter spoon |
| Fall | 6 to 20 ft | dawn & dusk | Casting spoon, Jerkbait over shoals |
| Winter | 4 to 20 ft | dawn | Jigging spoon, Tube jig (white) |
Notable structure
- Deep basin: deep basin, around 20 ft
- Break off the point: drop-off, around 11 ft
- Secondary point: point, around 10 ft
- Main-lake point: point, around 6 ft
- Back-bay flat: weed flat, around 5 ft
- Shallow bay flat: weed flat, around 4 ft
Common questions
How deep is Quincy Lake?
Quincy Lake is about 20 ft at its deepest point. The depth chart here comes from real state fisheries GPS surveys, so the contours reflect measured depths.
What fish are in Quincy Lake?
Anglers target rainbow trout on Quincy Lake.
Where is the best fishing spot on Quincy Lake?
Break off the point is the top-rated area: a drop-off in about 11 ft of water that rates prime for rainbow trout in winter. Open the map above to see every rated spot for each species and season.
When is the best time to fish Quincy Lake?
For rainbow trout, the summer bite is best in early morning and the evening. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.
Nearby waters
Burke Lake · Stan Coffin Lake · Evergreen Reservoir · Meadow Lake · Lake Cortez · Soap Lake
See how Quincy Lake stacks up: best rainbow trout lakes in Washington
Browse all Washington fishing maps or every water on DepthScout. Bathymetry credit: state fisheries survey programs. How we build these maps. For fishing guidance only, never navigation.