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Fishing Duncan Lake: what the data says
661-acre lake near British Columbia. The lake tops out around 167 ft. The contours are modeled from the water's real shoreline and maximum depth. Treat them as a rough guide, and never use them for navigation. Below is the species-by-species picture, pulled from the same data the map uses.
Rainbow Trout fishing at Duncan Lake
Spring rainbow trout on Duncan Lake hold shallow, usually 5 to 20 ft. They move out to 8 to 30 ft in summer and finish the year down in 8 to 40 ft. The spot to know is Shallow bay flat, a weed flat in about 6 ft of water that rates good for rainbow trout in spring. Plan around early morning and the evening in the warm months. Summer baits: a dodger + spoon (deep troll) or a flutter spoon gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 5 to 20 ft | dawn & dusk | Inline spinner (silver), Small spoon |
| Summer | 8 to 30 ft | dawn & dusk | Dodger + spoon (deep troll), Flutter spoon |
| Fall | 10 to 35 ft | dawn & dusk | Casting spoon, Jerkbait over shoals |
| Winter | 8 to 40 ft | dawn | Jigging spoon, Tube jig (white) |
Lake Whitefish fishing at Duncan Lake
In spring, lake whitefish run shallow here, mostly 15 to 45 ft. Summer pushes them deeper, 40 to 90 ft, and winter fish settle into 25 to 70 ft. If you only fish one area, make it Break off the point: a drop-off around 75 ft that scores prime in summer. In summer the feeding windows fall in early morning. A blade bait vertical or a small jigging spoon covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 15 to 45 ft | midday & dawn | Small jig + waxworm, Blade bait (small) |
| Summer | 40 to 90 ft | dawn | Blade bait vertical, Small jigging spoon |
| Fall | 8 to 30 ft | dusk | Small spoon (gold), Jig + plastic larva |
| Winter | 25 to 70 ft | midday & dawn | Jigging spoon + bead chain, Tungsten jig + waxie |
Notable structure
- Deep basin: deep basin, around 142 ft
- Break off the point: drop-off, around 75 ft
- Main-lake point: point, around 42 ft
- Secondary point: point, around 42 ft
- Shallow bay flat: weed flat, around 6 ft
- Back-bay flat: weed flat, around 6 ft
Common questions
How deep is Duncan Lake?
Duncan Lake is about 167 ft (51 m) deep at its deepest point. The contours here are modeled from the water's real shape and maximum depth, so treat them as a rough guide.
What fish are in Duncan Lake?
Anglers target rainbow trout, lake whitefish on Duncan Lake.
Where is the best fishing spot on Duncan Lake?
Break off the point is the top-rated area: a drop-off in about 75 ft of water that rates prime for lake whitefish in summer. Open the map above to see every rated spot for each species and season.
When is the best time to fish Duncan 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
Bicknell Lake · Thorne Lake · Budd Lake · Fredrikson Lake · Black Lake · Toodoggone Lake
See how Duncan Lake stacks up: best rainbow trout lakes in British Columbia · best lake whitefish lakes in British Columbia
Browse all British Columbia fishing maps or every water on DepthScout. How we build these maps. For fishing guidance only, never navigation.