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Fishing Duncan Lake: what the data says
17,972-acre lake near British Columbia. The lake tops out around 385 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. What follows comes from the same scoring engine that paints the spots above.
Brook Trout fishing at Duncan Lake
Spring brook trout on Duncan Lake hold shallow, usually 2 to 15 ft. By summer they slide out to 10 to 30 ft, and by winter most fish are in 3 to 20 ft. Shallow bay flat is the standout, a weed flat at roughly 6 ft, rated good for spring brook trout. Plan around early morning and the evening in the warm months. A small spoon fished deep or a trolled lake-clear wobbler + worm covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 15 ft | dawn & dusk | Small inline spinner (gold), Tiny spoon |
| Summer | 10 to 30 ft | dawn & dusk | Small spoon fished deep, Trolled lake-clear wobbler + worm |
| Fall | 2 to 15 ft | midday & dawn | Small spoon (orange), Spinner |
| Winter | 3 to 20 ft | dawn | Small jigging spoon, Tungsten jig + plastic |
Burbot fishing at Duncan Lake
Spring burbot on Duncan Lake hold shallow, usually 25 to 70 ft. They move out to 50 to 120 ft in summer and finish the year down in 15 to 60 ft. The spot to know is Offshore hump, a offshore hump in about 57.59234702560953 ft of water that rates prime for burbot in winter. Plan around after dark and midday in the warm months. Summer baits: a heavy jig + cut bait gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 25 to 70 ft | night & dusk | Glow jigging spoon + cut bait, Rattle bait (dark) |
| Summer | 50 to 120 ft | night & midday | Heavy jig + cut bait |
| Fall | 30 to 80 ft | night & dusk | Glow spoon + minnow head, Blade bait (slow) |
| Winter | 15 to 60 ft | night & dusk | Glow tungsten + cut bait, Rattle spoon + minnow head |
Kokanee fishing at Duncan Lake
Start shallow in spring: kokanee sit in 10 to 30 ft that time of year. They move out to 30 to 70 ft in summer and finish the year down in 20 to 80 ft. If you only fish one area, make it Offshore hump: a offshore hump around 57.59234702560953 ft that scores prime in summer. Plan around early morning in the warm months. A dodger + pink/orange squid on downrigger or a kokanee bug + corn covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 10 to 30 ft | dawn | Small dodger + squid (pink), Wedding-ring spinner + corn |
| Summer | 30 to 70 ft | dawn | Dodger + pink/orange squid on downrigger, Kokanee bug + corn |
| Fall | 5 to 40 ft | dawn | Dodger + squid (deeper red/purple), Small spoon |
| Winter | 20 to 80 ft | dawn | Small glow jig + corn or maggot, Tiny spoon |
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. They move out to 40 to 90 ft in summer and finish the year down in 25 to 70 ft. If you only fish one area, make it Offshore hump: a offshore hump around 57.59234702560953 ft that scores prime in summer. Best bite is early morning. Summer baits: a blade bait vertical or a small jigging spoon gets it done.
| 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 327 ft
- Deep break: drop-off, around 198 ft
- Sharp break: drop-off, around 170.9819506060852 ft
- Offshore hump: offshore hump, around 96.53574417880755 ft
- Main-lake point: point, around 96 ft
- Secondary point: point, around 96 ft
- Offshore hump: offshore hump, around 94.14449963126222 ft
- Offshore hump: offshore hump, around 57.59234702560953 ft
- Sharp break: drop-off, around 48.80707221880715 ft
- Offshore hump: offshore hump, around 48.6266807363606 ft
- Shoreline point: point, around 48.54981899430262 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 385 ft (117 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, brook trout, kokanee, lake whitefish, burbot on Duncan Lake.
Where is the best fishing spot on Duncan Lake?
Offshore hump is the top-rated area: a offshore hump in about 57.59234702560953 ft of water that rates prime for burbot in winter. Open the map above to see every rated spot for each species and season.
When is the best time to fish Duncan Lake?
For brook 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
Fish Lake · Trout Lake · Beaver Lake · Mirror Lake · Rocky Point Lake · Little Wilson Lake
See how Duncan Lake stacks up: best rainbow trout lakes in British Columbia · best brook trout lakes in British Columbia · best kokanee 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.