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Fishing Lac du Poisson Blanc: what the data says
14,991-acre lake near Québec. The lake tops out around 407 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. Below is the species-by-species picture, pulled from the same data the map uses.
Carte de pêche interactive gratuite — Lac du Poisson Blanc, Québec : courbes de profondeur issues de relevés bathymétriques réels jusqu'à 124 m (407 pi), les meilleurs sites pour doré jaune, grand brochet, perchaude et touladi, fenêtres d'activité saisonnières et choix d'appâts. Aucune inscription requise. Les profondeurs proviennent de la Géobase des bathymétries de lac du Québec (MELCCFP) lorsque disponibles.
Walleye fishing at Lac du Poisson Blanc
Spring walleye on Lac du Poisson Blanc hold shallow, usually 4 to 15 ft. They move out to 15 to 35 ft in summer and finish the year down in 20 to 40 ft. The spot to know is Offshore hump, a offshore hump in about 15 ft of water that rates prime for walleye in summer. Plan around the evening and early morning in the warm months. Summer baits: a crawler harness on bottom bouncer or a deep crankbait (trolled) gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 4 to 15 ft | dusk & dawn | 1/8 oz jig + minnow, Hair jig |
| Summer | 15 to 35 ft | dusk & dawn | Crawler harness on bottom bouncer, Deep crankbait (trolled) |
| Fall | 12 to 40 ft | dusk & night | Jigging rap, Jig + big minnow |
| Winter | 20 to 40 ft | dusk & dawn | Jigging spoon + minnow head, Rattle bait |
Northern Pike fishing at Lac du Poisson Blanc
Start shallow in spring: northern pike sit in 2 to 8 ft that time of year. By summer they slide out to 8 to 20 ft, and by winter most fish are in 5 to 15 ft. The spot to know is Back-bay flat, a weed flat in about 7 ft of water that rates prime for northern pike in spring. Plan around early morning and the evening in the warm months. Summer baits: a bucktail or a weedless spoon over cabbage gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | #5 inline spinner, Spoon (red/white) |
| Summer | 8 to 20 ft | dawn & dusk | Bucktail, Weedless spoon over cabbage |
| Fall | 6 to 18 ft | midday & dawn | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Winter | 5 to 15 ft | midday | Tip-ups, Large jigging spoon |
Yellow Perch fishing at Lac du Poisson Blanc
In spring, yellow perch run shallow here, mostly 3 to 12 ft. They move out to 10 to 30 ft in summer and finish the year down in 15 to 35 ft. Shallow bay flat is the standout, a weed flat at roughly 9 ft, rated prime for spring yellow perch. Plan around early morning in the warm months. Tie on a drop-shot micro plastics or a small spoon tipped with worm and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 12 ft | midday & dawn | Small jig + curly tail, Perch-pattern micro crank |
| Summer | 10 to 30 ft | dawn | Drop-shot micro plastics, Small spoon tipped with worm |
| Fall | 12 to 35 ft | midday | Jigging spoon (small), Perch rig / spreader |
| Winter | 15 to 35 ft | midday & dawn | Tungsten jig + spikes, Rattle spoon (small) |
Lake Trout fishing at Lac du Poisson Blanc
Start shallow in spring: lake trout sit in 10 to 40 ft that time of year. By summer they slide out to 50 to 120 ft, and by winter most fish are in 20 to 80 ft. The spot to know is Offshore hump, a offshore hump in about 18 ft of water that rates prime for lake trout in winter. Plan around early morning in the warm months. Summer baits: a white tube jig (deep) or a magnum spoon on downrigger gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 10 to 40 ft | dawn & dusk | Casting spoon over shoals, Jerkbait (shallow) |
| Summer | 50 to 120 ft | dawn | White tube jig (deep), Magnum spoon on downrigger |
| Fall | 10 to 50 ft | dusk & dawn | Heavy casting spoon, Jigging rap over reefs |
| Winter | 20 to 80 ft | dawn | White tube jig, Airplane jig |
Lake Whitefish fishing at Lac du Poisson Blanc
Start shallow in spring: lake whitefish sit in 15 to 45 ft that time of year. By summer they slide out to 40 to 90 ft, and by winter most fish are in 25 to 70 ft. The spot to know is Break off the point, a drop-off in about 40 ft of water that rates prime for lake whitefish in spring. Plan around early morning in the warm months. Tie on a blade bait vertical or a small jigging spoon and you're in the game.
| 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 340 ft
- Sharp break: drop-off, around 129 ft
- Sharp break: drop-off, around 96 ft
- Feeding flat: feeding flat, around 93 ft
- Secondary point: point, around 88 ft
- Break off the point: drop-off, around 40 ft
- Sharp break: drop-off, around 33 ft
- Feeding flat: feeding flat, around 27 ft
- Offshore hump: offshore hump, around 18 ft
- Offshore hump: offshore hump, around 15 ft
- Offshore hump: offshore hump, around 14 ft
- Main-lake point: point, around 13 ft
- Shoreline point: point, around 11 ft
- Shallow bay flat: weed flat, around 9 ft
Common questions
How deep is Lac du Poisson Blanc?
Lac du Poisson Blanc is about 407 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 Lac du Poisson Blanc?
Anglers target walleye, northern pike, yellow perch, lake trout, lake whitefish on Lac du Poisson Blanc.
Where is the best fishing spot on Lac du Poisson Blanc?
Offshore hump is the top-rated area: a offshore hump in about 15 ft of water that rates prime for walleye in summer. Open the map above to see every rated spot for each species and season.
When is the best time to fish Lac du Poisson Blanc?
For walleye, the summer bite is best in the evening and early morning. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.
Nearby waters
Lac du Brochet · Lac Bigelow · Lac Cuillèrier · Lac Pemichangan · Réservoir aux Sables · Lac du Cardinal
See how Lac du Poisson Blanc stacks up: best walleye lakes in Québec · best northern pike lakes in Québec · best yellow perch lakes in Québec · best lake trout lakes in Québec
Browse all Québec fishing maps or every water on DepthScout. Bathymetry credit: state fisheries survey programs. How we build these maps. For fishing guidance only, never navigation.