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219-acre lake near Québec. The lake tops out around 56 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. Every species below gets its seasonal read from the same numbers driving the chart.
On the chart, Lac Sansoucy draws 219 acres inside 3.8 miles of shoreline. The shoreline is moderately structured (index 1.8) — enough points and pockets to pattern. About 29% of the surface sits shallower than 15 ft — that's the weed-and-bait zone. Call it 1.8 mi long by 0.4 mi wide at the broadest reach. You'll find it in La Jacques-Cartier MRC. For a second option, Lac F.-X.-Lemieux lies 4 mi southeast.
Carte de pêche interactive gratuite — Lac Sansoucy, Québec : courbes de profondeur issues de relevés bathymétriques réels jusqu'à 17 m (56 pi), et les meilleurs sites pour omble de fontaine, touladi, omble chevalier et plus. Les profondeurs proviennent de la Géobase des bathymétries de lac du Québec (MELCCFP) lorsque disponibles.
Spring puts brook trout in skinny water — 2 to 15 ft is the zone. As the season builds they drop to 10 to 30 ft, wintering in 3 to 20 ft. Summer brook trout concentrate at Break off the point, a prime-rated drop-off around 22 ft. Warm-month bites cluster around early morning and the evening. A small spoon fished deep or a trolled lake-clear wobbler + worm covers the summer program.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 2 to 15 ft | dawn & dusk | Main-lake point (5 ft) | Small inline spinner (gold), Tiny spoon |
| Été | 10 to 30 ft | dawn & dusk | Break off the point (22 ft) | Small spoon fished deep, Trolled lake-clear wobbler + worm |
| Automne | 2 to 15 ft | midday & dawn | Main-lake point (5 ft) | Small spoon (orange), Spinner |
| Hiver | 3 to 20 ft | dawn | Shallow bay flat (6 ft) | Small jigging spoon, Tungsten jig + plastic |
In spring, lake trout run shallow here, mostly 10 to 40 ft. Midsummer fish sit out in 17 to 56 ft before dropping to 14 to 56 ft for winter. Summer lake trout concentrate at Deep basin, a prime-rated deep basin around 55 ft. Fish it in early morning and you'll meet the bite. You won't need more than a white tube jig (deep) or a magnum spoon on downrigger most summer days.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 10 to 40 ft | dawn & dusk | Secondary point (12 ft) | Casting spoon over shoals, Jerkbait (shallow) |
| Été | 17 to 56 ft | dawn | Deep basin (55 ft) | White tube jig (deep), Magnum spoon on downrigger |
| Automne | 10 to 50 ft | dusk & dawn | Secondary point (12 ft) | Heavy casting spoon, Jigging rap over reefs |
| Hiver | 14 to 56 ft | dawn | Deep basin (55 ft) | White tube jig, Airplane jig |
Spring arctic char on Lac Sansoucy hold shallow, usually 4 to 15 ft. They move out to 17 to 56 ft in summer and finish the year down in 10 to 40 ft. Put Deep basin first on the milk run — a deep basin near 55 ft that grades prime for summer. The feeding windows run early morning. The summer box starts with a jigging spoon vertical or a tube jig (smelt).
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 4 to 15 ft | midday & dawn | open water | Small casting spoon (silver/orange), Jerkbait (small) |
| Été | 17 to 56 ft | dawn | Deep basin (55 ft) | Jigging spoon vertical, Tube jig (smelt) |
| Automne | 8 to 30 ft | midday & dusk | Break off the point (22 ft) | Casting spoon (orange/gold), Beadhead streamer |
| Hiver | 10 to 40 ft | midday & dawn | Break off the point (22 ft) | Jigging spoon (glow/silver), Tungsten jig + plastic |
Spring lake whitefish on Lac Sansoucy hold shallow, usually 15 to 45 ft. They move out to 17 to 56 ft in summer and finish the year down in 17 to 56 ft. Put Deep basin first on the milk run — a deep basin near 55 ft that grades prime for summer. The feeding windows run early morning. The summer box starts with a blade bait vertical or a small jigging spoon.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 15 to 45 ft | midday & dawn | Break off the point (22 ft) | Small jig + waxworm, Blade bait (small) |
| Été | 17 to 56 ft | dawn | Deep basin (55 ft) | Blade bait vertical, Small jigging spoon |
| Automne | 8 to 30 ft | dusk | Break off the point (22 ft) | Small spoon (gold), Jig + plastic larva |
| Hiver | 17 to 56 ft | midday & dawn | Deep basin (55 ft) | Jigging spoon + bead chain, Tungsten jig + waxie |
Spring cisco (lake herring) on Lac Sansoucy hold shallow, usually 10 to 40 ft. They move out to 17 to 56 ft in summer and finish the year down in 17 to 56 ft. Put Deep basin first on the milk run — a deep basin near 55 ft that grades prime for summer. The feeding windows run early morning. The summer box starts with a vertical flutter spoon (small) or a drop-shot micro plastic.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 10 to 40 ft | dawn & dusk | Break off the point (22 ft) | Small silver spoon, Tiny swim jig (white) |
| Été | 17 to 56 ft | dawn | Deep basin (55 ft) | Vertical flutter spoon (small), Drop-shot micro plastic |
| Automne | 5 to 25 ft | dusk & dawn | Break off the point (22 ft) | Small casting spoon, Inline spinner (silver) |
| Hiver | 17 to 56 ft | dawn | Deep basin (55 ft) | Small jigging spoon (glow/silver), Tungsten jig + minnow head |
When the water first warms, walleye slide up into 4 to 15 ft. By summer they slide out to 15 to 35 ft, and by winter most fish are in 20 to 40 ft. If you only fish one area, make it Break off the point: a drop-off around 22 ft that scores prime in fall. In summer the feeding windows fall in the evening and early morning. Keep a crawler harness on bottom bouncer or a deep crankbait (trolled) rigged through the warm months.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 4 to 15 ft | dusk & dawn | Main-lake point (5 ft) | 1/8 oz jig + minnow, Hair jig |
| Été | 15 to 35 ft | dusk & dawn | Break off the point (22 ft) | Crawler harness on bottom bouncer, Deep crankbait (trolled) |
| Automne | 12 to 40 ft | dusk & night | Break off the point (22 ft) | Jigging rap, Jig + big minnow |
| Hiver | 20 to 40 ft | dusk & dawn | Break off the point (22 ft) | Jigging spoon + minnow head, Rattle bait |
Lac Sansoucy also holds yellow perch (10 to 30 ft in summer), burbot (17 to 56 ft in summer). Pick any of them on the map above for rated spots and bait picks.
Lac Sansoucy carries 6 mapped structure features, topping out (or rather bottoming out) at Deep basin, about 55 ft down.
Season dates, license requirements, and size and bag limits for Québec waters are set by the Québec sport fishing rules (MELCCFP) — and special regulations can apply to Lac Sansoucy specifically, so confirm the current rules before you fish.
Check the official Québec fishing regulations →
Lac Sansoucy is about 56 ft (17 m) deep at its deepest point. The depth chart here comes from real state fisheries GPS surveys, so the contours reflect measured depths.
Lac Sansoucy atteint environ 17 m (56 pi) à son point le plus profond. Les profondeurs proviennent de relevés bathymétriques réels.
Anglers target brook trout, lake trout, arctic char, lake whitefish, cisco (lake herring), walleye, yellow perch, burbot on Lac Sansoucy. This species list is an informed estimate from Québec's provincial fish-range maps (bounded by each lake's depth and habitat), not a per-lake fish survey — Québec doesn't publish per-lake species records.
Deep basin is the top-rated area: a deep basin in about 55 ft of water that rates prime for lake trout in summer. The interactive chart above rates every spot for each species and season.
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.
Fishing on Lac Sansoucy is regulated by the Québec sport fishing rules (MELCCFP). Check the official Québec regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.
Lac F.-X.-Lemieux 4 mi · Lac Judas 4 mi · Lac Beaulieu 5 mi · Lac aux Rognons 5 mi · Lac Bourette 7 mi · Lac Tentant 8 mi · Lac Maguire 8 mi · Lac Peggy 8 mi · Lac Montendre 9 mi · Lac Henri-Mercier 9 mi · Lac de l'Éclaircie 9 mi · Lac Comax 9 mi
See how Lac Sansoucy stacks up: best walleye lakes in Québec · best yellow perch lakes in Québec · best lake trout lakes in Québec · best brook trout lakes in Québec
More water nearby: La Jacques-Cartier MRC fishing maps (43 charts). Browse all Québec fishing maps or see every water on DepthScout. Bathymetry credit: state fisheries survey programs. How we build these maps. Fish here with a sonar unit that logs? Send us your depth data and we'll improve this chart, credited to you. For fishing guidance only, never navigation.