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27-acre lake near Québec. The lake tops out around 16 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. What follows comes from the same scoring engine that paints the spots above.
Lac Saint-Louis maps at 27 acres behind 0.8 miles of shoreline. At index 1 the outline is almost a bowl — read the depth changes, not the shoreline. Littoral water — the productive band under ~15 ft — makes up 92% of this chart. Figure 0.3 mi of water from one end to the other, 0.2 mi at the beam. Les Pays-d'en-Haut MRC claims this one. Lac des Sommets sits 3 mi east — the closest neighbouring chart.
Carte de pêche interactive gratuite — Lac Saint-Louis, Québec : courbes de profondeur issues de relevés bathymétriques réels jusqu'à 5 m (16 pi), et les meilleurs sites pour truite arc-en-ciel, truite brune, doré jaune et plus. Les profondeurs proviennent de la Géobase des bathymétries de lac du Québec (MELCCFP) lorsque disponibles.
When the water first warms, rainbow trout slide up into 4 to 16 ft. There's no big seasonal slide here — summer means 4 to 16 ft, winter 3 to 16 ft. Start at Break off the point. It's a drop-off holding about 9 ft of water and rates prime come winter. The feeding windows run early morning and the evening. Keep a dodger + spoon (deep troll) or a flutter spoon rigged through the warm months.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 4 to 16 ft | dawn & dusk | Main-lake point (4 ft) | Inline spinner (silver), Small spoon |
| Été | 4 to 16 ft | dawn & dusk | Break off the point (9 ft) | Dodger + spoon (deep troll), Flutter spoon |
| Automne | 5 to 16 ft | dawn & dusk | Main-lake point (4 ft) | Casting spoon, Jerkbait over shoals |
| Hiver | 3 to 16 ft | dawn | Break off the point (9 ft) | Jigging spoon, Tube jig (white) |
The spring pattern is a shallow one: brown trout in 2 to 16 ft. The depth story barely changes: 5 to 16 ft through summer, 2 to 16 ft in winter. Top water on the chart: Break off the point, a drop-off in the 9 ft range, prime in summer. Time it for after dark and early morning. Summer baits: a spoon at the thermocline or a deep stickbait (night) gets it done.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 2 to 16 ft | dawn & dusk | Main-lake point (4 ft) | Stickbait off planer boards (shallow), Small spoon along mud lines |
| Été | 5 to 16 ft | night & dawn | Break off the point (9 ft) | Spoon at the thermocline, Deep stickbait (night) |
| Automne | 3 to 16 ft | dusk & dawn | Main-lake point (4 ft) | Jerkbait over gravel, Casting spoon |
| Hiver | 2 to 16 ft | dawn | Break off the point (9 ft) | Jigging spoon, Small stickbait (slow) |
The spring pattern is a shallow one: walleye in 4 to 15 ft. As the season builds they drop to 5 to 16 ft, wintering in 5 to 16 ft. Top water on the chart: Break off the point, a drop-off in the 9 ft range, prime in fall. Time it for the evening and early morning. Summer baits: a crawler harness on bottom bouncer or a deep crankbait (trolled) gets it done.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 4 to 15 ft | dusk & dawn | Main-lake point (4 ft) | 1/8 oz jig + minnow, Hair jig |
| Été | 5 to 16 ft | dusk & dawn | Break off the point (9 ft) | Crawler harness on bottom bouncer, Deep crankbait (trolled) |
| Automne | 5 to 16 ft | dusk & night | Break off the point (9 ft) | Jigging rap, Jig + big minnow |
| Hiver | 5 to 16 ft | dusk & dawn | Deep basin (16 ft) | Jigging spoon + minnow head, Rattle bait |
In spring, yellow perch run shallow here, mostly 3 to 12 ft. Summer pushes them deeper, 5 to 16 ft, and winter fish settle into 5 to 16 ft. Deep basin is the standout, a deep basin at roughly 16 ft, rated prime for fall yellow perch. Time it for early morning. You won't need more than a drop-shot micro plastics or a small spoon tipped with worm most summer days.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 3 to 12 ft | midday & dawn | open water | Small jig + curly tail, Perch-pattern micro crank |
| Été | 5 to 16 ft | dawn | Deep basin (16 ft) | Drop-shot micro plastics, Small spoon tipped with worm |
| Automne | 5 to 16 ft | midday | Deep basin (16 ft) | Jigging spoon (small), Perch rig / spreader |
| Hiver | 5 to 16 ft | midday & dawn | Deep basin (16 ft) | Tungsten jig + spikes, Rattle spoon (small) |
Early season northern pike use the shallows, holding in 2 to 8 ft. Expect a summer slide to 5 to 16 ft, then a winter hold in 5 to 15 ft. Put Break off the point first on the milk run — a drop-off near 9 ft that grades prime for fall. In summer the feeding windows fall in early morning and the evening. Tie on a bucktail or a weedless spoon over cabbage and you're in the game.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 2 to 8 ft | midday & dawn | open water | #5 inline spinner, Spoon (red/white) |
| Été | 5 to 16 ft | dawn & dusk | Break off the point (9 ft) | Bucktail, Weedless spoon over cabbage |
| Automne | 5 to 16 ft | midday & dawn | Break off the point (9 ft) | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Hiver | 5 to 15 ft | midday | Break off the point (9 ft) | Tip-ups, Large jigging spoon |
Early season smallmouth bass use the shallows, holding in 3 to 12 ft. Expect a summer slide to 5 to 16 ft, then a winter hold in 5 to 16 ft. Put Break off the point first on the milk run — a drop-off near 9 ft that grades prime for winter. In summer the feeding windows fall in early morning and the evening. Tie on a drop shot (goby/minnow) or a ned rig and you're in the game.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 3 to 12 ft | dawn & dusk | Main-lake point (4 ft) | Ned rig, Tube jig |
| Été | 5 to 16 ft | dawn & dusk | Break off the point (9 ft) | Drop shot (goby/minnow), Ned rig |
| Automne | 5 to 16 ft | midday & dawn | Main-lake point (4 ft) | Jerkbait, Blade bait |
| Hiver | 5 to 16 ft | midday | Break off the point (9 ft) | Blade bait, Hair jig |
Lac Saint-Louis also holds largemouth bass (5 to 16 ft in summer), rock bass (4 to 16 ft in summer), crappie (5 to 16 ft in summer), pumpkinseed (2 to 10 ft in summer), brown bullhead (3 to 12 ft in summer), channel catfish (5 to 16 ft in summer). Pick any of them on the map above for rated spots and bait picks.
The chart marks 4 structure features on Lac Saint-Louis; the deepest is Deep basin at about 16 ft.
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 Saint-Louis specifically, so confirm the current rules before you fish.
Check the official Québec fishing regulations →
Lac Saint-Louis is about 16 ft (5 m) deep at its deepest point. The depth chart here comes from real state fisheries GPS surveys, so the contours reflect measured depths.
Lac Saint-Louis atteint environ 5 m (16 pi) à son point le plus profond. Les profondeurs proviennent de relevés bathymétriques réels.
Anglers target rainbow trout, brown trout, walleye, yellow perch, northern pike, smallmouth bass, largemouth bass, rock bass, crappie, pumpkinseed, brown bullhead, channel catfish on Lac Saint-Louis. 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.
Break off the point is the top-rated area: a drop-off in about 9 ft of water that rates prime for walleye in fall. Open the map above to see every rated spot for each species and season.
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.
Fishing on Lac Saint-Louis 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 des Sommets 3 mi · Lac Violon 3 mi · Lac La Salle 3 mi · Lac Clair 3 mi · Lac Lavallée 4 mi · Lac Charlebois 4 mi · Lac Bélair 4 mi · Lac Ménard 4 mi · Lac Léon 4 mi · Lac Sarrazin 4 mi · Lac des Îles 5 mi · Lac Masson 5 mi
See how Lac Saint-Louis stacks up: best largemouth bass lakes in Québec · best smallmouth bass lakes in Québec · best walleye lakes in Québec · best northern pike lakes in Québec
More water nearby: Les Pays-d'en-Haut MRC fishing maps (83 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.