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69-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. Here's the year, species by species, as the scoring engine sees it.
Lac Dupuis maps at 69 acres behind 1.7 miles of shoreline. A shoreline index of 1.4 says round and simple: fish relate to depth changes here, not shoreline features. 26% of the surface is littoral (under ~15 ft) — cover, weeds and forage water. Figure 0.8 mi of water from one end to the other, 0.2 mi at the beam. Les Pays-d'en-Haut MRC claims this one. Its nearest charted neighbour, Lac Masson, is 1 mi to the northwest.
Carte de pêche interactive gratuite — Lac Dupuis, 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.
Spring rainbow trout on Lac Dupuis hold shallow, usually 4 to 16 ft. Depth-wise the year is flat: 4 to 16 ft in summer, 3 to 16 ft once it turns cold. Put Break off the point first on the milk run — a drop-off near 16 ft that grades prime for winter. The feeding windows run early morning and the evening. The summer box starts with a dodger + spoon (deep troll) or a flutter spoon.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 4 to 16 ft | dawn & dusk | Main-lake point (9 ft) | Inline spinner (silver), Small spoon |
| Été | 4 to 16 ft | dawn & dusk | Break off the point (16 ft) | Dodger + spoon (deep troll), Flutter spoon |
| Automne | 5 to 16 ft | dawn & dusk | Main-lake point (9 ft) | Casting spoon, Jerkbait over shoals |
| Hiver | 3 to 16 ft | dawn | Break off the point (16 ft) | Jigging spoon, Tube jig (white) |
In spring, brown trout run shallow here, mostly 2 to 16 ft. Summer keeps them at 5 to 16 ft, and they winter in 2 to 16 ft. Break off the point is the standout, a drop-off at roughly 16 ft, rated prime for summer brown trout. Time it for after dark and early morning. You won't need more than a spoon at the thermocline or a deep stickbait (night) most summer days.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 2 to 16 ft | dawn & dusk | Main-lake point (9 ft) | Stickbait off planer boards (shallow), Small spoon along mud lines |
| Été | 5 to 16 ft | night & dawn | Break off the point (16 ft) | Spoon at the thermocline, Deep stickbait (night) |
| Automne | 3 to 16 ft | dusk & dawn | Main-lake point (9 ft) | Jerkbait over gravel, Casting spoon |
| Hiver | 2 to 16 ft | dawn | Break off the point (16 ft) | Jigging spoon, Small stickbait (slow) |
In spring, walleye run shallow here, mostly 4 to 15 ft. Summer pushes them deeper, 5 to 16 ft, and winter fish settle into 5 to 16 ft. Break off the point is the standout, a drop-off at roughly 16 ft, rated prime for fall walleye. Time it for the evening and early morning. You won't need more than a crawler harness on bottom bouncer or a deep crankbait (trolled) most summer days.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 4 to 15 ft | dusk & dawn | Main-lake point (9 ft) | 1/8 oz jig + minnow, Hair jig |
| Été | 5 to 16 ft | dusk & dawn | Break off the point (16 ft) | Crawler harness on bottom bouncer, Deep crankbait (trolled) |
| Automne | 5 to 16 ft | dusk & night | Break off the point (16 ft) | Jigging rap, Jig + big minnow |
| Hiver | 5 to 16 ft | dusk & dawn | Deep basin (16 ft) | Jigging spoon + minnow head, Rattle bait |
The spring pattern is a shallow one: yellow perch in 3 to 12 ft. As the season builds they drop to 5 to 16 ft, wintering in 5 to 16 ft. Top water on the chart: Shallow bay flat, a weed flat in the 8 ft range, prime in spring. Time it for early morning. Summer baits: a drop-shot micro plastics or a small spoon tipped with worm gets it done.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 3 to 12 ft | midday & dawn | Shallow bay flat (8 ft) | 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) |
When the water first warms, northern pike slide up into 2 to 8 ft. By summer they slide out to 5 to 16 ft, and by winter most fish are in 5 to 15 ft. If you only fish one area, make it Shallow bay flat: a weed flat around 8 ft that scores prime in spring. In summer the feeding windows fall in early morning and the evening. Keep a bucktail or a weedless spoon over cabbage rigged through the warm months.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 2 to 8 ft | midday & dawn | Shallow bay flat (8 ft) | #5 inline spinner, Spoon (red/white) |
| Été | 5 to 16 ft | dawn & dusk | Shallow bay flat (8 ft) | Bucktail, Weedless spoon over cabbage |
| Automne | 5 to 16 ft | midday & dawn | Shallow bay flat (8 ft) | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Hiver | 5 to 15 ft | midday | Shallow bay flat (8 ft) | Tip-ups, Large jigging spoon |
When the water first warms, smallmouth bass slide up into 3 to 12 ft. By summer they slide out to 5 to 16 ft, and by winter most fish are in 5 to 16 ft. If you only fish one area, make it Main-lake point: a point around 9 ft that scores prime in fall. In summer the feeding windows fall in early morning and the evening. Keep a drop shot (goby/minnow) or a ned rig rigged through the warm months.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 3 to 12 ft | dawn & dusk | Main-lake point (9 ft) | Ned rig, Tube jig |
| Été | 5 to 16 ft | dawn & dusk | Break off the point (16 ft) | Drop shot (goby/minnow), Ned rig |
| Automne | 5 to 16 ft | midday & dawn | Main-lake point (9 ft) | Jerkbait, Blade bait |
| Hiver | 5 to 16 ft | midday | Break off the point (16 ft) | Blade bait, Hair jig |
Lac Dupuis 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.
Lac Dupuis carries 6 mapped structure features, topping out (or rather bottoming out) at Deep basin, about 16 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 Dupuis specifically, so confirm the current rules before you fish.
Check the official Québec fishing regulations →
Lac Dupuis 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 Dupuis 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 Dupuis. 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 16 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 Dupuis 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 Masson 1 mi · Lac Grenier 1 mi · Lac du Nord 2 mi · Lac Pilon 2 mi · Lac Croche 3 mi · Lac Croche 3 mi · Lac Ashton 3 mi · Lac Cromwell 3 mi · Lac Charlebois 4 mi · Lac Corriveau 4 mi · Lac de la Poche 4 mi · Lac des Sommets 4 mi
See how Lac Dupuis 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.