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42-acre lake near Québec. The lake tops out around 13 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.
The outline encloses 42 acres, worked by 1 miles of shoreline. Its 1.2 shoreline index means few bank features; the contours below do the pattern work. All of it is shallow-zone water — under ~15 ft across the entire basin, so the food chain has the run of the place. Figure 0.4 mi of water from one end to the other, 0.2 mi at the beam. Matawinie MRC claims this one. If the bite dies, Lac Galipault is 1 mi to the south.
Carte de pêche interactive gratuite — Lac du Castor, Québec : courbes de profondeur issues de relevés bathymétriques réels jusqu'à 4 m (13 pi), et les meilleurs sites pour omble de fontaine, doré jaune, perchaude et plus. Les profondeurs proviennent de la Géobase des bathymétries de lac du Québec (MELCCFP) lorsque disponibles.
Come spring, look for brook trout tight to the bank in 2 to 13 ft. Through summer count on 4 to 13 ft; the winter hold is 2 to 13 ft. If you only fish one area, make it Deep basin: a deep basin around 13 ft that scores prime in summer. Best bite is early morning and the evening. A small spoon fished deep or a trolled lake-clear wobbler + worm is the honest summer answer here.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 2 to 13 ft | dawn & dusk | Main-lake point (2 ft) | Small inline spinner (gold), Tiny spoon |
| Été | 4 to 13 ft | dawn & dusk | Deep basin (13 ft) | Small spoon fished deep, Trolled lake-clear wobbler + worm |
| Automne | 2 to 13 ft | midday & dawn | Main-lake point (2 ft) | Small spoon (orange), Spinner |
| Hiver | 2 to 13 ft | dawn | Deep basin (13 ft) | Small jigging spoon, Tungsten jig + plastic |
The spring pattern is a shallow one: walleye in 3 to 13 ft. The depth story barely changes: 4 to 13 ft through summer, 4 to 13 ft in winter. Top water on the chart: Break off the point, a drop-off in the 8 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 | 3 to 13 ft | dusk & dawn | Break off the point (8 ft) | 1/8 oz jig + minnow, Hair jig |
| Été | 4 to 13 ft | dusk & dawn | Break off the point (8 ft) | Crawler harness on bottom bouncer, Deep crankbait (trolled) |
| Automne | 4 to 13 ft | dusk & night | Break off the point (8 ft) | Jigging rap, Jig + big minnow |
| Hiver | 4 to 13 ft | dusk & dawn | Deep basin (13 ft) | Jigging spoon + minnow head, Rattle bait |
In spring, yellow perch run shallow here, mostly 3 to 12 ft. Summer pushes them deeper, 4 to 13 ft, and winter fish settle into 4 to 13 ft. Deep basin is the standout, a deep basin at roughly 13 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 | Shallow bay flat (2 ft) | Small jig + curly tail, Perch-pattern micro crank |
| Été | 4 to 13 ft | dawn | Deep basin (13 ft) | Drop-shot micro plastics, Small spoon tipped with worm |
| Automne | 4 to 13 ft | midday | Deep basin (13 ft) | Jigging spoon (small), Perch rig / spreader |
| Hiver | 4 to 13 ft | midday & dawn | Deep basin (13 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 4 to 13 ft, then a winter hold in 4 to 13 ft. Put Shallow bay flat first on the milk run — a weed flat near 2 ft that grades prime for spring. 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 | Shallow bay flat (2 ft) | #5 inline spinner, Spoon (red/white) |
| Été | 4 to 13 ft | dawn & dusk | Break off the point (8 ft) | Bucktail, Weedless spoon over cabbage |
| Automne | 4 to 13 ft | midday & dawn | Break off the point (8 ft) | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Hiver | 4 to 13 ft | midday | Shallow bay flat (2 ft) | Tip-ups, Large jigging spoon |
Early season smallmouth bass use the shallows, holding in 3 to 12 ft. Expect a summer slide to 4 to 13 ft, then a winter hold in 4 to 13 ft. Put Break off the point first on the milk run — a drop-off near 8 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 (2 ft) | Ned rig, Tube jig |
| Été | 4 to 13 ft | dawn & dusk | Break off the point (8 ft) | Drop shot (goby/minnow), Ned rig |
| Automne | 4 to 13 ft | midday & dawn | Break off the point (8 ft) | Jerkbait, Blade bait |
| Hiver | 4 to 13 ft | midday | Break off the point (8 ft) | Blade bait, Hair jig |
In spring, rock bass run shallow here, mostly 2 to 10 ft. Midsummer fish sit out in 3 to 13 ft before dropping to 4 to 13 ft for winter. Fall rock bass concentrate at Break off the point, a prime-rated drop-off around 8 ft. Fish it in the evening and you'll meet the bite. You won't need more than a ned rig (small) or a marabou jig most summer days.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 2 to 10 ft | midday & dawn | Main-lake point (2 ft) | 1/16 oz jig + grub, Small inline spinner |
| Été | 3 to 13 ft | dusk | Main-lake point (2 ft) | Ned rig (small), Marabou jig |
| Automne | 4 to 13 ft | midday | Break off the point (8 ft) | Small tube jig, Inline spinner |
| Hiver | 4 to 13 ft | midday | Deep basin (13 ft) | Tungsten jig + plastic, Small spoon + spike |
Lac du Castor also holds pumpkinseed (2 to 10 ft in summer), brown bullhead (3 to 12 ft in summer), channel catfish (4 to 13 ft in summer). Pick any of them on the map above for rated spots and bait picks.
Structure-wise the chart holds 5 features, led in depth by Deep basin at roughly 13 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 du Castor specifically, so confirm the current rules before you fish.
Check the official Québec fishing regulations →
Lac du Castor is about 13 ft (4 m) deep at its deepest point. The depth chart here comes from real state fisheries GPS surveys, so the contours reflect measured depths.
Lac du Castor atteint environ 4 m (13 pi) à son point le plus profond. Les profondeurs proviennent de relevés bathymétriques réels.
Anglers target brook trout, walleye, yellow perch, northern pike, smallmouth bass, rock bass, pumpkinseed, brown bullhead, channel catfish on Lac du Castor. 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 8 ft of water that rates prime for walleye in fall. Every other rated spot, per species and season, is on the map above.
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 du Castor 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 Galipault 1 mi · Lac Sauvage 2 mi · Lac Georges 3 mi · Lac Prévost 4 mi · Lac à l'Île 4 mi · Lac Ouareau 5 mi · Lac Sylvère 5 mi · Lac Croche 5 mi · Lac Provost 6 mi · Lac Baribeau 7 mi · Lac Beauchamp 7 mi · Lac du Marcheur 7 mi
See how Lac du Castor stacks up: best smallmouth bass lakes in Québec · best walleye lakes in Québec · best northern pike lakes in Québec · best channel catfish lakes in Québec
More water nearby: Matawinie MRC fishing maps (240 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.