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24-acre lake near Québec. The lake tops out around 30 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.
Traced from the shoreline, Lac Grandin runs 24 acres with 0.8 miles of edge. At index 1.2 the outline is almost a bowl — read the depth changes, not the shoreline. About 40% of the surface sits shallower than 15 ft — that's the weed-and-bait zone. Figure 0.3 mi of water from one end to the other, 0.2 mi at the beam. You'll find it in Antoine-Labelle MRC. For a second option, Lac du Corbeau lies 2 mi northwest.
Carte de pêche interactive gratuite — Lac Grandin, Québec : courbes de profondeur issues de relevés bathymétriques réels jusqu'à 9 m (30 pi), et les meilleurs sites pour omble de fontaine, truite arc-en-ciel, truite brune et plus. Les profondeurs proviennent de la Géobase des bathymétries de lac du Québec (MELCCFP) lorsque disponibles.
The spring pattern is a shallow one: brook trout in 2 to 15 ft. As the season builds they drop to 10 to 30 ft, wintering in 3 to 20 ft. Top water on the chart: Deep basin, a deep basin in the 30 ft range, prime in summer. Time it for early morning and the evening. Summer baits: a small spoon fished deep or a trolled lake-clear wobbler + worm gets it done.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 2 to 15 ft | dawn & dusk | Shallow bay flat (6 ft) | Small inline spinner (gold), Tiny spoon |
| Été | 10 to 30 ft | dawn & dusk | Deep basin (30 ft) | Small spoon fished deep, Trolled lake-clear wobbler + worm |
| Automne | 2 to 15 ft | midday & dawn | open water | Small spoon (orange), Spinner |
| Hiver | 3 to 20 ft | dawn | Shallow bay flat (6 ft) | Small jigging spoon, Tungsten jig + plastic |
Start shallow in spring: rainbow trout sit in 5 to 20 ft that time of year. Summer pushes them deeper, 8 to 30 ft, and winter fish settle into 6 to 30 ft. The spot to know is Deep basin, a deep basin in about 30 ft of water that rates prime for rainbow trout in winter. Warm-month bites cluster around early morning and the evening. Throw a dodger + spoon (deep troll) or a flutter spoon until the fish tell you otherwise.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 5 to 20 ft | dawn & dusk | Shallow bay flat (6 ft) | Inline spinner (silver), Small spoon |
| Été | 8 to 30 ft | dawn & dusk | Deep basin (30 ft) | Dodger + spoon (deep troll), Flutter spoon |
| Automne | 9 to 30 ft | dawn & dusk | Deep basin (30 ft) | Casting spoon, Jerkbait over shoals |
| Hiver | 6 to 30 ft | dawn | Deep basin (30 ft) | Jigging spoon, Tube jig (white) |
Spring brown trout on Lac Grandin hold shallow, usually 3 to 25 ft. By summer they slide out to 9 to 30 ft, and by winter most fish are in 4 to 30 ft. The chart's best answer is Deep basin — deep basin, 30 ft, prime for summer. Prime time lands in after dark and early morning. The summer box starts with a spoon at the thermocline or a deep stickbait (night).
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 3 to 25 ft | dawn & dusk | open water | Stickbait off planer boards (shallow), Small spoon along mud lines |
| Été | 9 to 30 ft | night & dawn | Deep basin (30 ft) | Spoon at the thermocline, Deep stickbait (night) |
| Automne | 5 to 30 ft | dusk & dawn | open water | Jerkbait over gravel, Casting spoon |
| Hiver | 4 to 30 ft | dawn | Deep basin (30 ft) | Jigging spoon, Small stickbait (slow) |
Start shallow in spring: landlocked salmon sit in 1 to 15 ft that time of year. Summer pushes them deeper, 9 to 30 ft, and winter fish settle into 8 to 30 ft. The spot to know is Deep basin, a deep basin in about 30 ft of water that rates prime for landlocked salmon in summer. Warm-month bites cluster around early morning and the evening. Throw a dodger + streamer down deep or a thin spoon on lead core until the fish tell you otherwise.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 1 to 15 ft | dawn & dusk | open water | Streamer flies (Grey Ghost) off boards, Thin spoon (Mooselook style) |
| Été | 9 to 30 ft | dawn & dusk | Deep basin (30 ft) | Dodger + streamer down deep, Thin spoon on lead core |
| Automne | 5 to 30 ft | dawn & dusk | open water | Casting spoon at the mouths, Streamers |
| Hiver | 8 to 30 ft | dawn | Deep basin (30 ft) | Small jigging spoon, Swedish pimple + smelt |
Spring walleye on Lac Grandin hold shallow, usually 4 to 15 ft. By summer they slide out to 9 to 30 ft, and by winter most fish are in 9 to 30 ft. The chart's best answer is Deep basin — deep basin, 30 ft, prime for winter. Prime time lands in the evening and early morning. The summer box starts with a crawler harness on bottom bouncer or a deep crankbait (trolled).
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 4 to 15 ft | dusk & dawn | open water | 1/8 oz jig + minnow, Hair jig |
| Été | 9 to 30 ft | dusk & dawn | Deep basin (30 ft) | Crawler harness on bottom bouncer, Deep crankbait (trolled) |
| Automne | 9 to 30 ft | dusk & night | Deep basin (30 ft) | Jigging rap, Jig + big minnow |
| Hiver | 9 to 30 ft | dusk & dawn | Deep basin (30 ft) | Jigging spoon + minnow head, Rattle bait |
Early season yellow perch use the shallows, holding in 3 to 12 ft. Summer is a 10 to 30 ft game here, winter a 9 to 30 ft one. The chart's best answer is Shallow bay flat — weed flat, 6 ft, prime for spring. Best bite is early morning. Tie on a drop-shot micro plastics or a small spoon tipped with worm and you're in the game.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 3 to 12 ft | midday & dawn | Shallow bay flat (6 ft) | Small jig + curly tail, Perch-pattern micro crank |
| Été | 10 to 30 ft | dawn | Deep basin (30 ft) | Drop-shot micro plastics, Small spoon tipped with worm |
| Automne | 9 to 30 ft | midday | Deep basin (30 ft) | Jigging spoon (small), Perch rig / spreader |
| Hiver | 9 to 30 ft | midday & dawn | Deep basin (30 ft) | Tungsten jig + spikes, Rattle spoon (small) |
Lac Grandin also holds northern pike (8 to 20 ft in summer), smallmouth bass (10 to 30 ft in summer), rock bass (5 to 20 ft in summer), pumpkinseed (2 to 10 ft in summer), brown bullhead (3 to 12 ft in summer), channel catfish (8 to 25 ft in summer). Pick any of them on the map above for rated spots and bait picks.
3 pieces of structure are mapped here — Deep basin, around 30 ft, is the deepest of them.
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 Grandin specifically, so confirm the current rules before you fish.
Check the official Québec fishing regulations →
Lac Grandin is about 30 ft (9 m) deep at its deepest point. The depth chart here comes from real state fisheries GPS surveys, so the contours reflect measured depths.
Lac Grandin atteint environ 9 m (30 pi) à son point le plus profond. Les profondeurs proviennent de relevés bathymétriques réels.
Anglers target brook trout, rainbow trout, brown trout, landlocked salmon, walleye, yellow perch, northern pike, smallmouth bass, rock bass, pumpkinseed, brown bullhead, channel catfish on Lac Grandin. 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 30 ft of water that rates prime for landlocked salmon in summer. The map above holds the full rated-spot list for every 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 Grandin 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 du Corbeau 2 mi · Lac Serpent 2 mi · Lac McKavanaugh 4 mi · Lac Trottier 4 mi · Lac de l'Aigle 5 mi · Lac du Bois Dur 5 mi · Lac Murphy 6 mi · Lac Binet 6 mi · Lac Misérable 6 mi · Lac Earhart 6 mi · Lac de l'Hydroplane 7 mi · Grand lac du Cerf 7 mi
See how Lac Grandin 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: Antoine-Labelle MRC fishing maps (249 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.