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149-acre lake near Québec. The lake tops out around 53 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. The rest of this page walks each species through its year, using the map's own scoring.
On the chart, Lac Grenier draws 149 acres inside 2.1 miles of shoreline. Its 1.2 shoreline index means few bank features; the contours below do the pattern work. The shallow band under 15 ft claims about 45% of the surface — that's where the groceries are. Tip to tip the water measures near 0.9 mi with a 0.4-mi widest point. The water lies in Les Pays-d'en-Haut MRC. For a second option, Lac du Nord lies 1 mi west.
Carte de pêche interactive gratuite — Lac Grenier, Québec : courbes de profondeur issues de relevés bathymétriques réels jusqu'à 16 m (53 pi), et les meilleurs sites pour touladi, truite arc-en-ciel, truite brune et plus. Les profondeurs proviennent de la Géobase des bathymétries de lac du Québec (MELCCFP) lorsque disponibles.
In spring, lake trout run shallow here, mostly 10 to 40 ft. Summer pushes them deeper, 16 to 53 ft, and winter fish settle into 13 to 53 ft. Deep basin is the standout, a deep basin at roughly 53 ft, rated prime for summer lake trout. Time it for early morning. 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 | Break off the point (19 ft) | Casting spoon over shoals, Jerkbait (shallow) |
| Été | 16 to 53 ft | dawn | Deep basin (53 ft) | White tube jig (deep), Magnum spoon on downrigger |
| Automne | 10 to 50 ft | dusk & dawn | Break off the point (19 ft) | Heavy casting spoon, Jigging rap over reefs |
| Hiver | 13 to 53 ft | dawn | Deep basin (53 ft) | White tube jig, Airplane jig |
In spring, rainbow trout run shallow here, mostly 5 to 20 ft. Midsummer fish sit out in 8 to 30 ft before dropping to 8 to 40 ft for winter. Winter rainbow trout concentrate at Break off the point, a prime-rated drop-off around 19 ft. Fish it in early morning and the evening and you'll meet the bite. You won't need more than a dodger + spoon (deep troll) or a flutter spoon most summer days.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 5 to 20 ft | dawn & dusk | Secondary point (5 ft) | Inline spinner (silver), Small spoon |
| Été | 8 to 30 ft | dawn & dusk | Break off the point (19 ft) | Dodger + spoon (deep troll), Flutter spoon |
| Automne | 10 to 35 ft | dawn & dusk | Break off the point (19 ft) | Casting spoon, Jerkbait over shoals |
| Hiver | 8 to 40 ft | dawn | Break off the point (19 ft) | Jigging spoon, Tube jig (white) |
When the water first warms, brown trout slide up into 3 to 25 ft. Summer is a 16 to 53 ft game here, winter a 5 to 35 ft one. Start at Break off the point. It's a drop-off holding about 19 ft of water and rates prime come summer. The feeding windows run after dark and early morning. Keep a spoon at the thermocline or a deep stickbait (night) rigged through the warm months.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 3 to 25 ft | dawn & dusk | Main-lake point (4 ft) | Stickbait off planer boards (shallow), Small spoon along mud lines |
| Été | 16 to 53 ft | night & dawn | Break off the point (19 ft) | Spoon at the thermocline, Deep stickbait (night) |
| Automne | 5 to 30 ft | dusk & dawn | Secondary point (5 ft) | Jerkbait over gravel, Casting spoon |
| Hiver | 5 to 35 ft | dawn | Break off the point (19 ft) | Jigging spoon, Small stickbait (slow) |
Spring arctic char on Lac Grenier hold shallow, usually 4 to 15 ft. By summer they slide out to 16 to 53 ft, and by winter most fish are in 10 to 40 ft. The chart's best answer is Deep basin — deep basin, 53 ft, prime for summer. Prime time lands in 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 | Break off the point (19 ft) | Small casting spoon (silver/orange), Jerkbait (small) |
| Été | 16 to 53 ft | dawn | Deep basin (53 ft) | Jigging spoon vertical, Tube jig (smelt) |
| Automne | 8 to 30 ft | midday & dusk | Break off the point (19 ft) | Casting spoon (orange/gold), Beadhead streamer |
| Hiver | 10 to 40 ft | midday & dawn | Break off the point (19 ft) | Jigging spoon (glow/silver), Tungsten jig + plastic |
Spring lake whitefish on Lac Grenier hold shallow, usually 15 to 45 ft. By summer they slide out to 16 to 53 ft, and by winter most fish are in 16 to 53 ft. The chart's best answer is Deep basin — deep basin, 53 ft, prime for summer. Prime time lands in 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 (19 ft) | Small jig + waxworm, Blade bait (small) |
| Été | 16 to 53 ft | dawn | Deep basin (53 ft) | Blade bait vertical, Small jigging spoon |
| Automne | 8 to 30 ft | dusk | Break off the point (19 ft) | Small spoon (gold), Jig + plastic larva |
| Hiver | 16 to 53 ft | midday & dawn | Deep basin (53 ft) | Jigging spoon + bead chain, Tungsten jig + waxie |
When the water first warms, walleye slide up into 4 to 15 ft. Summer is a 15 to 35 ft game here, winter a 20 to 40 ft one. Start at Break off the point. It's a drop-off holding about 19 ft of water and rates prime come fall. The feeding windows run 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 (4 ft) | 1/8 oz jig + minnow, Hair jig |
| Été | 15 to 35 ft | dusk & dawn | Break off the point (19 ft) | Crawler harness on bottom bouncer, Deep crankbait (trolled) |
| Automne | 12 to 40 ft | dusk & night | Break off the point (19 ft) | Jigging rap, Jig + big minnow |
| Hiver | 20 to 40 ft | dusk & dawn | Break off the point (19 ft) | Jigging spoon + minnow head, Rattle bait |
Lac Grenier also holds yellow perch (10 to 30 ft in summer), northern pike (8 to 20 ft in summer), smallmouth bass (10 to 30 ft in summer), largemouth bass (8 to 20 ft in summer), rock bass (5 to 20 ft in summer), crappie (10 to 25 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), burbot (16 to 53 ft in summer). Pick any of them on the map above for rated spots and bait picks.
The chart marks 6 structure features on Lac Grenier; the deepest is Deep basin at about 53 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 Grenier specifically, so confirm the current rules before you fish.
Check the official Québec fishing regulations →
Lac Grenier is about 53 ft (16 m) deep at its deepest point. The depth chart here comes from real state fisheries GPS surveys, so the contours reflect measured depths.
Lac Grenier atteint environ 16 m (53 pi) à son point le plus profond. Les profondeurs proviennent de relevés bathymétriques réels.
Anglers target lake trout, rainbow trout, brown trout, arctic char, lake whitefish, walleye, yellow perch, northern pike, smallmouth bass, largemouth bass, rock bass, crappie, pumpkinseed, brown bullhead, channel catfish, burbot on Lac Grenier. 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 53 ft of water that rates prime for lake trout in summer. Scroll up to the map for the complete spot list by species and season.
For lake trout, the summer bite is best in early morning. 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 Grenier 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 Nord 1 mi · Lac Dupuis 1 mi · Lac Croche 1 mi · Lac Masson 2 mi · Lac Ashton 2 mi · Lac Charlebois 3 mi · Lac des Îles 3 mi · Lac Pilon 4 mi · Lac des Sommets 4 mi · Lac Clair 4 mi · Lac Croche 4 mi · Lac Cromwell 4 mi
See how Lac Grenier 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.