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241-acre lake near Québec. The lake tops out around 118 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. Species by species, here's what the data says the year looks like.
Traced from the shoreline, Lac Roy runs 241 acres with 3 miles of edge. Its 1.4 shoreline index means few bank features; the contours below do the pattern work. About 6% of the surface sits shallower than 15 ft — that's the weed-and-bait zone. Call it 1 mi long by 0.7 mi wide at the broadest reach. You'll find it in Sept-Rivières--Caniapiscau. Closest neighbour on DepthScout: Lac Langis, 2 mi northwest of here.
Carte de pêche interactive gratuite — Lac Roy, Québec : courbes de profondeur issues de relevés bathymétriques réels jusqu'à 36 m (118 pi), et les meilleurs sites pour omble de fontaine, touladi, ouananiche 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: Break off the point, a drop-off in the 33 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 (9 ft) | Small inline spinner (gold), Tiny spoon |
| Été | 10 to 30 ft | dawn & dusk | Break off the point (33 ft) | Small spoon fished deep, Trolled lake-clear wobbler + worm |
| Automne | 2 to 15 ft | midday & dawn | Main-lake point (18 ft) | Small spoon (orange), Spinner |
| Hiver | 3 to 20 ft | dawn | Shallow bay flat (9 ft) | Small jigging spoon, Tungsten jig + plastic |
The spring pattern is a shallow one: lake trout in 10 to 40 ft. Midsummer fish sit out in 35 to 118 ft before dropping to 20 to 80 ft for winter. The spot to know is Deep basin, a deep basin in about 118 ft of water that rates prime for lake trout in summer. Plan around early morning in the warm months. Summer baits: a white tube jig (deep) or a magnum spoon on downrigger gets it done.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 10 to 40 ft | dawn & dusk | Main-lake point (18 ft) | Casting spoon over shoals, Jerkbait (shallow) |
| Été | 35 to 118 ft | dawn | Deep basin (118 ft) | White tube jig (deep), Magnum spoon on downrigger |
| Automne | 10 to 50 ft | dusk & dawn | Main-lake point (18 ft) | Heavy casting spoon, Jigging rap over reefs |
| Hiver | 20 to 80 ft | dawn | Break off the point (33 ft) | White tube jig, Airplane jig |
Start shallow in spring: landlocked salmon sit in 1 to 15 ft that time of year. Summer pushes them deeper, 25 to 60 ft, and winter fish settle into 10 to 40 ft. The spot to know is Break off the point, a drop-off in about 33 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 | Main-lake point (18 ft) | Streamer flies (Grey Ghost) off boards, Thin spoon (Mooselook style) |
| Été | 25 to 60 ft | dawn & dusk | Break off the point (33 ft) | Dodger + streamer down deep, Thin spoon on lead core |
| Automne | 5 to 30 ft | dawn & dusk | Main-lake point (18 ft) | Casting spoon at the mouths, Streamers |
| Hiver | 10 to 40 ft | dawn | Break off the point (33 ft) | Small jigging spoon, Swedish pimple + smelt |
Come spring, look for lake whitefish tight to the bank in 15 to 45 ft. They move out to 40 to 90 ft in summer and finish the year down in 25 to 70 ft. If you only fish one area, make it Break off the point: a drop-off around 33 ft that scores prime in spring. Best bite is early morning. A blade bait vertical or a small jigging spoon is the honest summer answer here.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 15 to 45 ft | midday & dawn | Break off the point (33 ft) | Small jig + waxworm, Blade bait (small) |
| Été | 40 to 90 ft | dawn | Break off the point (33 ft) | Blade bait vertical, Small jigging spoon |
| Automne | 8 to 30 ft | dusk | Main-lake point (18 ft) | Small spoon (gold), Jig + plastic larva |
| Hiver | 25 to 70 ft | midday & dawn | Break off the point (33 ft) | Jigging spoon + bead chain, Tungsten jig + waxie |
Lac Roy carries 6 mapped structure features, topping out (or rather bottoming out) at Deep basin, about 118 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 Roy specifically, so confirm the current rules before you fish.
Check the official Québec fishing regulations →
Lac Roy is about 118 ft (36 m) deep at its deepest point. The depth chart here comes from real state fisheries GPS surveys, so the contours reflect measured depths.
Lac Roy atteint environ 36 m (118 pi) à son point le plus profond. Les profondeurs proviennent de relevés bathymétriques réels.
Anglers target brook trout, lake trout, landlocked salmon, lake whitefish on Lac Roy. 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 118 ft of water that rates prime for lake trout in summer. The interactive chart above rates every spot for each 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 Roy 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 Langis 2 mi · Lac Édouard 3 mi · Lac Yam 7 mi · Lac Profond 7 mi · Lac Riverin 9 mi · Petit lac Simard 9 mi · Lac Quatre Lieues 10 mi · Lac Guillemette 12 mi · Lac Simard 13 mi · Lac Alain-Potvin 20 mi · Lac de la Coop 20 mi · Lac des Noyés 21 mi
See how Lac Roy stacks up: best lake trout lakes in Québec · best brook trout lakes in Québec · best landlocked salmon lakes in Québec · best lake whitefish lakes in Québec
More water nearby: Sept-Rivières--Caniapiscau fishing maps (27 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.