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753-acre lake near Québec. The lake tops out around 26 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.
Traced from the shoreline, Lac à la Tortue runs 753 acres with 6.1 miles of edge. Index 1.6 on the shoreline: a few honest points and pockets, nothing labyrinthine. About 95% of the surface sits shallower than 15 ft — that's the weed-and-bait zone. End to end it runs roughly 2.5 mi, about 1 mi across. You'll find it in Shawinigan. Closest neighbour on DepthScout: Lac Chrétien, 7 mi west of here.
Carte de pêche interactive gratuite — Lac à la Tortue, Québec : courbes de profondeur issues de relevés bathymétriques réels jusqu'à 8 m (26 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.
The spring pattern is a shallow one: brook trout in 2 to 15 ft. As the season builds they drop to 8 to 26 ft, wintering in 3 to 20 ft. Top water on the chart: Deep basin, a deep basin in the 24 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 | Main-lake point (3 ft) | Small inline spinner (gold), Tiny spoon |
| Été | 8 to 26 ft | dawn & dusk | Deep basin (24 ft) | Small spoon fished deep, Trolled lake-clear wobbler + worm |
| Automne | 2 to 15 ft | midday & dawn | Main-lake point (3 ft) | Small spoon (orange), Spinner |
| Hiver | 3 to 20 ft | dawn | Break off the point (9 ft) | Small jigging spoon, Tungsten jig + plastic |
Spring walleye on Lac à la Tortue hold shallow, usually 4 to 15 ft. By summer they slide out to 8 to 26 ft, and by winter most fish are in 8 to 26 ft. The chart's best answer is Break off the point — drop-off, 9 ft, prime for fall. 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 | Secondary point (4 ft) | 1/8 oz jig + minnow, Hair jig |
| Été | 8 to 26 ft | dusk & dawn | Break off the point (9 ft) | Crawler harness on bottom bouncer, Deep crankbait (trolled) |
| Automne | 8 to 26 ft | dusk & night | Break off the point (9 ft) | Jigging rap, Jig + big minnow |
| Hiver | 8 to 26 ft | dusk & dawn | Deep basin (24 ft) | Jigging spoon + minnow head, Rattle bait |
Early season yellow perch use the shallows, holding in 3 to 12 ft. Summer is an 8 to 26 ft game here, winter an 8 to 26 ft one. The chart's best answer is Shallow bay flat — weed flat, 3 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 (3 ft) | Small jig + curly tail, Perch-pattern micro crank |
| Été | 8 to 26 ft | dawn | Deep basin (24 ft) | Drop-shot micro plastics, Small spoon tipped with worm |
| Automne | 8 to 26 ft | midday | Deep basin (24 ft) | Jigging spoon (small), Perch rig / spreader |
| Hiver | 8 to 26 ft | midday & dawn | Deep basin (24 ft) | Tungsten jig + spikes, Rattle spoon (small) |
In spring, northern pike run shallow here, mostly 2 to 8 ft. Midsummer fish sit out in 8 to 20 ft before dropping to 5 to 15 ft for winter. Spring northern pike concentrate at Shallow bay flat, a prime-rated weed flat around 3 ft. Fish it in early morning and the evening and you'll meet the bite. You won't need more than a bucktail or a weedless spoon over cabbage most summer days.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 2 to 8 ft | midday & dawn | Shallow bay flat (3 ft) | #5 inline spinner, Spoon (red/white) |
| Été | 8 to 20 ft | dawn & dusk | Break off the point (9 ft) | Bucktail, Weedless spoon over cabbage |
| Automne | 6 to 18 ft | midday & dawn | Break off the point (9 ft) | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Hiver | 5 to 15 ft | midday | Shallow bay flat (3 ft) | Tip-ups, Large jigging spoon |
Start shallow in spring: muskellunge sit in 3 to 12 ft that time of year. Warm water sends them out to 8 to 25 ft; cold water stacks them in 8 to 26 ft. Top water on the chart: Break off the point, a drop-off in the 9 ft range, prime in fall. Fish it in the evening and early morning and you'll meet the bite. Throw a double-10 bucktail or a topwater (walk-the-dog / creeper) until the fish tell you otherwise.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 3 to 12 ft | dusk | Shallow bay flat (3 ft) | Smaller bucktail (#8 blades), 6" glide bait |
| Été | 8 to 25 ft | dusk & dawn | Break off the point (9 ft) | Double-10 bucktail, Topwater (walk-the-dog / creeper) |
| Automne | 7 to 26 ft | midday & dusk | Break off the point (9 ft) | Big rubber (Bull Dawg style), 10"+ glide bait |
| Hiver | 8 to 26 ft | midday | Deep basin (24 ft) | Large rubber, crawled slow |
In spring, smallmouth bass run shallow here, mostly 3 to 12 ft. Midsummer fish sit out in 8 to 26 ft before dropping to 8 to 26 ft for winter. Winter smallmouth bass concentrate at Break off the point, a prime-rated drop-off around 9 ft. Fish it in early morning and the evening and you'll meet the bite. You won't need more than a drop shot (goby/minnow) or a ned rig most summer days.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 3 to 12 ft | dawn & dusk | Main-lake point (3 ft) | Ned rig, Tube jig |
| Été | 8 to 26 ft | dawn & dusk | Break off the point (9 ft) | Drop shot (goby/minnow), Ned rig |
| Automne | 8 to 25 ft | midday & dawn | Break off the point (9 ft) | Jerkbait, Blade bait |
| Hiver | 8 to 26 ft | midday | Break off the point (9 ft) | Blade bait, Hair jig |
Lac à la Tortue also holds rock bass (5 to 20 ft in summer), pumpkinseed (2 to 10 ft in summer), brown bullhead (3 to 12 ft in summer). Pick any of them on the map above for rated spots and bait picks.
The chart marks 7 structure features on Lac à la Tortue; the deepest is Deep basin at about 24 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 à la Tortue specifically, so confirm the current rules before you fish.
Check the official Québec fishing regulations →
Lac à la Tortue is about 26 ft (8 m) deep at its deepest point. The depth chart here comes from real state fisheries GPS surveys, so the contours reflect measured depths.
Lac à la Tortue atteint environ 8 m (26 pi) à son point le plus profond. Les profondeurs proviennent de relevés bathymétriques réels.
Anglers target brook trout, walleye, yellow perch, northern pike, muskellunge, smallmouth bass, rock bass, pumpkinseed, brown bullhead on Lac à la Tortue. 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 9 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 à la Tortue 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 Chrétien 7 mi · Lac Mondor 7 mi · Lac Caron 9 mi · Lac à la Perchaude 9 mi · Lac Lamarre 9 mi · Lac Pierre-Paul 9 mi · Lac à la Perchaude 11 mi · Lac Vincent 11 mi · Lac Archange 12 mi · Lac McLaren 14 mi · Lac Héroux 14 mi · Lac des Six 15 mi
See how Lac à la Tortue stacks up: best smallmouth bass lakes in Québec · best walleye lakes in Québec · best northern pike lakes in Québec · best muskellunge lakes in Québec
More water nearby: Shawinigan fishing maps (7 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.