Lake depth chart
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46-acre lake near Québec. The lake tops out around 53 ft. The depth chart comes from published agency bathymetric survey data, so the contours are survey-derived rather than computer-modeled. What follows comes from the same scoring engine that paints the spots above.
Lac Arthabaska maps at 46 acres behind 1 miles of shoreline. A shoreline index of 1.1 says round and simple: fish relate to depth changes here, not shoreline features. Roughly 22% of the water is 15 ft or less, the band where the food chain lives. Call it 0.4 mi long by 0.3 mi wide at the broadest reach. It sits in Charlevoix MRC. Its nearest charted neighbour, Lac des Îles, is 1 mi to the south.
Carte de pêche interactive gratuite — Lac Arthabaska, Québec : courbes de profondeur issues de relevés bathymétriques réels jusqu'à 16 m (53 pi), et les meilleurs sites pour omble de fontaine, touladi, omble chevalier 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 15 ft. Expect a summer slide to 10 to 30 ft, then a winter hold in 3 to 20 ft. Start at Main-lake point. It's a point holding about 7 ft of water and rates prime come spring. Prime time lands in 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 15 ft | dawn & dusk | Main-lake point (7 ft) | Small inline spinner (gold), Tiny spoon |
| Été | 10 to 30 ft | dawn & dusk | open water | Small spoon fished deep, Trolled lake-clear wobbler + worm |
| Automne | 2 to 15 ft | midday & dawn | Main-lake point (7 ft) | Small spoon (orange), Spinner |
| Hiver | 3 to 20 ft | dawn | Shallow bay flat (8 ft) | Small jigging spoon, Tungsten jig + plastic |
Spring lake trout on Lac Arthabaska hold shallow, usually 10 to 40 ft. By summer they slide out to 16 to 53 ft, and by winter most fish are in 13 to 53 ft. The chart's best answer is Deep basin — deep basin, 50 ft, prime for summer. Prime time lands in early morning. The summer box starts with a white tube jig (deep) or a magnum spoon on downrigger.
Depth note: when a documented seasonal range extends below this chart, the table shows the deepest mapped working water, not a verified holding depth.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 10 to 40 ft | dawn & dusk | Main-lake point (7 ft) | Casting spoon over shoals, Jerkbait (shallow) |
| Été | 16 to 53 ft chart-limited; documented 50 to 120 ft | dawn | Deep basin (50 ft) | White tube jig (deep), Magnum spoon on downrigger |
| Automne | 10 to 50 ft | dusk & dawn | Main-lake point (7 ft) | Heavy casting spoon, Jigging rap over reefs |
| Hiver | 13 to 53 ft chart-limited; documented 20 to 80 ft | dawn | Deep basin (50 ft) | White tube jig, Airplane jig |
In spring, arctic char run shallow here, mostly 4 to 15 ft. Summer pushes them deeper, 16 to 53 ft, and winter fish settle into 10 to 40 ft. Deep basin is the standout, a deep basin at roughly 50 ft, rated prime for summer arctic char. Time it for early morning. You won't need more than a jigging spoon vertical or a tube jig (smelt) most summer days.
Depth note: when a documented seasonal range extends below this chart, the table shows the deepest mapped working water, not a verified holding depth.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 4 to 15 ft | midday & dawn | open water | Small casting spoon (silver/orange), Jerkbait (small) |
| Été | 16 to 53 ft chart-limited; documented 20 to 60 ft | dawn | Deep basin (50 ft) | Jigging spoon vertical, Tube jig (smelt) |
| Automne | 8 to 30 ft | midday & dusk | open water | Casting spoon (orange/gold), Beadhead streamer |
| Hiver | 10 to 40 ft | midday & dawn | Deep basin (50 ft) | Jigging spoon (glow/silver), Tungsten jig + plastic |
In spring, lake whitefish run shallow here, mostly 15 to 45 ft. Summer pushes them deeper, 16 to 53 ft, and winter fish settle into 16 to 53 ft. Deep basin is the standout, a deep basin at roughly 50 ft, rated prime for summer lake whitefish. Time it for early morning. You won't need more than a blade bait vertical or a small jigging spoon most summer days.
Depth note: when a documented seasonal range extends below this chart, the table shows the deepest mapped working water, not a verified holding depth.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 15 to 45 ft | midday & dawn | Break off the point (45 ft) | Small jig + waxworm, Blade bait (small) |
| Été | 16 to 53 ft chart-limited; documented 40 to 90 ft | dawn | Deep basin (50 ft) | Blade bait vertical, Small jigging spoon |
| Automne | 8 to 30 ft | dusk | Main-lake point (7 ft) | Small spoon (gold), Jig + plastic larva |
| Hiver | 16 to 53 ft chart-limited; documented 25 to 70 ft | midday & dawn | Deep basin (50 ft) | Jigging spoon + bead chain, Tungsten jig + waxie |
In spring, cisco (lake herring) run shallow here, mostly 10 to 40 ft. Summer pushes them deeper, 16 to 53 ft, and winter fish settle into 16 to 53 ft. Deep basin is the standout, a deep basin at roughly 50 ft, rated prime for summer cisco (lake herring). Time it for early morning. You won't need more than a vertical flutter spoon (small) or a drop-shot micro plastic most summer days.
Depth note: when a documented seasonal range extends below this chart, the table shows the deepest mapped working water, not a verified holding depth.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 10 to 40 ft | dawn & dusk | Deep basin (50 ft) | Small silver spoon, Tiny swim jig (white) |
| Été | 16 to 53 ft chart-limited; documented 40 to 80 ft | dawn | Deep basin (50 ft) | Vertical flutter spoon (small), Drop-shot micro plastic |
| Automne | 5 to 25 ft | dusk & dawn | open water | Small casting spoon, Inline spinner (silver) |
| Hiver | 16 to 53 ft chart-limited; documented 20 to 60 ft | dawn | Deep basin (50 ft) | Small jigging spoon (glow/silver), Tungsten jig + minnow head |
In spring, yellow perch run shallow here, mostly 3 to 12 ft. Midsummer fish sit out in 10 to 30 ft before dropping to 15 to 35 ft for winter. Spring yellow perch concentrate at Shallow bay flat, a prime-rated weed flat around 8 ft. Fish it in early morning and you'll meet the bite. 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 (8 ft) | Small jig + curly tail, Perch-pattern micro crank |
| Été | 10 to 30 ft | dawn | Shallow bay flat (8 ft) | Drop-shot micro plastics, Small spoon tipped with worm |
| Automne | 12 to 35 ft | midday | Break off the point (45 ft) | Jigging spoon (small), Perch rig / spreader |
| Hiver | 15 to 35 ft | midday & dawn | open water | Tungsten jig + spikes, Rattle spoon (small) |
Lac Arthabaska also holds burbot (16 to 53 ft in summer). Pick any of them on the map above for rated spots and bait picks.
Lac Arthabaska carries 5 mapped structure features, topping out (or rather bottoming out) at Deep basin, about 50 ft down.
Access data: OpenStreetMap contributors (ODbL) — community-mapped launches. Confirm conditions and fees locally before you launch.
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 Arthabaska specifically, so confirm the current rules before you fish.
Check the official Québec fishing regulations →
Lac Arthabaska is about 53 ft (16 m) deep at its deepest point. The depth chart comes from published agency bathymetric survey data, so the contours are survey-derived rather than computer-modeled.
Lac Arthabaska atteint environ 16 m (53 pi) à son point le plus profond. Les profondeurs proviennent de relevés bathymétriques réels.
Anglers target brook trout, lake trout, arctic char, lake whitefish, cisco (lake herring), yellow perch, burbot on Lac Arthabaska. 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 50 ft of water that rates prime for lake trout in summer. 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 Arthabaska 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 des Îles 1 mi · Lac Turgeon 1 mi · Lac Pemmican 1 mi · Lac Taschereau 2 mi · Lac Charles 2 mi · Lac Entouré 2 mi · Lac à Poux 2 mi · Lac Sainte-Anne du Nord 3 mi · Lac Carré 3 mi · Lac Saint-Denys 3 mi · Lac Madeleine 3 mi · Lac Chapin 3 mi
See how Lac Arthabaska stacks up: best yellow perch lakes in Québec · best lake trout lakes in Québec · best brook trout lakes in Québec · best lake whitefish lakes in Québec
More water nearby: Charlevoix MRC fishing maps (85 charts). Browse all Québec fishing maps. See every water on DepthScout. Bathymetry: published agency survey data. 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.