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585-acre lake near Québec. The lake tops out around 31 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.
Drawn out, this is 584 acres of water rimmed by 6 miles of bank. The shoreline is moderately structured (index 1.8) — enough points and pockets to pattern. About 44% of the surface sits shallower than 15 ft — that's the weed-and-bait zone. Call it 2.7 mi long by 0.9 mi wide at the broadest reach. You'll find it in Rivière-du-Loup MRC. For a second option, Lac Saint-Hubert lies 4 mi northeast.
Carte de pêche interactive gratuite — Lac Saint-François, Québec : courbes de profondeur issues de relevés bathymétriques réels jusqu'à 9 m (31 pi), et les meilleurs sites pour omble de fontaine, ouananiche, perchaude et plus. Les profondeurs proviennent de la Géobase des bathymétries de lac du Québec (MELCCFP) lorsque disponibles.
In spring, brook trout run shallow here, mostly 2 to 15 ft. Summer pushes them deeper, 10 to 30 ft, and winter fish settle into 3 to 20 ft. Deep basin is the standout, a deep basin at roughly 30 ft, rated prime for summer brook trout. Time it for early morning and the evening. You won't need more than a small spoon fished deep or a trolled lake-clear wobbler + worm most summer days.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 2 to 15 ft | dawn & dusk | Main-lake point (5 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 | Main-lake point (5 ft) | Small spoon (orange), Spinner |
| Hiver | 3 to 20 ft | dawn | Break off the point (20 ft) | Small jigging spoon, Tungsten jig + plastic |
Spring puts landlocked salmon in skinny water — 1 to 15 ft is the zone. As the season builds they drop to 9 to 31 ft, wintering in 8 to 31 ft. Summer landlocked salmon concentrate at Deep basin, a prime-rated deep basin around 30 ft. Warm-month bites cluster around early morning and the evening. A dodger + streamer down deep or a thin spoon on lead core covers the summer program.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 1 to 15 ft | dawn & dusk | Main-lake point (5 ft) | Streamer flies (Grey Ghost) off boards, Thin spoon (Mooselook style) |
| Été | 9 to 31 ft | dawn & dusk | Deep basin (30 ft) | Dodger + streamer down deep, Thin spoon on lead core |
| Automne | 5 to 30 ft | dawn & dusk | Main-lake point (5 ft) | Casting spoon at the mouths, Streamers |
| Hiver | 8 to 31 ft | dawn | Deep basin (30 ft) | Small jigging spoon, Swedish pimple + smelt |
Come spring, look for yellow perch tight to the bank in 3 to 12 ft. They move out to 10 to 30 ft in summer and finish the year down in 9 to 31 ft. If you only fish one area, make it Shallow bay flat: a weed flat around 9 ft that scores prime in spring. Best bite is early morning. A drop-shot micro plastics or a small spoon tipped with worm is the honest summer answer here.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 3 to 12 ft | midday & dawn | Shallow bay flat (9 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 31 ft | midday | Deep basin (30 ft) | Jigging spoon (small), Perch rig / spreader |
| Hiver | 9 to 31 ft | midday & dawn | Deep basin (30 ft) | Tungsten jig + spikes, Rattle spoon (small) |
In spring, brown bullhead run shallow here, mostly 2 to 8 ft. Midsummer fish sit out in 3 to 12 ft before dropping to 10 to 25 ft for winter. Spring brown bullhead concentrate at Back-bay flat, a prime-rated weed flat around 3 ft. Fish it in after dark and the evening and you'll meet the bite.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 2 to 8 ft | dusk & night | Back-bay flat (3 ft) | |
| Été | 3 to 12 ft | night & dusk | Shallow bay flat (9 ft) | |
| Automne | 5 to 15 ft | dusk | Shallow bay flat (9 ft) | |
| Hiver | 10 to 25 ft | midday | Deep basin (30 ft) |
The chart marks 7 structure features on Lac Saint-François; the deepest is Deep basin at about 30 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 Saint-François specifically, so confirm the current rules before you fish.
Check the official Québec fishing regulations →
Lac Saint-François is about 31 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 Saint-François atteint environ 9 m (31 pi) à son point le plus profond. Les profondeurs proviennent de relevés bathymétriques réels.
Anglers target brook trout, landlocked salmon, yellow perch, brown bullhead on Lac Saint-François. 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. Scroll up to the map for the complete spot list by 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 Saint-François 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 Saint-Hubert 4 mi · Lac Pohénégamook 18 mi · Lac Témiscouata 25 mi · Grand lac Touladi 25 mi · Jones Pond 27 mi, ME · Lac Long 30 mi · Lac Saint-Mathieu 31 mi · Le Beau Lac 31 mi, QC/ME · Petit lac Saint-Mathieu 33 mi · Hafey Pond 34 mi, ME · Grand lac Squatec 34 mi · Lac Saint-Pierre 36 mi
See how Lac Saint-François stacks up: best yellow perch lakes in Québec · best brook trout lakes in Québec · best landlocked salmon lakes in Québec · best brown bullhead lakes in Québec
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.