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22-acre lake near Québec. The lake tops out around 39 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.
Lac Saint-Pierre maps at 22 acres behind 0.8 miles of shoreline. At index 1.3 the outline is almost a bowl — read the depth changes, not the shoreline. Roughly 66% of the water is 15 ft or less, the band where the food chain lives. The basin spans about 0.4 mi end to end. Le Saguenay-et-son-Fjord claims this one. Lac Cyriac sits 1 mi northwest — the closest neighbouring chart.
Carte de pêche interactive gratuite — Lac Saint-Pierre, Québec : courbes de profondeur issues de relevés bathymétriques réels jusqu'à 12 m (39 pi), et les meilleurs sites pour omble de fontaine, ouananiche et perchaude. Les profondeurs proviennent de la Géobase des bathymétries de lac du Québec (MELCCFP) lorsque disponibles.
Spring brook trout on Lac Saint-Pierre hold shallow, usually 2 to 15 ft. They move out to 10 to 30 ft in summer and finish the year down in 3 to 20 ft. Put Shallow bay flat first on the milk run — a weed flat near 2 ft that grades good for spring. The feeding windows run early morning and the evening. The summer box starts with a small spoon fished deep or a trolled lake-clear wobbler + worm.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 2 to 15 ft | dawn & dusk | Shallow bay flat (2 ft) | Small inline spinner (gold), Tiny spoon |
| Été | 10 to 30 ft | dawn & dusk | Deep basin (38 ft) | Small spoon fished deep, Trolled lake-clear wobbler + worm |
| Automne | 2 to 15 ft | midday & dawn | open water | Small spoon (orange), Spinner |
| Hiver | 3 to 20 ft | dawn | Back-bay flat (5 ft) | Small jigging spoon, Tungsten jig + plastic |
Early season landlocked salmon use the shallows, holding in 1 to 15 ft. Summer is a 12 to 39 ft game here, winter a 10 to 39 ft one. The chart's best answer is Deep basin — deep basin, 38 ft, prime for summer. Best bite is early morning and the evening. Tie on a dodger + streamer down deep or a thin spoon on lead core and you're in the game.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 1 to 15 ft | dawn & dusk | open water | Streamer flies (Grey Ghost) off boards, Thin spoon (Mooselook style) |
| Été | 12 to 39 ft | dawn & dusk | Deep basin (38 ft) | Dodger + streamer down deep, Thin spoon on lead core |
| Automne | 5 to 30 ft | dawn & dusk | open water | Casting spoon at the mouths, Streamers |
| Hiver | 10 to 39 ft | dawn | Deep basin (38 ft) | Small jigging spoon, Swedish pimple + smelt |
Start shallow in spring: yellow perch sit in 3 to 12 ft that time of year. Summer pushes them deeper, 10 to 30 ft, and winter fish settle into 15 to 35 ft. The spot to know is Back-bay flat, a weed flat in about 5 ft of water that rates prime for yellow perch in spring. Warm-month bites cluster around early morning. Throw a drop-shot micro plastics or a small spoon tipped with worm until the fish tell you otherwise.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 3 to 12 ft | midday & dawn | Back-bay flat (5 ft) | Small jig + curly tail, Perch-pattern micro crank |
| Été | 10 to 30 ft | dawn | Back-bay flat (5 ft) | Drop-shot micro plastics, Small spoon tipped with worm |
| Automne | 12 to 35 ft | midday | Deep basin (38 ft) | Jigging spoon (small), Perch rig / spreader |
| Hiver | 15 to 35 ft | midday & dawn | Deep basin (38 ft) | Tungsten jig + spikes, Rattle spoon (small) |
3 pieces of structure are mapped here — Deep basin, around 38 ft, is the deepest of them.
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-Pierre specifically, so confirm the current rules before you fish.
Check the official Québec fishing regulations →
Lac Saint-Pierre is about 39 ft (12 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-Pierre atteint environ 12 m (39 pi) à son point le plus profond. Les profondeurs proviennent de relevés bathymétriques réels.
Anglers target brook trout, landlocked salmon, yellow perch on Lac Saint-Pierre. 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 38 ft of water that rates prime for landlocked salmon 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 Saint-Pierre 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 Cyriac 1 mi · Lac Nixon 1 mi · Lac du Quai 1 mi · Lac Laurier 2 mi · Lac Ministuk 2 mi · Lac Chavary 3 mi · Lac Paul 3 mi · Lac Normand 3 mi · Lac Ayette 4 mi · Lac Richelieu 5 mi · Lac Lévesque 6 mi · Lac Yvette 6 mi
See how Lac Saint-Pierre stacks up: best yellow perch lakes in Québec · best brook trout lakes in Québec · best landlocked salmon lakes in Québec
More water nearby: Le Saguenay-et-son-Fjord fishing maps (21 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.