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11-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. Below is the species-by-species picture, pulled from the same data the map uses.
The drawn water covers 11 acres wrapped in 0.6 miles of bank, broken up by an island. The basin is a simple one (shoreline index 1.4) — close to a bowl, so the structure on the chart matters more than the bank. Littoral water — the productive band under ~15 ft — makes up 85% of this chart. End to end it runs roughly 0.3 mi. It sits in Charlevoix MRC. If the bite dies, Lac Chapin is 0 mi to the south.
Carte de pêche interactive gratuite — Lac à la Grosse Tête, Québec : courbes de profondeur issues de relevés bathymétriques réels jusqu'à 8 m (26 pi), et les meilleurs sites pour omble de fontaine et perchaude. Les profondeurs proviennent de la Géobase des bathymétries de lac du Québec (MELCCFP) lorsque disponibles.
When the water first warms, brook trout slide up into 2 to 15 ft. By summer they slide out to 8 to 26 ft, and by winter most fish are in 3 to 20 ft. If you only fish one area, make it Deep basin: a deep basin around 26 ft that scores prime in summer. In summer the feeding windows fall in early morning and the evening. Keep a small spoon fished deep or a trolled lake-clear wobbler + worm rigged through the warm months.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 2 to 15 ft | dawn & dusk | Main-lake point (1 ft) | Small inline spinner (gold), Tiny spoon |
| Été | 8 to 26 ft | dawn & dusk | Deep basin (26 ft) | Small spoon fished deep, Trolled lake-clear wobbler + worm |
| Automne | 2 to 15 ft | midday & dawn | Main-lake point (1 ft) | Small spoon (orange), Spinner |
| Hiver | 3 to 20 ft | dawn | Break off the point (7 ft) | Small jigging spoon, Tungsten jig + plastic |
Spring puts yellow perch in skinny water — 3 to 12 ft is the zone. Warm water sends them out to 8 to 26 ft; cold water stacks them in 8 to 26 ft. Deep basin is the standout, a deep basin at roughly 26 ft, rated prime for fall yellow perch. Plan around early morning in the warm months. A drop-shot micro plastics or a small spoon tipped with worm covers the summer program.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 3 to 12 ft | midday & dawn | open water | Small jig + curly tail, Perch-pattern micro crank |
| Été | 8 to 26 ft | dawn | Deep basin (26 ft) | Drop-shot micro plastics, Small spoon tipped with worm |
| Automne | 8 to 26 ft | midday | Deep basin (26 ft) | Jigging spoon (small), Perch rig / spreader |
| Hiver | 8 to 26 ft | midday & dawn | Deep basin (26 ft) | Tungsten jig + spikes, Rattle spoon (small) |
Count 3 structure marks on this chart. The deepest, Deep basin, sits near 26 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 Grosse Tête specifically, so confirm the current rules before you fish.
Check the official Québec fishing regulations →
Lac à la Grosse Tête 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 Grosse Tête atteint environ 8 m (26 pi) à son point le plus profond. Les profondeurs proviennent de relevés bathymétriques réels.
Anglers target brook trout, yellow perch on Lac à la Grosse Tête. 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 26 ft of water that rates prime for yellow perch in fall. 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 à la Grosse Tête 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 Chapin 0 mi · Lac Madeleine 1 mi · Lac Saint-Denys 1 mi · Lac Sainte-Anne du Nord 1 mi · Lac Nain 2 mi · Lac des Bois Verts 2 mi · Petit lac des Bois Verts 2 mi · Lac à Poux 3 mi · Lac Roche 3 mi · Lac Pointu 3 mi · Lac Arthabaska 3 mi · Lac des Îles 4 mi
See how Lac à la Grosse Tête stacks up: best yellow perch lakes in Québec · best brook trout lakes in Québec
More water nearby: Charlevoix MRC fishing maps (85 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.