Lake depth chart
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60-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. Here is how the season plays out for each species, straight from the data behind the map.
The outline encloses 60 acres, worked by 1.2 miles of shoreline. A shoreline index of 1.1 says round and simple: fish relate to depth changes here, not shoreline features. About 48% of the surface sits shallower than 15 ft — that's the weed-and-bait zone. The basin spans about 0.5 mi end to end and 0.3 mi across at its widest. It sits in Lac-Saint-Jean-Est MRC. If the bite dies, Lac Suzor-Coté is 2 mi to the north.
Carte de pêche interactive gratuite — Lac Bonjour, Québec : courbes de profondeur issues de relevés bathymétriques réels jusqu'à 16 m (53 pi), et les meilleurs sites pour omble de fontaine, touladi, grand corégone et plus. Les profondeurs proviennent de la Géobase des bathymétries de lac du Québec (MELCCFP) lorsque disponibles.
Early season brook trout use the shallows, holding in 2 to 15 ft. Expect a summer slide to 10 to 30 ft, then a winter hold in 3 to 20 ft. Put Shallow bay flat first on the milk run — a weed flat near 7 ft that grades good for spring. In summer the feeding windows fall in early morning and the evening. Tie on a small spoon fished deep or a trolled lake-clear wobbler + worm and you're in the game.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 2 to 15 ft | dawn & dusk | Shallow bay flat (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 | open water | Small spoon (orange), Spinner |
| Hiver | 3 to 20 ft | dawn | Shallow bay flat (7 ft) | Small jigging spoon, Tungsten jig + plastic |
When the water first warms, lake trout slide up into 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. If you only fish one area, make it Deep basin: a deep basin around 52 ft that scores prime in summer. In summer the feeding windows fall in early morning. Keep a white tube jig (deep) or a magnum spoon on downrigger rigged through the warm months.
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 | open water | Casting spoon over shoals, Jerkbait (shallow) |
| Été | 16 to 53 ft chart-limited; documented 50 to 120 ft | dawn | Deep basin (52 ft) | White tube jig (deep), Magnum spoon on downrigger |
| Automne | 10 to 50 ft | dusk & dawn | open water | Heavy casting spoon, Jigging rap over reefs |
| Hiver | 13 to 53 ft chart-limited; documented 20 to 80 ft | dawn | Deep basin (52 ft) | White tube jig, Airplane jig |
Start shallow in spring: lake whitefish sit in 15 to 45 ft that time of year. Summer pushes them deeper, 16 to 53 ft, and winter fish settle into 16 to 53 ft. The spot to know is Deep basin, a deep basin in about 52 ft of water that rates prime for lake whitefish in summer. Warm-month bites cluster around early morning. Throw a blade bait vertical or a small jigging spoon until the fish tell you otherwise.
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 | open water | Small jig + waxworm, Blade bait (small) |
| Été | 16 to 53 ft chart-limited; documented 40 to 90 ft | dawn | Deep basin (52 ft) | Blade bait vertical, Small jigging spoon |
| Automne | 8 to 30 ft | dusk | open water | Small spoon (gold), Jig + plastic larva |
| Hiver | 16 to 53 ft chart-limited; documented 25 to 70 ft | midday & dawn | Deep basin (52 ft) | Jigging spoon + bead chain, Tungsten jig + waxie |
Start shallow in spring: cisco (lake herring) sit in 10 to 40 ft that time of year. Summer pushes them deeper, 16 to 53 ft, and winter fish settle into 16 to 53 ft. The spot to know is Deep basin, a deep basin in about 52 ft of water that rates prime for cisco (lake herring) in summer. Warm-month bites cluster around early morning. Throw a vertical flutter spoon (small) or a drop-shot micro plastic until the fish tell you otherwise.
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 (52 ft) | Small silver spoon, Tiny swim jig (white) |
| Été | 16 to 53 ft chart-limited; documented 40 to 80 ft | dawn | Deep basin (52 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 (52 ft) | Small jigging spoon (glow/silver), Tungsten jig + minnow head |
The spring pattern is a shallow one: yellow perch in 3 to 12 ft. Midsummer fish sit out in 10 to 30 ft before dropping to 15 to 35 ft for winter. The spot to know is Shallow bay flat, a weed flat in about 7 ft of water that rates prime for yellow perch in spring. Plan around early morning in the warm months. Summer baits: a drop-shot micro plastics or a small spoon tipped with worm gets it done.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 3 to 12 ft | midday & dawn | Shallow bay flat (7 ft) | Small jig + curly tail, Perch-pattern micro crank |
| Été | 10 to 30 ft | dawn | Shallow bay flat (7 ft) | Drop-shot micro plastics, Small spoon tipped with worm |
| Automne | 12 to 35 ft | midday | open water | Jigging spoon (small), Perch rig / spreader |
| Hiver | 15 to 35 ft | midday & dawn | open water | Tungsten jig + spikes, Rattle spoon (small) |
When the water first warms, burbot slide up into 16 to 53 ft. There's no big seasonal slide here — summer means 16 to 53 ft, winter 13 to 53 ft. If you only fish one area, make it Deep basin: a deep basin around 52 ft that scores prime in spring. In summer the feeding windows fall in after dark and midday. Keep a heavy jig + cut bait rigged through the warm months.
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 | 16 to 53 ft chart-limited; documented 25 to 70 ft | night & dusk | Deep basin (52 ft) | Glow jigging spoon + cut bait, Rattle bait (dark) |
| Été | 16 to 53 ft chart-limited; documented 50 to 120 ft | night & midday | Deep basin (52 ft) | Heavy jig + cut bait |
| Automne | 16 to 53 ft chart-limited; documented 30 to 80 ft | night & dusk | Deep basin (52 ft) | Glow spoon + minnow head, Blade bait (slow) |
| Hiver | 13 to 53 ft chart-limited; documented 15 to 60 ft | night & dusk | Deep basin (52 ft) | Glow tungsten + cut bait, Rattle spoon + minnow head |
3 pieces of structure are mapped here — Deep basin, around 52 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 Bonjour specifically, so confirm the current rules before you fish.
Check the official Québec fishing regulations →
Lac Bonjour 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 Bonjour 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, lake whitefish, cisco (lake herring), yellow perch, burbot on Lac Bonjour. 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 52 ft of water that rates prime for lake trout 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 Bonjour 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 Suzor-Coté 2 mi · Lac Bousquet 2 mi · Lac Gobeil 3 mi · Lac Pika 6 mi · Lac Godin 6 mi · Lac Scott 7 mi · Lac Clarence-Gagnon 7 mi · Lac Morin 8 mi · Lac Lévesque 8 mi · Lac Paul 9 mi · Lac Yvette 9 mi · Lac Ministuk 9 mi
See how Lac Bonjour 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: Lac-Saint-Jean-Est MRC fishing maps (12 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.