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233-acre lake near Québec. The lake tops out around 16 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 season-by-season read for each species follows, from the map's own numbers.
Drawn out, this is 233 acres of water rimmed by 2.5 miles of bank. The basin is a simple one (shoreline index 1.2) — close to a bowl, so the structure on the chart matters more than the bank. About 80% of the surface sits shallower than 15 ft — that's the weed-and-bait zone. End to end it runs roughly 1 mi, about 0.4 mi across. You'll find it in Les Appalaches MRC. For a second option, Lac à la Truite lies 4 mi northwest.
Carte de pêche interactive gratuite — Lac Bolduc, Québec : courbes de profondeur issues de relevés bathymétriques réels jusqu'à 5 m (16 pi), et les meilleurs sites pour omble de fontaine, truite arc-en-ciel, truite brune 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, 5 to 16 ft, and winter fish settle into 2 to 16 ft. Deep basin is the standout, a deep basin at roughly 16 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 (3 ft) | Small inline spinner (gold), Tiny spoon |
| Été | 5 to 16 ft | dawn & dusk | Deep basin (16 ft) | Small spoon fished deep, Trolled lake-clear wobbler + worm |
| Automne | 2 to 15 ft | midday & dawn | Main-lake point (3 ft) | Small spoon (orange), Spinner |
| Hiver | 2 to 16 ft | dawn | Deep basin (16 ft) | Small jigging spoon, Tungsten jig + plastic |
Spring puts rainbow trout in skinny water — 4 to 16 ft is the zone. Summer fish stay in 4 to 16 ft, and winter fish hold in 3 to 16 ft. Winter rainbow trout concentrate at Break off the point, a prime-rated drop-off around 13 ft. Warm-month bites cluster around early morning and the evening. A dodger + spoon (deep troll) or a flutter spoon covers the summer program.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 4 to 16 ft | dawn & dusk | Main-lake point (3 ft) | Inline spinner (silver), Small spoon |
| Été | 4 to 16 ft | dawn & dusk | Break off the point (13 ft) | Dodger + spoon (deep troll), Flutter spoon |
| Automne | 5 to 16 ft | dawn & dusk | Break off the point (13 ft) | Casting spoon, Jerkbait over shoals |
| Hiver | 3 to 16 ft | dawn | Break off the point (13 ft) | Jigging spoon, Tube jig (white) |
Come spring, look for brown trout tight to the bank in 2 to 16 ft. Through summer count on 5 to 16 ft; the winter hold is 2 to 16 ft. Start at Break off the point. It's a drop-off holding about 13 ft of water and rates prime come summer. Prime time lands in after dark and early morning. A spoon at the thermocline or a deep stickbait (night) is the honest summer answer here.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 2 to 16 ft | dawn & dusk | Main-lake point (3 ft) | Stickbait off planer boards (shallow), Small spoon along mud lines |
| Été | 5 to 16 ft | night & dawn | Break off the point (13 ft) | Spoon at the thermocline, Deep stickbait (night) |
| Automne | 3 to 16 ft | dusk & dawn | Main-lake point (3 ft) | Jerkbait over gravel, Casting spoon |
| Hiver | 2 to 16 ft | dawn | Break off the point (13 ft) | Jigging spoon, Small stickbait (slow) |
Spring puts landlocked salmon in skinny water — 1 to 15 ft is the zone. As the season builds they drop to 5 to 16 ft, wintering in 4 to 16 ft. Summer landlocked salmon concentrate at Deep basin, a prime-rated deep basin around 16 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 (3 ft) | Streamer flies (Grey Ghost) off boards, Thin spoon (Mooselook style) |
| Été | 5 to 16 ft | dawn & dusk | Deep basin (16 ft) | Dodger + streamer down deep, Thin spoon on lead core |
| Automne | 3 to 16 ft | dawn & dusk | Main-lake point (3 ft) | Casting spoon at the mouths, Streamers |
| Hiver | 4 to 16 ft | dawn | Deep basin (16 ft) | Small jigging spoon, Swedish pimple + smelt |
Come spring, look for walleye tight to the bank in 4 to 15 ft. Expect a summer slide to 5 to 16 ft, then a winter hold in 5 to 16 ft. Start at Break off the point. It's a drop-off holding about 13 ft of water and rates prime come fall. Prime time lands in the evening and early morning. A crawler harness on bottom bouncer or a deep crankbait (trolled) is the honest summer answer here.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 4 to 15 ft | dusk & dawn | Main-lake point (3 ft) | 1/8 oz jig + minnow, Hair jig |
| Été | 5 to 16 ft | dusk & dawn | Break off the point (13 ft) | Crawler harness on bottom bouncer, Deep crankbait (trolled) |
| Automne | 5 to 16 ft | dusk & night | Break off the point (13 ft) | Jigging rap, Jig + big minnow |
| Hiver | 5 to 16 ft | dusk & dawn | Deep basin (16 ft) | Jigging spoon + minnow head, Rattle bait |
Come spring, look for yellow perch tight to the bank in 3 to 12 ft. They move out to 5 to 16 ft in summer and finish the year down in 5 to 16 ft. If you only fish one area, make it Shallow bay flat: a weed flat around 3 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 (3 ft) | Small jig + curly tail, Perch-pattern micro crank |
| Été | 5 to 16 ft | dawn | Deep basin (16 ft) | Drop-shot micro plastics, Small spoon tipped with worm |
| Automne | 5 to 16 ft | midday | Deep basin (16 ft) | Jigging spoon (small), Perch rig / spreader |
| Hiver | 5 to 16 ft | midday & dawn | Deep basin (16 ft) | Tungsten jig + spikes, Rattle spoon (small) |
Lac Bolduc also holds northern pike (5 to 16 ft in summer), muskellunge (5 to 16 ft in summer), smallmouth bass (5 to 16 ft in summer), rock bass (4 to 16 ft in summer), pumpkinseed (2 to 10 ft in summer), brown bullhead (3 to 12 ft in summer). Pick any of them on the map above for rated spots and bait picks.
6 pieces of structure are mapped here — Deep basin, around 16 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 Bolduc specifically, so confirm the current rules before you fish.
Check the official Québec fishing regulations →
Lac Bolduc is about 16 ft (5 m) deep at its deepest point. The depth chart here comes from real state fisheries GPS surveys, so the contours reflect measured depths.
Lac Bolduc atteint environ 5 m (16 pi) à son point le plus profond. Les profondeurs proviennent de relevés bathymétriques réels.
Anglers target brook trout, rainbow trout, brown trout, landlocked salmon, walleye, yellow perch, northern pike, muskellunge, smallmouth bass, rock bass, pumpkinseed, brown bullhead on Lac Bolduc. 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 16 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 Bolduc 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 à la Truite 4 mi · Lac du Huit 6 mi · Lac Bécancour 7 mi · Petit lac Saint-François 8 mi · Petit lac Lambton 8 mi · Grand lac Saint-François 9 mi · Lac des Ours 12 mi · Lac Noir 14 mi · Lac aux Cygnes 14 mi · Lac Fortin 14 mi · Lac de l'Est 15 mi · Lac Poulin 15 mi
See how Lac Bolduc stacks up: best smallmouth bass lakes in Québec · best walleye lakes in Québec · best northern pike lakes in Québec · best rainbow trout lakes in Québec
More water nearby: Les Appalaches MRC fishing maps (12 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.