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505-acre lake near Québec. The lake tops out around 80 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 505 acres of water rimmed by 4.4 miles of bank. At index 1.4 the outline is almost a bowl — read the depth changes, not the shoreline. About 35% of the surface sits shallower than 15 ft — that's the weed-and-bait zone. Call it 1.7 mi long by 0.9 mi wide at the broadest reach. You'll find it in La Vallée-de-la-Gatineau MRC. The nearest mapped water is Lac Roland, 2 mi to the west.
Carte de pêche interactive gratuite — Lac du Bois Franc, Québec : courbes de profondeur issues de relevés bathymétriques réels jusqu'à 24 m (80 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.
Start shallow in spring: brook trout sit in 2 to 15 ft that time of year. Summer pushes them deeper, 10 to 30 ft, and winter fish settle into 3 to 20 ft. The spot to know is Break off the point, a drop-off in about 26 ft of water that rates prime for brook trout in summer. Warm-month bites cluster around early morning and the evening. Throw a small spoon fished deep or a trolled lake-clear wobbler + worm until the fish tell you otherwise.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 2 to 15 ft | dawn & dusk | Main-lake point (10 ft) | Small inline spinner (gold), Tiny spoon |
| Été | 10 to 30 ft | dawn & dusk | Break off the point (26 ft) | Small spoon fished deep, Trolled lake-clear wobbler + worm |
| Automne | 2 to 15 ft | midday & dawn | Main-lake point (10 ft) | Small spoon (orange), Spinner |
| Hiver | 3 to 20 ft | dawn | Shallow bay flat (10 ft) | Small jigging spoon, Tungsten jig + plastic |
Start shallow in spring: lake trout sit in 10 to 40 ft that time of year. Warm water sends them out to 24 to 80 ft; cold water stacks them in 20 to 80 ft. Top water on the chart: Deep basin, a deep basin in the 80 ft range, prime in summer. Fish it in early morning and you'll meet the bite. Throw a white tube jig (deep) or a magnum spoon on downrigger until the fish tell you otherwise.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 10 to 40 ft | dawn & dusk | Main-lake point (10 ft) | Casting spoon over shoals, Jerkbait (shallow) |
| Été | 24 to 80 ft | dawn | Deep basin (80 ft) | White tube jig (deep), Magnum spoon on downrigger |
| Automne | 10 to 50 ft | dusk & dawn | Main-lake point (10 ft) | Heavy casting spoon, Jigging rap over reefs |
| Hiver | 20 to 80 ft | dawn | Deep basin (80 ft) | White tube jig, Airplane jig |
When the water first warms, lake whitefish slide up into 15 to 45 ft. Summer is a 24 to 80 ft game here, winter a 25 to 70 ft one. Start at Deep basin. It's a deep basin holding about 80 ft of water and rates prime come summer. The feeding windows run early morning. Keep a blade bait vertical or a small jigging spoon rigged through the warm months.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 15 to 45 ft | midday & dawn | Break off the point (26 ft) | Small jig + waxworm, Blade bait (small) |
| Été | 24 to 80 ft | dawn | Deep basin (80 ft) | Blade bait vertical, Small jigging spoon |
| Automne | 8 to 30 ft | dusk | Break off the point (26 ft) | Small spoon (gold), Jig + plastic larva |
| Hiver | 25 to 70 ft | midday & dawn | Break off the point (26 ft) | Jigging spoon + bead chain, Tungsten jig + waxie |
When the water first warms, cisco (lake herring) slide up into 10 to 40 ft. Summer is a 40 to 80 ft game here, winter a 20 to 60 ft one. Start at Deep basin. It's a deep basin holding about 80 ft of water and rates prime come summer. The feeding windows run early morning. Keep a vertical flutter spoon (small) or a drop-shot micro plastic rigged through the warm months.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 10 to 40 ft | dawn & dusk | Break off the point (26 ft) | Small silver spoon, Tiny swim jig (white) |
| Été | 40 to 80 ft | dawn | Deep basin (80 ft) | Vertical flutter spoon (small), Drop-shot micro plastic |
| Automne | 5 to 25 ft | dusk & dawn | Break off the point (26 ft) | Small casting spoon, Inline spinner (silver) |
| Hiver | 20 to 60 ft | dawn | Break off the point (26 ft) | Small jigging spoon (glow/silver), Tungsten jig + minnow head |
Early season walleye use the shallows, holding in 4 to 15 ft. Expect a summer slide to 15 to 35 ft, then a winter hold in 20 to 40 ft. Put Break off the point first on the milk run — a drop-off near 26 ft that grades prime for fall. In summer the feeding windows fall in the evening and early morning. Tie on a crawler harness on bottom bouncer or a deep crankbait (trolled) and you're in the game.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 4 to 15 ft | dusk & dawn | Main-lake point (10 ft) | 1/8 oz jig + minnow, Hair jig |
| Été | 15 to 35 ft | dusk & dawn | Break off the point (26 ft) | Crawler harness on bottom bouncer, Deep crankbait (trolled) |
| Automne | 12 to 40 ft | dusk & night | Break off the point (26 ft) | Jigging rap, Jig + big minnow |
| Hiver | 20 to 40 ft | dusk & dawn | Break off the point (26 ft) | Jigging spoon + minnow head, Rattle bait |
When the water first warms, sauger slide up into 4 to 18 ft. By summer they slide out to 10 to 30 ft, and by winter most fish are in 15 to 45 ft. If you only fish one area, make it Break off the point: a drop-off around 26 ft that scores prime in fall. In summer the feeding windows fall in early morning and the evening. Keep a bottom bouncer + crawler or a 3-way rig with stickbait rigged through the warm months.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 4 to 18 ft | dawn & dusk | Main-lake point (10 ft) | 3/8 oz jig + ringworm, Hair jig + minnow |
| Été | 10 to 30 ft | dawn & dusk | Break off the point (26 ft) | Bottom bouncer + crawler, 3-way rig with stickbait |
| Automne | 12 to 35 ft | dusk & dawn | Break off the point (26 ft) | Jig + big minnow, Blade bait |
| Hiver | 15 to 45 ft | dusk | Break off the point (26 ft) | Heavy jigging spoon, Jig + minnow (vertical) |
Lac du Bois Franc also holds yellow perch (10 to 30 ft in summer), northern pike (8 to 20 ft in summer), rock bass (5 to 20 ft in summer), burbot (24 to 80 ft in summer). Pick any of them on the map above for rated spots and bait picks.
The chart marks 8 structure features on Lac du Bois Franc; the deepest is Deep basin at about 80 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 du Bois Franc specifically, so confirm the current rules before you fish.
Check the official Québec fishing regulations →
Lac du Bois Franc is about 80 ft (24 m) deep at its deepest point. The depth chart here comes from real state fisheries GPS surveys, so the contours reflect measured depths.
Lac du Bois Franc atteint environ 24 m (80 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), walleye, sauger, yellow perch, northern pike, rock bass, burbot on Lac du Bois Franc. 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 80 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 du Bois Franc 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 Roland 2 mi · Lac Bélair 3 mi · Lac Hatch 3 mi · Lac Bow 3 mi · Lac Jouineau 3 mi · Lac Titch 4 mi · Lac Pagetière 4 mi · Lac Trilby 5 mi · Lac Lucie 5 mi · Lac Ovila 5 mi · Lac Venne 5 mi · Lac Embarras 6 mi
See how Lac du Bois Franc stacks up: best walleye lakes in Québec · best sauger lakes in Québec · best northern pike lakes in Québec · best yellow perch lakes in Québec
More water nearby: La Vallée-de-la-Gatineau MRC fishing maps (74 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.