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270-acre lake near Québec. The lake tops out around 77 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. What the data behind the map says about each species, season by season:
The drawn water covers 270 acres wrapped in 2.9 miles of bank. At index 1.3 the outline is almost a bowl — read the depth changes, not the shoreline. About 33% of the surface sits shallower than 15 ft — that's the weed-and-bait zone. Tip to tip the water measures near 1.3 mi with a 0.6-mi widest point. It sits in Les Collines-de-l'Outaouais MRC. Its nearest charted neighbour, Lac Bernard, is 7 mi to the north.
Carte de pêche interactive gratuite — Lac Gauvreau, Québec : courbes de profondeur issues de relevés bathymétriques réels jusqu'à 23 m (77 pi), et les meilleurs sites pour touladi, truite arc-en-ciel, truite brune et plus. Les profondeurs proviennent de la Géobase des bathymétries de lac du Québec (MELCCFP) lorsque disponibles.
Early season lake trout use the shallows, holding in 10 to 40 ft. Expect a summer slide to 23 to 77 ft, then a winter hold in 19 to 77 ft. Put Deep basin first on the milk run — a deep basin near 74 ft that grades prime for summer. In summer the feeding windows fall in early morning. Tie on a white tube jig (deep) or a magnum spoon on downrigger and you're in the game.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 10 to 40 ft | dawn & dusk | Main-lake point (9 ft) | Casting spoon over shoals, Jerkbait (shallow) |
| Été | 23 to 77 ft | dawn | Deep basin (74 ft) | White tube jig (deep), Magnum spoon on downrigger |
| Automne | 10 to 50 ft | dusk & dawn | Main-lake point (9 ft) | Heavy casting spoon, Jigging rap over reefs |
| Hiver | 19 to 77 ft | dawn | Deep basin (74 ft) | White tube jig, Airplane jig |
Come spring, look for rainbow trout tight to the bank in 5 to 20 ft. Expect a summer slide to 8 to 30 ft, then a winter hold in 8 to 40 ft. Start at Break off the point. It's a drop-off holding about 28 ft of water and rates prime come winter. Prime time lands in early morning and the evening. A dodger + spoon (deep troll) or a flutter spoon is the honest summer answer here.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 5 to 20 ft | dawn & dusk | Main-lake point (9 ft) | Inline spinner (silver), Small spoon |
| Été | 8 to 30 ft | dawn & dusk | Break off the point (28 ft) | Dodger + spoon (deep troll), Flutter spoon |
| Automne | 10 to 35 ft | dawn & dusk | Main-lake point (9 ft) | Casting spoon, Jerkbait over shoals |
| Hiver | 8 to 40 ft | dawn | Break off the point (28 ft) | Jigging spoon, Tube jig (white) |
Start shallow in spring: brown trout sit in 3 to 25 ft that time of year. Warm water sends them out to 25 to 60 ft; cold water stacks them in 5 to 35 ft. Top water on the chart: Break off the point, a drop-off in the 28 ft range, prime in summer. Fish it in after dark and early morning and you'll meet the bite. Throw a spoon at the thermocline or a deep stickbait (night) until the fish tell you otherwise.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 3 to 25 ft | dawn & dusk | Main-lake point (9 ft) | Stickbait off planer boards (shallow), Small spoon along mud lines |
| Été | 25 to 60 ft | night & dawn | Break off the point (28 ft) | Spoon at the thermocline, Deep stickbait (night) |
| Automne | 5 to 30 ft | dusk & dawn | Main-lake point (9 ft) | Jerkbait over gravel, Casting spoon |
| Hiver | 5 to 35 ft | dawn | Break off the point (28 ft) | Jigging spoon, Small stickbait (slow) |
Spring puts lake whitefish in skinny water — 15 to 45 ft is the zone. As the season builds they drop to 23 to 77 ft, wintering in 25 to 70 ft. Summer lake whitefish concentrate at Deep basin, a prime-rated deep basin around 74 ft. Warm-month bites cluster around early morning. A blade bait vertical or a small jigging spoon covers the summer program.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 15 to 45 ft | midday & dawn | Break off the point (28 ft) | Small jig + waxworm, Blade bait (small) |
| Été | 23 to 77 ft | dawn | Deep basin (74 ft) | Blade bait vertical, Small jigging spoon |
| Automne | 8 to 30 ft | dusk | Break off the point (28 ft) | Small spoon (gold), Jig + plastic larva |
| Hiver | 25 to 70 ft | midday & dawn | Deep basin (74 ft) | Jigging spoon + bead chain, Tungsten jig + waxie |
Start shallow in spring: walleye sit in 4 to 15 ft that time of year. Warm water sends them out to 15 to 35 ft; cold water stacks them in 20 to 40 ft. Top water on the chart: Break off the point, a drop-off in the 28 ft range, prime in fall. Fish it in the evening and early morning and you'll meet the bite. Throw a crawler harness on bottom bouncer or a deep crankbait (trolled) until the fish tell you otherwise.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 4 to 15 ft | dusk & dawn | Main-lake point (9 ft) | 1/8 oz jig + minnow, Hair jig |
| Été | 15 to 35 ft | dusk & dawn | Break off the point (28 ft) | Crawler harness on bottom bouncer, Deep crankbait (trolled) |
| Automne | 12 to 40 ft | dusk & night | Break off the point (28 ft) | Jigging rap, Jig + big minnow |
| Hiver | 20 to 40 ft | dusk & dawn | Break off the point (28 ft) | Jigging spoon + minnow head, Rattle bait |
Start shallow in spring: sauger sit in 4 to 18 ft that time of year. Summer pushes them deeper, 10 to 30 ft, and winter fish settle into 15 to 45 ft. The spot to know is Break off the point, a drop-off in about 28 ft of water that rates prime for sauger in fall. Warm-month bites cluster around early morning and the evening. Throw a bottom bouncer + crawler or a 3-way rig with stickbait until the fish tell you otherwise.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 4 to 18 ft | dawn & dusk | Main-lake point (9 ft) | 3/8 oz jig + ringworm, Hair jig + minnow |
| Été | 10 to 30 ft | dawn & dusk | Break off the point (28 ft) | Bottom bouncer + crawler, 3-way rig with stickbait |
| Automne | 12 to 35 ft | dusk & dawn | Break off the point (28 ft) | Jig + big minnow, Blade bait |
| Hiver | 15 to 45 ft | dusk | Break off the point (28 ft) | Heavy jigging spoon, Jig + minnow (vertical) |
Lac Gauvreau also holds yellow perch (10 to 30 ft in summer), northern pike (8 to 20 ft in summer), muskellunge (8 to 25 ft in summer), smallmouth bass (10 to 30 ft in summer), largemouth bass (8 to 20 ft in summer), rock bass (5 to 20 ft in summer), crappie (10 to 25 ft in summer), bluegill (4 to 15 ft in summer), pumpkinseed (2 to 10 ft in summer), brown bullhead (3 to 12 ft in summer), channel catfish (8 to 25 ft in summer), burbot (23 to 77 ft in summer), freshwater drum (8 to 30 ft in summer), common carp (3 to 15 ft in summer), longnose gar (1 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 74 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 Gauvreau specifically, so confirm the current rules before you fish.
Check the official Québec fishing regulations →
Lac Gauvreau is about 77 ft (23 m) deep at its deepest point. The depth chart here comes from real state fisheries GPS surveys, so the contours reflect measured depths.
Lac Gauvreau atteint environ 23 m (77 pi) à son point le plus profond. Les profondeurs proviennent de relevés bathymétriques réels.
Anglers target lake trout, rainbow trout, brown trout, lake whitefish, walleye, sauger, yellow perch, northern pike, muskellunge, smallmouth bass, largemouth bass, rock bass, crappie, bluegill, pumpkinseed, brown bullhead, channel catfish, burbot, freshwater drum, common carp, longnose gar on Lac Gauvreau. 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 74 ft of water that rates prime for lake trout in summer. Scroll up to the map for the complete spot list by species and season.
For lake trout, the summer bite is best in early morning. 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 Gauvreau 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 Bernard 7 mi · Lac des Loups 10 mi · Lac Sinclair 12 mi · Lac à la Truite 16 mi · Lac du Cardinal 16 mi · Constance Lake 17 mi, ON · Ottawa River - Ottawa/Gatineau 22 mi, ON/QC · Rideau Canal (Ottawa) 23 mi, ON · Lac de la Ferme 24 mi · Lac de l'Argile 25 mi · Lac McCuaig 25 mi · Lac Hughes 26 mi
See how Lac Gauvreau stacks up: best largemouth bass lakes in Québec · best smallmouth bass lakes in Québec · best walleye lakes in Québec · best sauger lakes in Québec
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.