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141-acre lake near Québec. The lake tops out around 10 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. Species by species, here's what the data says the year looks like.
On the chart, Lac des Trois Milles draws 141 acres inside 2.7 miles of shoreline. The shoreline is moderately structured (index 1.6) — enough points and pockets to pattern. There is no deep basin to speak of — the entire surface is under ~15 ft, prime weed water end to end. Figure 1.2 mi of water from one end to the other, 0.4 mi at the beam. You'll find it in Le Granit MRC. Closest neighbour on DepthScout: Lac Drolet, 4 mi northeast of here.
Carte de pêche interactive gratuite — Lac des Trois Milles, Québec : courbes de profondeur issues de relevés bathymétriques réels jusqu'à 3 m (10 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.
Spring puts brook trout in skinny water — 1 to 10 ft is the zone. Summer fish stay in 3 to 10 ft, and winter fish hold in 2 to 10 ft. Summer brook trout concentrate at Deep basin, a prime-rated deep basin around 10 ft. Warm-month bites cluster around early morning and the evening. A small spoon fished deep or a trolled lake-clear wobbler + worm covers the summer program.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 1 to 10 ft | dawn & dusk | Main-lake point (3 ft) | Small inline spinner (gold), Tiny spoon |
| Été | 3 to 10 ft | dawn & dusk | Deep basin (10 ft) | Small spoon fished deep, Trolled lake-clear wobbler + worm |
| Automne | 1 to 10 ft | midday & dawn | Main-lake point (3 ft) | Small spoon (orange), Spinner |
| Hiver | 2 to 10 ft | dawn | Deep basin (10 ft) | Small jigging spoon, Tungsten jig + plastic |
In spring, rainbow trout run shallow here, mostly 3 to 10 ft. Summer keeps them at 3 to 10 ft, and they winter in 2 to 10 ft. Break off the point is the standout, a drop-off at roughly 8 ft, rated prime for winter rainbow trout. Time it for early morning and the evening. You won't need more than a dodger + spoon (deep troll) or a flutter spoon most summer days.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 3 to 10 ft | dawn & dusk | Main-lake point (3 ft) | Inline spinner (silver), Small spoon |
| Été | 3 to 10 ft | dawn & dusk | Break off the point (8 ft) | Dodger + spoon (deep troll), Flutter spoon |
| Automne | 3 to 10 ft | dawn & dusk | Main-lake point (3 ft) | Casting spoon, Jerkbait over shoals |
| Hiver | 2 to 10 ft | dawn | Break off the point (8 ft) | Jigging spoon, Tube jig (white) |
When the water first warms, brown trout slide up into 1 to 10 ft. There's no big seasonal slide here — summer means 3 to 10 ft, winter 1 to 10 ft. If you only fish one area, make it Break off the point: a drop-off around 8 ft that scores prime in summer. In summer the feeding windows fall in after dark and early morning. Keep a spoon at the thermocline or a deep stickbait (night) rigged through the warm months.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 1 to 10 ft | dawn & dusk | Main-lake point (3 ft) | Stickbait off planer boards (shallow), Small spoon along mud lines |
| Été | 3 to 10 ft | night & dawn | Break off the point (8 ft) | Spoon at the thermocline, Deep stickbait (night) |
| Automne | 2 to 10 ft | dusk & dawn | Main-lake point (3 ft) | Jerkbait over gravel, Casting spoon |
| Hiver | 1 to 10 ft | dawn | Break off the point (8 ft) | Jigging spoon, Small stickbait (slow) |
In spring, landlocked salmon run shallow here, mostly 1 to 10 ft. Summer keeps them at 3 to 10 ft, and they winter in 3 to 10 ft. Deep basin is the standout, a deep basin at roughly 10 ft, rated prime for summer landlocked salmon. Time it for early morning and the evening. You won't need more than a dodger + streamer down deep or a thin spoon on lead core most summer days.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 1 to 10 ft | dawn & dusk | Main-lake point (3 ft) | Streamer flies (Grey Ghost) off boards, Thin spoon (Mooselook style) |
| Été | 3 to 10 ft | dawn & dusk | Deep basin (10 ft) | Dodger + streamer down deep, Thin spoon on lead core |
| Automne | 2 to 10 ft | dawn & dusk | Main-lake point (3 ft) | Casting spoon at the mouths, Streamers |
| Hiver | 3 to 10 ft | dawn | Deep basin (10 ft) | Small jigging spoon, Swedish pimple + smelt |
When the water first warms, walleye slide up into 3 to 10 ft. There's no big seasonal slide here — summer means 3 to 10 ft, winter 3 to 10 ft. If you only fish one area, make it Break off the point: a drop-off around 8 ft that scores prime in fall. In summer the feeding windows fall in the evening and early morning. Keep a crawler harness on bottom bouncer or a deep crankbait (trolled) rigged through the warm months.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 3 to 10 ft | dusk & dawn | Main-lake point (3 ft) | 1/8 oz jig + minnow, Hair jig |
| Été | 3 to 10 ft | dusk & dawn | Break off the point (8 ft) | Crawler harness on bottom bouncer, Deep crankbait (trolled) |
| Automne | 3 to 10 ft | dusk & night | Break off the point (8 ft) | Jigging rap, Jig + big minnow |
| Hiver | 3 to 10 ft | dusk & dawn | Deep basin (10 ft) | Jigging spoon + minnow head, Rattle bait |
When the water first warms, yellow perch slide up into 3 to 10 ft. There's no big seasonal slide here — summer means 3 to 10 ft, winter 3 to 10 ft. Start at Shallow bay flat. It's a weed flat holding about 4 ft of water and rates prime come spring. The feeding windows run early morning. Keep a drop-shot micro plastics or a small spoon tipped with worm rigged through the warm months.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 3 to 10 ft | midday & dawn | Shallow bay flat (4 ft) | Small jig + curly tail, Perch-pattern micro crank |
| Été | 3 to 10 ft | dawn | Deep basin (10 ft) | Drop-shot micro plastics, Small spoon tipped with worm |
| Automne | 3 to 10 ft | midday | Deep basin (10 ft) | Jigging spoon (small), Perch rig / spreader |
| Hiver | 3 to 10 ft | midday & dawn | Deep basin (10 ft) | Tungsten jig + spikes, Rattle spoon (small) |
Lac des Trois Milles also holds northern pike (3 to 10 ft in summer), smallmouth bass (3 to 10 ft in summer), pumpkinseed (2 to 10 ft in summer), brown bullhead (3 to 10 ft in summer), chain pickerel (2 to 10 ft in summer). Pick any of them on the map above for rated spots and bait picks.
Structure-wise the chart holds 6 features, led in depth by Deep basin at roughly 10 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 des Trois Milles specifically, so confirm the current rules before you fish.
Check the official Québec fishing regulations →
Lac des Trois Milles is about 10 ft (3 m) deep at its deepest point. The depth chart here comes from real state fisheries GPS surveys, so the contours reflect measured depths.
Lac des Trois Milles atteint environ 3 m (10 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, smallmouth bass, pumpkinseed, brown bullhead, chain pickerel on Lac des Trois Milles. 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 10 ft of water that rates prime for landlocked salmon in summer. Open the map above to see every rated 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 des Trois Milles 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 Drolet 4 mi · Lac Mégantic 12 mi · Lac des Îles 15 mi · Lac Thor 16 mi · Petit lac Lambton 17 mi · Lac des Ours 17 mi · Beattie Pond 19 mi, ME · Grand lac Saint-François 19 mi · Lac Elgin 20 mi · Lac Moffatt 21 mi · Lac Aylmer 24 mi · Barrett Pond 24 mi, ME
See how Lac des Trois Milles 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: Le Granit MRC fishing maps (7 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.