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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. Here is how the season plays out for each species, straight from the data behind the map.
Carte de pêche interactive gratuite — Lac des Trois Milles, Québec : courbes de profondeur issues de relevés bathymétriques réels jusqu'à 3 m (10 pi), les meilleurs sites pour doré jaune, grand brochet et perchaude, fenêtres d'activité saisonnières et choix d'appâts. Aucune inscription requise. Les profondeurs proviennent de la Géobase des bathymétries de lac du Québec (MELCCFP) lorsque disponibles.
In spring, walleye run shallow here, mostly 3 to 10 ft. Summer fish stay in 3 to 10 ft, and winter fish hold in 3 to 10 ft. Break off the point is the standout, a drop-off at roughly 8 ft, rated prime for fall walleye. Best bite is the evening and early morning. A crawler harness on bottom bouncer or a deep crankbait (trolled) covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 10 ft | dusk & dawn | 1/8 oz jig + minnow, Hair jig |
| Summer | 3 to 10 ft | dusk & dawn | Crawler harness on bottom bouncer, Deep crankbait (trolled) |
| Fall | 3 to 10 ft | dusk & night | Jigging rap, Jig + big minnow |
| Winter | 3 to 10 ft | dusk & dawn | Jigging spoon + minnow head, Rattle bait |
Start shallow in spring: northern pike sit in 2 to 8 ft that time of year. By summer they slide out to 3 to 10 ft, and by winter most fish are in 3 to 10 ft. If you only fish one area, make it Shallow bay flat: a weed flat around 4 ft that scores prime in spring. In summer the feeding windows fall in early morning and the evening. A bucktail or a weedless spoon over cabbage covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | #5 inline spinner, Spoon (red/white) |
| Summer | 3 to 10 ft | dawn & dusk | Bucktail, Weedless spoon over cabbage |
| Fall | 3 to 10 ft | midday & dawn | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Winter | 3 to 10 ft | midday | Tip-ups, Large jigging spoon |
In spring, yellow perch run shallow here, mostly 3 to 10 ft. Summer fish stay in 3 to 10 ft, and winter fish hold in 3 to 10 ft. Shallow bay flat is the standout, a weed flat at roughly 4 ft, rated prime for spring yellow perch. In summer the feeding windows fall in early morning. Tie on a drop-shot micro plastics or a small spoon tipped with worm and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 10 ft | midday & dawn | Small jig + curly tail, Perch-pattern micro crank |
| Summer | 3 to 10 ft | dawn | Drop-shot micro plastics, Small spoon tipped with worm |
| Fall | 3 to 10 ft | midday | Jigging spoon (small), Perch rig / spreader |
| Winter | 3 to 10 ft | midday & dawn | Tungsten jig + spikes, Rattle spoon (small) |
How deep is Lac des Trois Milles?
Lac des Trois Milles is about 10 ft at its deepest point. The depth chart here comes from real state fisheries GPS surveys, so the contours reflect measured depths.
What fish are in Lac des Trois Milles?
Anglers target walleye, northern pike, yellow perch on Lac des Trois Milles.
Where is the best fishing spot on Lac des Trois Milles?
Break off the point is the top-rated area: a drop-off in about 8 ft of water that rates prime for walleye in fall. Open the map above to see every rated spot for each species and season.
When is the best time to fish Lac des Trois Milles?
For walleye, the summer bite is best in the evening and early morning. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.
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See how Lac des Trois Milles stacks up: best walleye lakes in Québec · best northern pike lakes in Québec · best yellow perch lakes in Québec
Browse all Québec fishing maps or every water on DepthScout. Bathymetry credit: state fisheries survey programs. How we build these maps. For fishing guidance only, never navigation.