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Fishing Lac Isidore: what the data says
83-acre lake near Québec. The lake tops out around 8 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 follows comes from the same scoring engine that paints the spots above.
Carte de pêche interactive gratuite — Lac Isidore, Québec : courbes de profondeur issues de relevés bathymétriques réels jusqu'à 2 m (8 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.
Walleye fishing at Lac Isidore
Spring walleye on Lac Isidore hold shallow, usually 2 to 8 ft. Summer fish stay in 2 to 8 ft, and winter fish hold in 2 to 8 ft. The spot to know is Break off the point, a drop-off in about 4 ft of water that rates prime for walleye in fall. In summer the feeding windows fall in the evening and early morning. Summer baits: a crawler harness on bottom bouncer or a deep crankbait (trolled) gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 8 ft | dusk & dawn | 1/8 oz jig + minnow, Hair jig |
| Summer | 2 to 8 ft | dusk & dawn | Crawler harness on bottom bouncer, Deep crankbait (trolled) |
| Fall | 2 to 8 ft | dusk & night | Jigging rap, Jig + big minnow |
| Winter | 2 to 8 ft | dusk & dawn | Jigging spoon + minnow head, Rattle bait |
Northern Pike fishing at Lac Isidore
In spring, northern pike run shallow here, mostly 2 to 8 ft. Summer fish stay in 2 to 8 ft, and winter fish hold in 2 to 8 ft. Shallow bay flat is the standout, a weed flat at roughly 2 ft, rated prime for spring northern pike. Best bite is early morning and the evening. Tie on a bucktail or a weedless spoon over cabbage and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | #5 inline spinner, Spoon (red/white) |
| Summer | 2 to 8 ft | dawn & dusk | Bucktail, Weedless spoon over cabbage |
| Fall | 2 to 8 ft | midday & dawn | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Winter | 2 to 8 ft | midday | Tip-ups, Large jigging spoon |
Yellow Perch fishing at Lac Isidore
Start shallow in spring: yellow perch sit in 2 to 8 ft that time of year. Summer fish stay in 2 to 8 ft, and winter fish hold in 2 to 8 ft. Shallow bay flat is the standout, a weed flat at roughly 2 ft, rated prime for spring yellow perch. Plan around early morning in the warm months. A drop-shot micro plastics or a small spoon tipped with worm covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | Small jig + curly tail, Perch-pattern micro crank |
| Summer | 2 to 8 ft | dawn | Drop-shot micro plastics, Small spoon tipped with worm |
| Fall | 2 to 8 ft | midday | Jigging spoon (small), Perch rig / spreader |
| Winter | 2 to 8 ft | midday & dawn | Tungsten jig + spikes, Rattle spoon (small) |
Notable structure
- Deep basin: deep basin, around 7 ft
- Break off the point: drop-off, around 4 ft
- Main-lake point: point, around 2 ft
- Shallow bay flat: weed flat, around 2 ft
- Back-bay flat: weed flat, around 2 ft
Common questions
How deep is Lac Isidore?
Lac Isidore is about 8 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 Isidore?
Anglers target walleye, northern pike, yellow perch on Lac Isidore.
Where is the best fishing spot on Lac Isidore?
Break off the point is the top-rated area: a drop-off in about 4 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 Isidore?
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.
Nearby waters
Lac d'Apic · Lac Fontaine Claire · Lac des Plaines · Lac Bringé · Lac Trois Saumons · Lac Jally
See how Lac Isidore 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.