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Fishing Lac Gacien: what the data says
190-acre lake near Québec. The lake tops out around 21 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 Gacien, Québec : courbes de profondeur issues de relevés bathymétriques réels jusqu'à 6 m (21 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 Gacien
Spring walleye on Lac Gacien hold shallow, usually 4 to 15 ft. They move out to 6 to 21 ft in summer and finish the year down in 6 to 21 ft. The spot to know is Deep basin, a deep basin in about 21 ft of water that rates prime for walleye in winter. Plan around the evening and early morning in the warm months. Summer baits: a crawler harness on bottom bouncer or a deep crankbait (trolled) gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 4 to 15 ft | dusk & dawn | 1/8 oz jig + minnow, Hair jig |
| Summer | 6 to 21 ft | dusk & dawn | Crawler harness on bottom bouncer, Deep crankbait (trolled) |
| Fall | 6 to 21 ft | dusk & night | Jigging rap, Jig + big minnow |
| Winter | 6 to 21 ft | dusk & dawn | Jigging spoon + minnow head, Rattle bait |
Northern Pike fishing at Lac Gacien
In spring, northern pike run shallow here, mostly 2 to 8 ft. They move out to 8 to 20 ft in summer and finish the year down in 5 to 15 ft. The spot to know is Shallow bay flat, a weed flat in about 2 ft of water that rates prime for northern pike in spring. In summer the feeding windows fall in 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 | 8 to 20 ft | dawn & dusk | Bucktail, Weedless spoon over cabbage |
| Fall | 6 to 18 ft | midday & dawn | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Winter | 5 to 15 ft | midday | Tip-ups, Large jigging spoon |
Yellow Perch fishing at Lac Gacien
Start shallow in spring: yellow perch sit in 3 to 12 ft that time of year. Summer pushes them deeper, 6 to 21 ft, and winter fish settle into 6 to 21 ft. The spot to know is Back-bay flat, a weed flat in about 3 ft of water that rates prime for yellow perch in spring. 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 12 ft | midday & dawn | Small jig + curly tail, Perch-pattern micro crank |
| Summer | 6 to 21 ft | dawn | Drop-shot micro plastics, Small spoon tipped with worm |
| Fall | 6 to 21 ft | midday | Jigging spoon (small), Perch rig / spreader |
| Winter | 6 to 21 ft | midday & dawn | Tungsten jig + spikes, Rattle spoon (small) |
Notable structure
- Deep basin: deep basin, around 21 ft
- Back-bay flat: weed flat, around 3 ft
- Shallow bay flat: weed flat, around 2 ft
Common questions
How deep is Lac Gacien?
Lac Gacien is about 21 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 Gacien?
Anglers target walleye, northern pike, yellow perch on Lac Gacien.
Where is the best fishing spot on Lac Gacien?
Deep basin is the top-rated area: a deep basin in about 21 ft of water that rates prime for walleye in winter. Open the map above to see every rated spot for each species and season.
When is the best time to fish Lac Gacien?
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 Robert · Lac Alfred · Lac Duca · Lac de la Loutre · Lac du Canard · Lac Croche
See how Lac Gacien 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.