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Fishing Lac Archambault: what the data says
3,459-acre lake near Saint-Donat. The lake tops out around 129 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 Archambault, Québec : courbes de profondeur issues de relevés bathymétriques réels jusqu'à 39 m (129 pi), les meilleurs sites pour touladi, grand brochet et achigan à petite bouche, 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.
Lake Trout fishing at Lac Archambault
In spring, lake trout run shallow here, mostly 10 to 40 ft. By summer they slide out to 50 to 120 ft, and by winter most fish are in 20 to 80 ft. The spot to know is Deepest basin, a deep basin in about 126 ft of water that rates prime for lake trout in summer. In summer the feeding windows fall in early morning. Summer baits: a white tube jig (deep) or a magnum spoon on downrigger gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 10 to 40 ft | dawn & dusk | Casting spoon over shoals, Jerkbait (shallow) |
| Summer | 50 to 120 ft | dawn | White tube jig (deep), Magnum spoon on downrigger |
| Fall | 10 to 50 ft | dusk & dawn | Heavy casting spoon, Jigging rap over reefs |
| Winter | 20 to 80 ft | dawn | White tube jig, Airplane jig |
Northern Pike fishing at Lac Archambault
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. Plan around early morning and the evening in the warm months. 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 | 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 |
Smallmouth Bass fishing at Lac Archambault
Spring smallmouth bass on Lac Archambault hold shallow, usually 3 to 12 ft. They move out to 10 to 30 ft in summer and finish the year down in 20 to 45 ft. The spot to know is Rock reef, a rock pile in about 5 ft of water that rates prime for smallmouth bass in spring. Plan around early morning and the evening in the warm months. Tie on a drop shot (goby/minnow) or a ned rig and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 12 ft | dawn & dusk | Ned rig, Tube jig |
| Summer | 10 to 30 ft | dawn & dusk | Drop shot (goby/minnow), Ned rig |
| Fall | 8 to 25 ft | midday & dawn | Jerkbait, Blade bait |
| Winter | 20 to 45 ft | midday | Blade bait, Hair jig |
Notable structure
- Deep basin: deep basin, around 127 ft
- Deepest basin: deep basin, around 126 ft
- Break off the point: drop-off, around 123 ft
- Main-lake point: point, around 51 ft
- Shallow feeding flat: feeding flat, around 35 ft
- Shallow feeding flat: feeding flat, around 25 ft
- Old creek channel: creek channel, around 14 ft
- Secondary point: point, around 10 ft
- Shoreline point: point, around 9 ft
- Back-bay flat: weed flat, around 6 ft
- Marina / dock area: dock line, around 6 ft
- Rock reef: rock pile, around 5 ft
- Rock reef: rock pile, around 3 ft
- Shallow bay flat: weed flat, around 2 ft
Common questions
How deep is Lac Archambault?
Lac Archambault is about 129 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 Archambault?
Anglers target smallmouth bass, northern pike, lake trout on Lac Archambault.
Where is the best fishing spot on Lac Archambault?
Shallow bay flat is the top-rated area: a weed flat in about 2 ft of water that rates prime for northern pike in spring. Open the map above to see every rated spot for each species and season.
When is the best time to fish Lac Archambault?
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.
Nearby waters
Lac Beauchamp · Lac Tire · Lac du Pimbina · Lac Ouareau · Lac des Aulnes · Lac la Clef
See how Lac Archambault stacks up: best smallmouth bass lakes in Québec · best northern pike lakes in Québec · best lake trout 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.