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Fishing Big Trout Lake: what the data says
201-acre lake near Ontario. The lake tops out around 86 ft. The contours are modeled from the water's real shoreline and maximum depth. Treat them as a rough guide, and never use them for navigation. Below is the species-by-species picture, pulled from the same data the map uses.
Lake Trout fishing at Big Trout Lake
In spring, lake trout run shallow here, mostly 10 to 40 ft. Summer pushes them deeper, 26 to 86 ft, and winter fish settle into 20 to 80 ft. Deep basin is the standout, a deep basin at roughly 73 ft, rated prime for summer lake trout. Best bite is early morning. Tie on a white tube jig (deep) or a magnum spoon on downrigger and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 10 to 40 ft | dawn & dusk | Casting spoon over shoals, Jerkbait (shallow) |
| Summer | 26 to 86 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 |
Lake Whitefish fishing at Big Trout Lake
In spring, lake whitefish run shallow here, mostly 15 to 45 ft. By summer they slide out to 26 to 86 ft, and by winter most fish are in 25 to 70 ft. The spot to know is Deep basin, a deep basin in about 73 ft of water that rates prime for lake whitefish in summer. Best bite is early morning. A blade bait vertical or a small jigging spoon covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 15 to 45 ft | midday & dawn | Small jig + waxworm, Blade bait (small) |
| Summer | 26 to 86 ft | dawn | Blade bait vertical, Small jigging spoon |
| Fall | 8 to 30 ft | dusk | Small spoon (gold), Jig + plastic larva |
| Winter | 25 to 70 ft | midday & dawn | Jigging spoon + bead chain, Tungsten jig + waxie |
Cisco (Lake Herring) fishing at Big Trout Lake
Start shallow in spring: cisco (lake herring) sit in 10 to 40 ft that time of year. They move out to 40 to 80 ft in summer and finish the year down in 20 to 60 ft. If you only fish one area, make it Deep basin: a deep basin around 73 ft that scores prime in summer. Best bite is early morning. A vertical flutter spoon (small) or a drop-shot micro plastic covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 10 to 40 ft | dawn & dusk | Small silver spoon, Tiny swim jig (white) |
| Summer | 40 to 80 ft | dawn | Vertical flutter spoon (small), Drop-shot micro plastic |
| Fall | 5 to 25 ft | dusk & dawn | Small casting spoon, Inline spinner (silver) |
| Winter | 20 to 60 ft | dawn | Small jigging spoon (glow/silver), Tungsten jig + minnow head |
Rock Bass fishing at Big Trout Lake
In spring, rock bass run shallow here, mostly 2 to 10 ft. They move out to 5 to 20 ft in summer and finish the year down in 12 to 30 ft. Main-lake point is the standout, a point at roughly 22 ft, rated prime for fall rock bass. In summer the feeding windows fall in the evening. Summer baits: a ned rig (small) or a marabou jig gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 10 ft | midday & dawn | 1/16 oz jig + grub, Small inline spinner |
| Summer | 5 to 20 ft | dusk | Ned rig (small), Marabou jig |
| Fall | 8 to 22 ft | midday | Small tube jig, Inline spinner |
| Winter | 12 to 30 ft | midday | Tungsten jig + plastic, Small spoon + spike |
Notable structure
- Deep basin: deep basin, around 73 ft
- Break off the point: drop-off, around 39 ft
- Main-lake point: point, around 22 ft
- Secondary point: point, around 22 ft
- Shallow bay flat: weed flat, around 6 ft
- Back-bay flat: weed flat, around 6 ft
Common questions
How deep is Big Trout Lake?
Big Trout Lake is about 86 ft at its deepest point. The contours here are modeled from the water's real shape and maximum depth, so treat them as a rough guide.
What fish are in Big Trout Lake?
Anglers target lake trout, lake whitefish, rock bass, cisco (lake herring) on Big Trout Lake.
Where is the best fishing spot on Big Trout Lake?
Deep basin is the top-rated area: a deep basin in about 73 ft of water that rates prime for lake trout in summer. Open the map above to see every rated spot for each species and season.
When is the best time to fish Big Trout Lake?
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
Stong Lake · Little Trout Lake · Hanna Lake · Larocque Lake · McKiggan Lake · Beishlag Lake
See how Big Trout Lake stacks up: best lake trout lakes in Ontario · best lake whitefish lakes in Ontario · best rock bass lakes in Ontario · best cisco (lake herring) lakes in Ontario
Browse all Ontario fishing maps or every water on DepthScout. How we build these maps. For fishing guidance only, never navigation.