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Fishing Tremblay Lake: what the data says
83-acre lake near Ontario. The lake tops out around 43 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. Here is how the season plays out for each species, straight from the data behind the map.
Lake Trout fishing at Tremblay Lake
In spring, lake trout run shallow here, mostly 10 to 40 ft. Summer pushes them deeper, 13 to 43 ft, and winter fish settle into 11 to 43 ft. The spot to know is Deep basin, a deep basin in about 37 ft of water that rates prime for lake trout in summer. In summer the feeding windows fall in 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 | 13 to 43 ft | dawn | White tube jig (deep), Magnum spoon on downrigger |
| Fall | 9 to 43 ft | dusk & dawn | Heavy casting spoon, Jigging rap over reefs |
| Winter | 11 to 43 ft | dawn | White tube jig, Airplane jig |
Lake Whitefish fishing at Tremblay Lake
Spring lake whitefish on Tremblay Lake hold shallow, usually 13 to 43 ft. Summer fish stay in 13 to 43 ft, and winter fish hold in 13 to 43 ft. Deep basin is the standout, a deep basin at roughly 37 ft, rated prime for summer lake whitefish. Plan around early morning in the warm months. A blade bait vertical or a small jigging spoon covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 13 to 43 ft | midday & dawn | Small jig + waxworm, Blade bait (small) |
| Summer | 13 to 43 ft | dawn | Blade bait vertical, Small jigging spoon |
| Fall | 8 to 30 ft | dusk | Small spoon (gold), Jig + plastic larva |
| Winter | 13 to 43 ft | midday & dawn | Jigging spoon + bead chain, Tungsten jig + waxie |
Notable structure
- Deep basin: deep basin, around 37 ft
- Break off the point: drop-off, around 19 ft
- Main-lake point: point, around 11 ft
- Secondary point: point, around 11 ft
- Shallow bay flat: weed flat, around 5 ft
- Back-bay flat: weed flat, around 5 ft
Common questions
How deep is Tremblay Lake?
Tremblay Lake is about 43 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 Tremblay Lake?
Anglers target lake trout, lake whitefish on Tremblay Lake.
Where is the best fishing spot on Tremblay Lake?
Deep basin is the top-rated area: a deep basin in about 37 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 Tremblay 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
Campbell Lake · Timber Lake · Crocan Lake · Butler L. 697 · Langevin Lake · Ring Lake
See how Tremblay Lake stacks up: best lake trout lakes in Ontario · best lake whitefish lakes in Ontario
Browse all Ontario fishing maps or every water on DepthScout. How we build these maps. For fishing guidance only, never navigation.