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Fishing Upper Twin L.: what the data says
45-acre lake near Ontario. The lake tops out around 36 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 Upper Twin L.
In spring, lake trout run shallow here, mostly 9 to 36 ft. Summer fish stay in 11 to 36 ft, and winter fish hold in 9 to 36 ft. If you only fish one area, make it Deep basin: a deep basin around 31 ft that scores prime in summer. Best bite is 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 | 9 to 36 ft | dawn & dusk | Casting spoon over shoals, Jerkbait (shallow) |
| Summer | 11 to 36 ft | dawn | White tube jig (deep), Magnum spoon on downrigger |
| Fall | 7 to 36 ft | dusk & dawn | Heavy casting spoon, Jigging rap over reefs |
| Winter | 9 to 36 ft | dawn | White tube jig, Airplane jig |
Lake Whitefish fishing at Upper Twin L.
In spring, lake whitefish run shallow here, mostly 11 to 36 ft. Summer fish stay in 11 to 36 ft, and winter fish hold in 11 to 36 ft. Deep basin is the standout, a deep basin at roughly 31 ft, rated prime for summer lake whitefish. Plan around early morning in the warm months. Tie on a blade bait vertical or a small jigging spoon and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 11 to 36 ft | midday & dawn | Small jig + waxworm, Blade bait (small) |
| Summer | 11 to 36 ft | dawn | Blade bait vertical, Small jigging spoon |
| Fall | 8 to 30 ft | dusk | Small spoon (gold), Jig + plastic larva |
| Winter | 11 to 36 ft | midday & dawn | Jigging spoon + bead chain, Tungsten jig + waxie |
Notable structure
- Deep basin: deep basin, around 31 ft
- Break off the point: drop-off, around 16 ft
- Main-lake point: point, around 9 ft
- Secondary point: point, around 9 ft
- Shallow bay flat: weed flat, around 4 ft
Common questions
How deep is Upper Twin L.?
Upper Twin L. is about 36 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 Upper Twin L.?
Anglers target lake trout, lake whitefish on Upper Twin L..
Where is the best fishing spot on Upper Twin L.?
Deep basin is the top-rated area: a deep basin in about 31 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 Upper Twin L.?
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
Mystery Lake · Gavor Lake · Friendly Lake · Island Lake · Anvil Lake · McIlveen L. 19
See how Upper Twin L. 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.