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Fishing Duff Lake: what the data says
87-acre lake near Ontario. The lake tops out around 34 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.
Brook Trout fishing at Duff Lake
In spring, brook trout run shallow here, mostly 2 to 15 ft. They move out to 10 to 30 ft in summer and finish the year down in 3 to 20 ft. If you only fish one area, make it Deep basin: a deep basin around 29 ft that scores prime in summer. Best bite is early morning and the evening. Summer baits: a small spoon fished deep or a trolled lake-clear wobbler + worm gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 15 ft | dawn & dusk | Small inline spinner (gold), Tiny spoon |
| Summer | 10 to 30 ft | dawn & dusk | Small spoon fished deep, Trolled lake-clear wobbler + worm |
| Fall | 2 to 15 ft | midday & dawn | Small spoon (orange), Spinner |
| Winter | 3 to 20 ft | dawn | Small jigging spoon, Tungsten jig + plastic |
Lake Whitefish fishing at Duff Lake
In spring, lake whitefish run shallow here, mostly 10 to 34 ft. Summer fish stay in 10 to 34 ft, and winter fish hold in 10 to 34 ft. If you only fish one area, make it Deep basin: a deep basin around 29 ft that scores prime in summer. Best bite is early morning. Summer baits: a blade bait vertical or a small jigging spoon gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 10 to 34 ft | midday & dawn | Small jig + waxworm, Blade bait (small) |
| Summer | 10 to 34 ft | dawn | Blade bait vertical, Small jigging spoon |
| Fall | 8 to 30 ft | dusk | Small spoon (gold), Jig + plastic larva |
| Winter | 10 to 34 ft | midday & dawn | Jigging spoon + bead chain, Tungsten jig + waxie |
Notable structure
- Deep basin: deep basin, around 29 ft
- Break off the point: drop-off, around 15 ft
- Main-lake point: point, around 9 ft
- Secondary point: point, around 9 ft
- Shallow bay flat: weed flat, around 4 ft
- Back-bay flat: weed flat, around 4 ft
Common questions
How deep is Duff Lake?
Duff Lake is about 34 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 Duff Lake?
Anglers target brook trout, lake whitefish on Duff Lake.
Where is the best fishing spot on Duff Lake?
Deep basin is the top-rated area: a deep basin in about 29 ft of water that rates prime for lake whitefish in summer. Open the map above to see every rated spot for each species and season.
When is the best time to fish Duff Lake?
For brook trout, the summer bite is best in early morning and the evening. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.
Nearby waters
Dee's Lake · Florence Lake · Chance Lake · Chalice Lake · Gamble Lake · Elissa Lake
See how Duff Lake stacks up: best brook 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.