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Fishing Blackfish Lake: what the data says
530-acre lake near Ontario. The lake tops out around 111 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. What follows comes from the same scoring engine that paints the spots above.
Lake Trout fishing at Blackfish Lake
In spring, lake trout run shallow here, mostly 10 to 40 ft. Summer pushes them deeper, 33 to 111 ft, and winter fish settle into 20 to 80 ft. Deep basin is the standout, a deep basin at roughly 94 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 | 33 to 111 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 |
Burbot fishing at Blackfish Lake
Start shallow in spring: burbot sit in 25 to 70 ft that time of year. Summer pushes them deeper, 33 to 111 ft, and winter fish settle into 15 to 60 ft. The spot to know is Deep basin, a deep basin in about 94 ft of water that rates prime for burbot in summer. In summer the feeding windows fall in after dark and midday. Summer baits: a heavy jig + cut bait gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 25 to 70 ft | night & dusk | Glow jigging spoon + cut bait, Rattle bait (dark) |
| Summer | 33 to 111 ft | night & midday | Heavy jig + cut bait |
| Fall | 30 to 80 ft | night & dusk | Glow spoon + minnow head, Blade bait (slow) |
| Winter | 15 to 60 ft | night & dusk | Glow tungsten + cut bait, Rattle spoon + minnow head |
Notable structure
- Deep basin: deep basin, around 94 ft
- Break off the point: drop-off, around 50 ft
- Main-lake point: point, around 28 ft
- Secondary point: point, around 28 ft
- Shallow bay flat: weed flat, around 6 ft
- Back-bay flat: weed flat, around 6 ft
Common questions
How deep is Blackfish Lake?
Blackfish Lake is about 111 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 Blackfish Lake?
Anglers target lake trout, burbot on Blackfish Lake.
Where is the best fishing spot on Blackfish Lake?
Deep basin is the top-rated area: a deep basin in about 94 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 Blackfish 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
Ballard Lake · Carry Lake · Haf L. · Dog Lake · Pickle Lake · Ogasiwi Lake
See how Blackfish Lake stacks up: best lake trout lakes in Ontario · best burbot lakes in Ontario
Browse all Ontario fishing maps or every water on DepthScout. How we build these maps. For fishing guidance only, never navigation.