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Fishing Kumska Lake: what the data says
350-acre lake near Ontario. The lake tops out around 93 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.
Brook Trout fishing at Kumska 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 Shallow bay flat: a weed flat around 6 ft that scores good in spring. 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 Trout fishing at Kumska Lake
Start shallow in spring: lake trout sit in 10 to 40 ft that time of year. Summer pushes them deeper, 28 to 93 ft, and winter fish settle into 20 to 80 ft. If you only fish one area, make it Deep basin: a deep basin around 79 ft that scores prime in summer. Best bite is early morning. A white tube jig (deep) or a magnum spoon on downrigger covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 10 to 40 ft | dawn & dusk | Casting spoon over shoals, Jerkbait (shallow) |
| Summer | 28 to 93 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 |
Notable structure
- Deep basin: deep basin, around 79 ft
- Break off the point: drop-off, around 42 ft
- Main-lake point: point, around 23 ft
- Secondary point: point, around 23 ft
- Shallow bay flat: weed flat, around 6 ft
- Back-bay flat: weed flat, around 6 ft
Common questions
How deep is Kumska Lake?
Kumska Lake is about 93 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 Kumska Lake?
Anglers target lake trout, brook trout on Kumska Lake.
Where is the best fishing spot on Kumska Lake?
Deep basin is the top-rated area: a deep basin in about 79 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 Kumska 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
Ironside Lake · Hutton Lake · Bigwood Lake · Tank Lake · Joe Lake · Nelson Lake
See how Kumska Lake stacks up: best lake trout lakes in Ontario · best brook trout lakes in Ontario
Browse all Ontario fishing maps or every water on DepthScout. How we build these maps. For fishing guidance only, never navigation.