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Fishing Kathlyn Lake: what the data says
64-acre lake near Ontario. The lake tops out around 59 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 Kathlyn Lake
Spring brook trout on Kathlyn Lake hold shallow, usually 2 to 15 ft. Summer pushes them deeper, 10 to 30 ft, and winter fish settle into 3 to 20 ft. If you only fish one area, make it Break off the point: a drop-off around 27 ft that scores prime in summer. Best bite is early morning and the evening. A small spoon fished deep or a trolled lake-clear wobbler + worm covers the summer program.
| 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 Kathlyn Lake
Start shallow in spring: lake trout sit in 10 to 40 ft that time of year. By summer they slide out to 18 to 59 ft, and by winter most fish are in 15 to 59 ft. If you only fish one area, make it Deep basin: a deep basin around 50 ft that scores prime in summer. 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 | 18 to 59 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 | 15 to 59 ft | dawn | White tube jig, Airplane jig |
Arctic Char fishing at Kathlyn Lake
In spring, arctic char run shallow here, mostly 4 to 15 ft. By summer they slide out to 18 to 59 ft, and by winter most fish are in 10 to 40 ft. Deep basin is the standout, a deep basin at roughly 50 ft, rated prime for summer arctic char. In summer the feeding windows fall in early morning. Summer baits: a jigging spoon vertical or a tube jig (smelt) gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 4 to 15 ft | midday & dawn | Small casting spoon (silver/orange), Jerkbait (small) |
| Summer | 18 to 59 ft | dawn | Jigging spoon vertical, Tube jig (smelt) |
| Fall | 8 to 30 ft | midday & dusk | Casting spoon (orange/gold), Beadhead streamer |
| Winter | 10 to 40 ft | midday & dawn | Jigging spoon (glow/silver), Tungsten jig + plastic |
Yellow Perch fishing at Kathlyn Lake
Spring yellow perch on Kathlyn Lake hold shallow, usually 3 to 12 ft. They move out to 10 to 30 ft in summer and finish the year down in 15 to 35 ft. The spot to know is Shallow bay flat, a weed flat in about 6 ft of water that rates prime for yellow perch in spring. Plan around early morning in the warm months. Summer baits: a drop-shot micro plastics or a small spoon tipped with worm gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 12 ft | midday & dawn | Small jig + curly tail, Perch-pattern micro crank |
| Summer | 10 to 30 ft | dawn | Drop-shot micro plastics, Small spoon tipped with worm |
| Fall | 12 to 35 ft | midday | Jigging spoon (small), Perch rig / spreader |
| Winter | 15 to 35 ft | midday & dawn | Tungsten jig + spikes, Rattle spoon (small) |
Pumpkinseed fishing at Kathlyn Lake
Spring pumpkinseed on Kathlyn Lake hold shallow, usually 1 to 8 ft. By summer they slide out to 2 to 10 ft, and by winter most fish are in 6 to 18 ft. The spot to know is Shallow bay flat, a weed flat in about 6 ft of water that rates prime for pumpkinseed in spring. Best bite is the evening and early morning. A micro tube or a sponge spider (fly) covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 1 to 8 ft | midday & dusk | Micro jig under a float, Tiny beetle-spin |
| Summer | 2 to 10 ft | dusk & dawn | Micro tube, Sponge spider (fly) |
| Fall | 4 to 14 ft | dusk & dawn | Micro jig + waxworm, Small spoon tipped |
| Winter | 6 to 18 ft | dawn | Tungsten ice jig + plastic, Tiny spoon |
Brown Bullhead fishing at Kathlyn Lake
Start shallow in spring: brown bullhead sit in 2 to 8 ft that time of year. Summer pushes them deeper, 3 to 12 ft, and winter fish settle into 10 to 25 ft. Shallow bay flat is the standout, a weed flat at roughly 6 ft, rated prime for spring brown bullhead. Plan around after dark and the evening in the warm months.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 8 ft | dusk & night | |
| Summer | 3 to 12 ft | night & dusk | |
| Fall | 5 to 15 ft | dusk | |
| Winter | 10 to 25 ft | midday |
Notable structure
- Deep basin: deep basin, around 50 ft
- Break off the point: drop-off, around 27 ft
- Main-lake point: point, around 15 ft
- Shallow bay flat: weed flat, around 6 ft
- Back-bay flat: weed flat, around 6 ft
Common questions
How deep is Kathlyn Lake?
Kathlyn Lake is about 59 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 Kathlyn Lake?
Anglers target yellow perch, lake trout, brook trout, arctic char, pumpkinseed, brown bullhead on Kathlyn Lake.
Where is the best fishing spot on Kathlyn Lake?
Deep basin is the top-rated area: a deep basin in about 50 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 Kathlyn 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
Sasajewun Lake · NL · Mew Lake · Grant Lake · Iris Lake · Canisbay Lake
See how Kathlyn Lake stacks up: best yellow perch lakes in Ontario · best lake trout lakes in Ontario · best brook trout lakes in Ontario · best pumpkinseed lakes in Ontario
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