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Fishing Square Lake: what the data says
8-acre lake near Ontario. The lake tops out around 13 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.
Yellow Perch fishing at Square Lake
In spring, yellow perch run shallow here, mostly 3 to 12 ft. By summer they slide out to 4 to 13 ft, and by winter most fish are in 4 to 13 ft. Deep basin is the standout, a deep basin at roughly 11 ft, rated prime for fall yellow perch. In summer the feeding windows fall in early morning. 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 | 4 to 13 ft | dawn | Drop-shot micro plastics, Small spoon tipped with worm |
| Fall | 4 to 13 ft | midday | Jigging spoon (small), Perch rig / spreader |
| Winter | 4 to 13 ft | midday & dawn | Tungsten jig + spikes, Rattle spoon (small) |
Rock Bass fishing at Square Lake
Spring rock bass on Square Lake hold shallow, usually 2 to 10 ft. By summer they slide out to 3 to 13 ft, and by winter most fish are in 4 to 13 ft. Main-lake point is the standout, a point at roughly 8 ft, rated prime for summer rock bass. Plan around the evening in the warm months. A ned rig (small) or a marabou jig covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 10 ft | midday & dawn | 1/16 oz jig + grub, Small inline spinner |
| Summer | 3 to 13 ft | dusk | Ned rig (small), Marabou jig |
| Fall | 4 to 13 ft | midday | Small tube jig, Inline spinner |
| Winter | 4 to 13 ft | midday | Tungsten jig + plastic, Small spoon + spike |
Crappie fishing at Square Lake
Start shallow in spring: crappie sit in 2 to 8 ft that time of year. Summer pushes them deeper, 4 to 13 ft, and winter fish settle into 4 to 13 ft. The spot to know is Deep basin, a deep basin in about 11 ft of water that rates prime for crappie in winter. In summer the feeding windows fall in early morning and the evening. Tie on a jig trolled/spider-rigged or a small crankbait (trolled) and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | 1/16 oz jig + tube, Curly-tail grub |
| Summer | 4 to 13 ft | dawn & dusk | Jig trolled/spider-rigged, Small crankbait (trolled) |
| Fall | 4 to 13 ft | dawn | Jig + minnow combo, Small swimbait (1.5-2") |
| Winter | 4 to 13 ft | midday | Tungsten jig + soft plastic, Tiny jigging spoon |
Pumpkinseed fishing at Square Lake
In spring, pumpkinseed run shallow here, mostly 1 to 8 ft. Summer pushes them deeper, 2 to 10 ft, and winter fish settle into 4 to 13 ft. Deep basin is the standout, a deep basin at roughly 11 ft, rated prime for winter pumpkinseed. Best bite is the evening and early morning. Tie on a micro tube or a sponge spider (fly) and you're in the game.
| 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 13 ft | dusk & dawn | Micro jig + waxworm, Small spoon tipped |
| Winter | 4 to 13 ft | dawn | Tungsten ice jig + plastic, Tiny spoon |
Brown Bullhead fishing at Square Lake
Spring brown bullhead on Square Lake hold shallow, usually 2 to 8 ft. Summer pushes them deeper, 3 to 12 ft, and winter fish settle into 4 to 13 ft. Deep basin is the standout, a deep basin at roughly 11 ft, rated prime for winter brown bullhead. Best bite is after dark and the evening.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 8 ft | dusk & night | |
| Summer | 3 to 12 ft | night & dusk | |
| Fall | 4 to 13 ft | dusk | |
| Winter | 4 to 13 ft | midday |
Notable structure
- Deep basin: deep basin, around 11 ft
- Main-lake point: point, around 8 ft
- Break off the point: drop-off, around 6 ft
Common questions
How deep is Square Lake?
Square Lake is about 13 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 Square Lake?
Anglers target crappie, yellow perch, rock bass, pumpkinseed, brown bullhead on Square Lake.
Where is the best fishing spot on Square Lake?
Deep basin is the top-rated area: a deep basin in about 11 ft of water that rates prime for yellow perch in fall. Open the map above to see every rated spot for each species and season.
When is the best time to fish Square Lake?
For yellow perch, 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
Raby Lake · Green Bass L. · Northmore Lake · Shebeshekong Lake · Cole Lake · Carling L. K4
See how Square Lake stacks up: best crappie lakes in Ontario · best yellow perch lakes in Ontario · best rock bass lakes in Ontario · best pumpkinseed lakes in Ontario
Browse all Ontario fishing maps or every water on DepthScout. How we build these maps. For fishing guidance only, never navigation.