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Fishing Oneside Lake: what the data says
2,319-acre lake near Ontario. The lake tops out around 13 ft. The depth chart is built from real state fisheries GPS surveys, so the humps, channels and drop-offs you see are measured, not guessed. Below is the species-by-species picture, pulled from the same data the map uses.
Walleye fishing at Oneside Lake
Spring walleye on Oneside Lake hold shallow, usually 3 to 13 ft. Summer fish stay in 4 to 13 ft, and winter fish hold in 4 to 13 ft. If you only fish one area, make it Break off the point: a drop-off around 7 ft that scores prime in fall. Best bite is the evening and early morning. Summer baits: a crawler harness on bottom bouncer or a deep crankbait (trolled) gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 13 ft | dusk & dawn | 1/8 oz jig + minnow, Hair jig |
| Summer | 4 to 13 ft | dusk & dawn | Crawler harness on bottom bouncer, Deep crankbait (trolled) |
| Fall | 4 to 13 ft | dusk & night | Jigging rap, Jig + big minnow |
| Winter | 4 to 13 ft | dusk & dawn | Jigging spoon + minnow head, Rattle bait |
Northern Pike fishing at Oneside Lake
Start shallow in spring: northern pike sit in 2 to 8 ft that time of year. They move out to 4 to 13 ft in summer and finish the year down in 4 to 13 ft. Shallow bay flat is the standout, a weed flat at roughly 2 ft, rated prime for spring northern pike. Plan around early morning and the evening in the warm months. Tie on a bucktail or a weedless spoon over cabbage and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | #5 inline spinner, Spoon (red/white) |
| Summer | 4 to 13 ft | dawn & dusk | Bucktail, Weedless spoon over cabbage |
| Fall | 4 to 13 ft | midday & dawn | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Winter | 4 to 13 ft | midday | Tip-ups, Large jigging spoon |
Yellow Perch fishing at Oneside Lake
Spring yellow perch on Oneside Lake hold shallow, usually 3 to 12 ft. They move out to 4 to 13 ft in summer and finish the year down in 4 to 13 ft. If you only fish one area, make it Deep basin: a deep basin around 13 ft that scores prime in fall. In summer the feeding windows fall in early morning. A drop-shot micro plastics or a small spoon tipped with worm covers the summer program.
| 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) |
Smallmouth Bass fishing at Oneside Lake
Spring smallmouth bass on Oneside Lake hold shallow, usually 3 to 12 ft. They move out to 4 to 13 ft in summer and finish the year down in 4 to 13 ft. The spot to know is Break off the point, a drop-off in about 7 ft of water that rates prime for smallmouth bass in winter. Plan around early morning and the evening in the warm months. Summer baits: a drop shot (goby/minnow) or a ned rig gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 12 ft | dawn & dusk | Ned rig, Tube jig |
| Summer | 4 to 13 ft | dawn & dusk | Drop shot (goby/minnow), Ned rig |
| Fall | 4 to 13 ft | midday & dawn | Jerkbait, Blade bait |
| Winter | 4 to 13 ft | midday | Blade bait, Hair jig |
Notable structure
- Deep basin: deep basin, around 13 ft
- Break off the point: drop-off, around 7 ft
- Main-lake point: point, around 2 ft
- Secondary point: point, around 2 ft
- Shallow bay flat: weed flat, around 2 ft
- Back-bay flat: weed flat, around 2 ft
Common questions
How deep is Oneside Lake?
Oneside Lake is about 13 ft at its deepest point. The depth chart here comes from real state fisheries GPS surveys, so the contours reflect measured depths.
What fish are in Oneside Lake?
Anglers target smallmouth bass, walleye, northern pike, yellow perch on Oneside Lake.
Where is the best fishing spot on Oneside Lake?
Break off the point is the top-rated area: a drop-off in about 7 ft of water that rates prime for walleye in fall. Open the map above to see every rated spot for each species and season.
When is the best time to fish Oneside Lake?
For walleye, the summer bite is best in the evening and 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
Kenozhe Lake · Opikeigen Lake · Armatta Lake · Kemp Lake · Triangular Lake · Keezhik Lake
See how Oneside Lake stacks up: best smallmouth bass lakes in Ontario · best walleye lakes in Ontario · best northern pike lakes in Ontario · best yellow perch lakes in Ontario
Browse all Ontario fishing maps or every water on DepthScout. Bathymetry credit: state fisheries survey programs. How we build these maps. For fishing guidance only, never navigation.