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22-acre lake in Parry Sound District, Ontario. The lake tops out around 33 ft. The depth data here comes from the Ontario MNRF survey of 1983 (a transect sounding survey). Species by species, here's what the data says the year looks like.
The outline encloses 22 acres, worked by 1.1 miles of shoreline. With a 1.6 development index there's bank structure worth casting at, in moderation. About 54% of the surface sits shallower than 15 ft — that's the weed-and-bait zone. Call it 0.4 mi long by 0.2 mi wide at the broadest reach. Parry Sound District claims this one. Its nearest charted neighbour, Lower Fry Lake, is 1 mi to the north.
Start shallow in spring: yellow perch sit in 3 to 12 ft that time of year. Summer pushes them deeper, 10 to 30 ft, and winter fish settle into 10 to 33 ft. The spot to know is Back-bay flat, a weed flat in about 7 ft of water that rates prime for yellow perch in spring. Warm-month bites cluster around early morning. Throw a drop-shot micro plastics or a small spoon tipped with worm until the fish tell you otherwise.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 12 ft | midday & dawn | Back-bay flat (7 ft) | Small jig + curly tail, Perch-pattern micro crank |
| Summer | 10 to 30 ft | dawn | Break off the point (29 ft) | Drop-shot micro plastics, Small spoon tipped with worm |
| Fall | 10 to 33 ft | midday | Deep basin (33 ft) | Jigging spoon (small), Perch rig / spreader |
| Winter | 10 to 33 ft | midday & dawn | Deep basin (33 ft) | Tungsten jig + spikes, Rattle spoon (small) |
When the water first warms, brown bullhead slide up into 2 to 8 ft. Summer is a 3 to 12 ft game here, winter a 10 to 25 ft one. Start at Shallow bay flat. It's a weed flat holding about 2 ft of water and rates prime come spring. The feeding windows run after dark and the evening.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 8 ft | dusk & night | Shallow bay flat (2 ft) | |
| Summer | 3 to 12 ft | night & dusk | Back-bay flat (7 ft) | |
| Fall | 5 to 15 ft | dusk | Back-bay flat (7 ft) | |
| Winter | 10 to 25 ft | midday | Deep basin (33 ft) |
Count 5 structure marks on this chart. The deepest, Deep basin, sits near 33 ft.
Season dates, license requirements, and size and bag limits for Ontario waters are set by the Ontario fishing regulations (FMZ summary) — and special regulations can apply to Day Lake specifically, so confirm the current rules before you fish.
Check the official Ontario fishing regulations →
Day Lake is about 33 ft (10 m) deep at its deepest point. The depth data here comes from the Ontario MNRF survey of 1983 (a transect sounding survey).
Anglers target yellow perch, brown bullhead on Day Lake.
Back-bay flat is the top-rated area: a weed flat in about 7 ft of water that rates prime for yellow perch in spring. The map above holds the full rated-spot list for every species and season.
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.
Fishing on Day Lake is regulated by the Ontario fishing regulations (FMZ summary). Check the official Ontario regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.
Lower Fry Lake 1 mi · Manitouwaba Lake 1 mi · Ten Mile Lake 2 mi · Upper Fry Lake 2 mi · Fume Lake 2 mi · Wilson Lake 3 mi · Ponsford Lake 3 mi · Little Manitouwaba Lake 3 mi · Horn Lake 3 mi · Good Lake 4 mi · Tub Lake 4 mi · Storm Lake 4 mi
See how Day Lake stacks up: best yellow perch lakes in Ontario · best brown bullhead lakes in Ontario
More water nearby: Parry Sound District fishing maps (441 charts). Browse all Ontario fishing maps or see every water on DepthScout. Bathymetry credit: state fisheries survey programs. How we build these maps. Fish here with a sonar unit that logs? Send us your depth data and we'll improve this chart, credited to you. For fishing guidance only, never navigation.