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115-acre lake in Haliburton County, Ontario. The lake tops out around 59 ft. The depth data here comes from the Ontario MNRF survey of 1984 (a transect sounding survey). Here's the year, species by species, as the scoring engine sees it.
Drawn out, this is 115 acres of water rimmed by 3.1 miles of bank — one island included. The shoreline is moderately structured (index 2) — enough points and pockets to pattern. About 35% of the surface sits shallower than 15 ft — that's the weed-and-bait zone. Call it 1 mi long by 0.4 mi wide at the broadest reach. You'll find it in Haliburton County. For a second option, Klaxon Lake lies 1 mi north.
In spring, splake run shallow here, mostly 5 to 25 ft. Midsummer fish sit out in 18 to 59 ft before dropping to 10 to 45 ft for winter. Summer splake concentrate at Break off the point, a prime-rated drop-off around 32 ft. Fish it in early morning and the evening and you'll meet the bite. You won't need more than a trolled spoon at the thermocline or a white tube jig (deep) most summer days.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 5 to 25 ft | dawn & dusk | Main-lake point (14 ft) | Small casting spoon (gold/orange), Inline spinner |
| Summer | 18 to 59 ft | dawn & dusk | Break off the point (32 ft) | Trolled spoon at the thermocline, White tube jig (deep) |
| Fall | 10 to 35 ft | dawn & dusk | Main-lake point (14 ft) | Casting spoon, Jerkbait |
| Winter | 10 to 45 ft | dawn | Break off the point (32 ft) | Jigging spoon tipped with minnow head, Small white tube |
Come spring, look for yellow perch tight to the bank in 3 to 12 ft. They move out to 10 to 30 ft in summer and finish the year down in 15 to 35 ft. If you only fish one area, make it Shallow bay flat: a weed flat around 4 ft that scores prime in spring. Best bite is early morning. A drop-shot micro plastics or a small spoon tipped with worm is the honest summer answer here.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 12 ft | midday & dawn | Shallow bay flat (4 ft) | Small jig + curly tail, Perch-pattern micro crank |
| Summer | 10 to 30 ft | dawn | Break off the point (32 ft) | Drop-shot micro plastics, Small spoon tipped with worm |
| Fall | 12 to 35 ft | midday | Break off the point (32 ft) | Jigging spoon (small), Perch rig / spreader |
| Winter | 15 to 35 ft | midday & dawn | Break off the point (32 ft) | Tungsten jig + spikes, Rattle spoon (small) |
Early season pumpkinseed use the shallows, holding in 1 to 8 ft. Summer is a 2 to 10 ft game here, winter a 6 to 18 ft one. The chart's best answer is Shallow bay flat — weed flat, 4 ft, prime for spring. 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 | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 1 to 8 ft | midday & dusk | Shallow bay flat (4 ft) | Micro jig under a float, Tiny beetle-spin |
| Summer | 2 to 10 ft | dusk & dawn | Shallow bay flat (4 ft) | Micro tube, Sponge spider (fly) |
| Fall | 4 to 14 ft | dusk & dawn | Shallow bay flat (4 ft) | Micro jig + waxworm, Small spoon tipped |
| Winter | 6 to 18 ft | dawn | Shallow bay flat (4 ft) | Tungsten ice jig + plastic, Tiny spoon |
Count 6 structure marks on this chart. The deepest, Deep basin, sits near 58 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 Bat Lake specifically, so confirm the current rules before you fish.
Check the official Ontario fishing regulations →
Bat Lake is about 59 ft (18 m) deep at its deepest point. The depth data here comes from the Ontario MNRF survey of 1984 (a transect sounding survey).
Anglers target splake, yellow perch, pumpkinseed on Bat Lake.
Break off the point is the top-rated area: a drop-off in about 32 ft of water that rates prime for splake in summer. The map above holds the full rated-spot list for every species and season.
For splake, 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.
Fishing on Bat 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.
Klaxon Lake 1 mi · Lipsy Lake 2 mi · Little Cameron Lake 2 mi · Green Lake 3 mi · Burdock Lake 3 mi · Tedious Lake 3 mi · Pine Lake 3 mi · Bitter Lake 3 mi · Little Hawk Lake 4 mi · Cruiser Lake 4 mi · Blackcat Lake 4 mi · Maple Lake 4 mi
See how Bat Lake stacks up: best yellow perch lakes in Ontario · best splake lakes in Ontario · best pumpkinseed lakes in Ontario
More water nearby: Haliburton County fishing maps (295 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.