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184-acre lake in Algoma District, Ontario. The lake tops out around 90 ft. The depth data here comes from the Ontario MNRF survey of 1972, a decades-old survey (a transect sounding survey). Species by species, here's what the data says the year looks like.
The drawn water covers 185 acres wrapped in 6 miles of bank, with 4 islands in the mix. A development index of 3.1 means a maze of bays and points: far more casting targets than a round bowl of the same size. Roughly 21% of the water is 15 ft or less, the band where the food chain lives. Figure 2.2 mi of water from one end to the other, 0.3 mi at the beam. It sits in Algoma District. If the bite dies, Rioux Lake 35 is 0 mi to the northeast.
Come spring, look for brook trout tight to the bank in 2 to 15 ft. Expect a summer slide to 10 to 30 ft, then a winter hold in 3 to 20 ft. Start at Shallow bay flat. It's a weed flat holding about 5 ft of water and rates good come spring. Prime time lands in early morning and the evening. A small spoon fished deep or a trolled lake-clear wobbler + worm is the honest summer answer here.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 15 ft | dawn & dusk | Shallow bay flat (5 ft) | Small inline spinner (gold), Tiny spoon |
| Summer | 10 to 30 ft | dawn & dusk | open water | Small spoon fished deep, Trolled lake-clear wobbler + worm |
| Fall | 2 to 15 ft | midday & dawn | open water | Small spoon (orange), Spinner |
| Winter | 3 to 20 ft | dawn | Shallow bay flat (5 ft) | Small jigging spoon, Tungsten jig + plastic |
Izaak Lake carries 6 mapped structure features, topping out (or rather bottoming out) at Deep basin, about 89 ft down.
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 Izaak Lake specifically, so confirm the current rules before you fish.
Check the official Ontario fishing regulations →
Izaak Lake is about 90 ft (27 m) deep at its deepest point. The depth data here comes from the Ontario MNRF survey of 1972, a decades-old survey (a transect sounding survey).
Anglers target brook trout on Izaak Lake.
Shallow bay flat is the top-rated area: a weed flat in about 5 ft of water that rates good for brook trout in spring. The interactive chart above rates every spot for each species and season.
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.
Fishing on Izaak 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.
Rioux Lake 35 0 mi · Rioux L. 36 1 mi · Upper Grindstone Lake 2 mi · Sturgeon L. 27 2 mi · Rioux Lake 16 2 mi · Grindstone Lake 2 mi · Rioux Lake 28 3 mi · Rioux Lake 10 3 mi · Sturgeon Lake 33 4 mi · Seymour Lake 4 mi · Wye Lake 5 mi · Barr Lake 5 mi
See how Izaak Lake stacks up: best brook trout lakes in Ontario
More water nearby: Algoma District fishing maps (1026 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.