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74-acre lake in Nipissing District, Ontario. The lake tops out around 49 ft. The depth data here comes from the Ontario MNRF survey of 1960, a decades-old survey (a transect sounding survey). Species by species, here's what the data says the year looks like.
When the water first warms, brook trout slide up into 2 to 15 ft. By summer they slide out to 10 to 30 ft, and by winter most fish are in 3 to 20 ft. If you only fish one area, make it Break off the point: a drop-off around 10 ft that scores prime in summer. In summer the feeding windows fall in early morning and the evening. Keep a small spoon fished deep or a trolled lake-clear wobbler + worm rigged through the warm months.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 15 ft | dawn & dusk | Main-lake point (1 ft) | Small inline spinner (gold), Tiny spoon |
| Summer | 10 to 30 ft | dawn & dusk | Break off the point (10 ft) | Small spoon fished deep, Trolled lake-clear wobbler + worm |
| Fall | 2 to 15 ft | midday & dawn | Main-lake point (1 ft) | Small spoon (orange), Spinner |
| Winter | 3 to 20 ft | dawn | Break off the point (10 ft) | Small jigging spoon, Tungsten jig + plastic |
6 pieces of structure are mapped here — Deep basin, around 49 ft, is the deepest of them.
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 Alexander Lake specifically, so confirm the current rules before you fish.
Check the official Ontario fishing regulations →
Alexander Lake is about 49 ft (15 m) deep at its deepest point. The depth data here comes from the Ontario MNRF survey of 1960, a decades-old survey (a transect sounding survey).
Anglers target brook trout on Alexander Lake.
Break off the point is the top-rated area: a drop-off in about 10 ft of water that rates prime for brook trout in summer. Every other rated spot, per species and season, is on the map above.
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 Alexander 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.
Turcotte Ponds 1 mi · Crooked Lake 1 mi · Put and Take L. 1 mi · Alexis Lake 1 mi · Clear Lake 1 mi · Harrington Lake 2 mi · Montreuil Lake 3 mi · Ducharme Lake 3 mi · Parks Lake 4 mi · Crocan Lake 5 mi · Tower Lake 5 mi · Campbell Lake 5 mi
See how Alexander Lake stacks up: best brook trout lakes in Ontario
More water nearby: Nipissing District fishing maps (683 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.