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Shared by DepthScout anglers. Exact spots stay private, always.
28-acre lake in Haliburton County, Ontario. The lake tops out around 23 ft. What you see is a modeled chart: the shoreline is real, the max depth is published, and the contours between are estimated. Plan with it; don't navigate by it. Here's the year, species by species, as the scoring engine sees it.
On the chart, Mildred Lake draws 28 acres inside 1.1 miles of shoreline. Nearly circular (index 1.4), so the story is the bottom, not the bank. Littoral water — the productive band under ~15 ft — makes up 70% of this chart, as modeled. Figure 0.4 mi of water from one end to the other, 0.2 mi at the beam. You'll find it in Haliburton County. For a second option, Lake Louisa lies 2 mi west.
In spring, brook trout run shallow here, mostly 2 to 15 ft. Summer pushes them deeper, 7 to 23 ft, and winter fish settle into 3 to 20 ft. Deep basin is the standout, a deep basin at roughly 20 ft, rated prime for summer brook trout. Time it for early morning and the evening. You won't need more than a small spoon fished deep or a trolled lake-clear wobbler + worm most summer days.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 15 ft | dawn & dusk | Main-lake point (8 ft) | Small inline spinner (gold), Tiny spoon |
| Summer | 7 to 23 ft | dawn & dusk | Deep basin (20 ft) | Small spoon fished deep, Trolled lake-clear wobbler + worm |
| Fall | 2 to 15 ft | midday & dawn | Main-lake point (8 ft) | Small spoon (orange), Spinner |
| Winter | 3 to 20 ft | dawn | Deep basin (20 ft) | Small jigging spoon, Tungsten jig + plastic |
The chart marks 4 structure features on Mildred Lake; the deepest is Deep basin at about 20 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 Mildred Lake specifically, so confirm the current rules before you fish.
Check the official Ontario fishing regulations →
Mildred Lake is about 23 ft (7 m) deep at its deepest point. The contours here are modeled from the water's real shape and maximum depth, so treat them as a rough guide.
Anglers target brook trout on Mildred Lake.
Deep basin is the top-rated area: a deep basin in about 20 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 Mildred 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.
Lake Louisa 2 mi · Frank Lake 2 mi · Rod and Gun Lake 3 mi · Harry Lake 3 mi · North Grace Lake 3 mi · Stringer Lake 3 mi · Rence Lake 3 mi · Lawrence Lake 3 mi · Welcome Lake 4 mi · Harness Lake 4 mi · Phipps Lake 5 mi · McGarvey Lake 5 mi
See how Mildred Lake stacks up: best brook trout lakes in Ontario
More water nearby: Haliburton County fishing maps (295 charts). Browse all Ontario fishing maps or see every water on DepthScout. 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.